Herbs & Botanicals · Chinese herb for dry cough
Chinese Asparagus Root
Asparagus cochinchinensis · also called Tian men dong, tian dong, tenmondo, Chinese asparagus, asparagus root
Chinese asparagus root, or tian men dong, is a root used in Chinese medicine for dry cough and dryness. Studies so far are in mice and cells, and no human trial was found. In animals it may affect liver enzymes that clear medicines, so ask a doctor or pharmacist before using it. It is not shatavari, which is a different plant.
General information, not medical advice. Last substantive update · Not medically reviewed. A named clinician has not signed off on this page. How this page is made
About Chinese Asparagus Root
Tian men dong is the processed root of Asparagus cochinchinensis, used in Chinese medicine for dry cough. Human evidence is missing; the main cautions are medicine interactions, no safety data in pregnancy or breastfeeding, and mix-ups with other asparagus roots.
Safety first
Pregnancy and breastfeeding: no information was found. Avoid unless a doctor who knows the herb says otherwise.
Medicines: in animals the herb switched on the liver enzymes CYP2E1 and CYP1A2, which clear many medicines. Memorial Sloan Kettering advises caution with such drugs. Whether this happens in people is not known.
Diabetes medicines: a water extract improved sugar handling in mice, so extra effect is possible but untested. Ask a doctor or pharmacist.
Water pills and fluids: no source we read documents a diuretic effect, and this could not be verified. Ask a doctor or pharmacist if you take water pills or have kidney problems.
Allergy: if you react to asparagus or its family, avoid it. No allergy report for this root was found.
Hormone-sensitive conditions: no data on hormone effects were found, so ask your specialist first.
Traditional caution: Chinese medicine practitioners commonly advise against moist tonic roots when digestion is weak with loose stools. We could not verify this in a source we read.
Get urgent help for rash, swelling or trouble breathing, yellow skin or eyes, or a cough with blood or breathlessness.
Which plant? Not shatavari
Tian men dong is Asparagus cochinchinensis. Shatavari is Asparagus racemosus, a different species used in Ayurveda. Studies and cautions for one do not automatically apply to the other.
The processed root is also reported to be mixed with roots of nine related Asparagus species, so labels matter.
What the research shows
In mice with induced asthma, a saponin-enriched extract and a fermented extract lowered airway inflammation. In mice with lung injury, sugar chains from the root eased damage.
A water extract reduced weight gain and improved sugar handling in obese mice, and a saponin extract increased stool number in constipated rats.
A 14-day mouse study found no liver or kidney harm at the amounts tested. That says little about people.
No human trial of the root was found. Lab and animal results do not show it works for people.
At a glance
Traditional uses history, not proof
- Dry cough and airway complaints
- Constipation and stomachache
- Fever, tracheitis and rhinitis
Studied for research
- Asthma-type airway inflammation (mice): insufficient for people
- Weight and blood fats (mice): insufficient
- Constipation (rats): insufficient
Main compounds
- Steroidal saponins (such as methylprotodioscin)
- Oligosaccharides
- Amino acids
Common forms
- Dried processed root
- Decoction (boiled)
- Saponin and other extracts (animal studies)
Research links: Wang 2022: review of the plant (PubMed) · Sung 2017: saponin extract in asthma-model mice (PubMed) · Ma 2024: oligosaccharides and lung injury in mice (PubMed) · Luo 2022: obese mice (PubMed) · Memorial Sloan Kettering herb monograph · Research Library · Genes & Biomarkers Library
The plant and its history
- Accepted scientific name
- Asparagus cochinchinensis (Lour.) Merr.
- Naming authority
- GBIF species match, read 2026-10-25: ACCEPTED species, key 2768772.
- Common names
- Chinese asparagus (English); Tian men dong (Chinese (pinyin)); Tian dong (Chinese (pinyin)); Tenmondo (Japanese); Asparagus root (English); Asparagi Radix (Pharmaceutical Latin)
- Botanical family
- Asparagaceae (asparagus family), per GBIF. Older books place the genus in the lily family (Liliaceae); this was not checked.
- Classification
- Plantae > Asparagaceae > Asparagus > Asparagus cochinchinensis
- Native range
- The 2022 review lists China, Japan, Korea and Vietnam; not independently verified.
- Habitat
- Not verified.
- What the plant looks like
- Roots: The tuberous root is the medicinal part; per the 2022 review it is boiled, peeled, cored and dried.; Stems: Not verified.; Leaves: Not verified.; Flowers: Not verified.; Fruit: Not verified.
- Cultivation
- Not covered.
- Harvest and processing
- Processed tuberous roots (Asparagi Radix) are used; processing detail comes from the 2022 review and was not re-read in full.
- Look-alikes and adulterants
- Name: Asparagus racemosus (shatavari); Note: A different species used in Ayurveda. Its evidence and cautions do not transfer to this root.; Name: Nine other Asparagus species; Note: Their processed roots are reported adulterants of Asparagi Radix (2025 DNA study).
- Sustainability and conservation
- Not covered.
Traditional use and history history, not clinical proof
| Tradition or era | Documented use | Source |
|---|---|---|
| Traditional Chinese Medicine and East Asian folk medicine | Listed in a 2022 review for constipation, fever, pneumonia, stomachache, tracheitis, rhinitis, cataract, acne and urticaria. Memorial Sloan Kettering describes it as a tonic and expectorant. The 'yin-nourishing, dry-cough' framing common in practitioner texts was NOT verified in a source we read. | p36532772 |
Traditional use shows how a plant was used. It does not show that a supplement works or is safe today.
What is inside, and how it may work
What the plant contains and how those compounds act in cells and animals. Laboratory and animal mechanisms are not proven effects in people.
Main compounds
| Compound | Family | Where it is concentrated | Activity studied | Level of evidence |
|---|---|---|---|---|
| Steroidal saponins (including furostanol and spirostanol types) | saponin | Root A saponin-enriched extract in one study contained 57.2 mg/g saponins. | Named in the review as a main compound group; the lab and mouse airway work used saponin-enriched extracts. 17 15 16 | Animal research |
| Methylprotodioscin PubChem 11263254 | steroidal saponin | Root | Named by Memorial Sloan Kettering as a lung-active constituent in lab and mouse work. 8 12 | Laboratory research |
| Dioscin PubChem 119245 | steroidal saponin | Root | Named by Memorial Sloan Kettering as reducing airway mucin production in lab work. 8 13 | Laboratory research |
| Oligosaccharides | sugar chains | Root | Eighteen were identified; they eased lung inflammation in mice. 7 | Animal research |
| Asparagine and other amino acids PubChem 6267 | amino acid | Root | The review abstract lists amino acids among the compounds; asparagine is the best-known one in the asparagus family but was not individually confirmed for this root in the abstract read. 17 14 | Theoretical |
Mechanisms, receptors and pathways
| Target or pathway | Gene or receptor | What was found | Level |
|---|---|---|---|
| Th2 allergic inflammation and airway remodelling (IgE, IL-4, IL-13, COX-2, VEGF) | IL4; IL13; PTGS2 (COX-2); VEGF | Saponin and fermented extracts lowered these in asthma-model mice (animal). 15 1 | Animal research |
| Cytokine and oxidative signalling in lung injury | IL6; TNF; IL1B | Oligosaccharides lowered these in mouse macrophage cells and in mouse lungs (lab and animal). 7 | Animal research |
| Drug-metabolising liver enzymes | CYP2E1; CYP1A2 | Induction reported in animals (via Memorial Sloan Kettering; primary study not read). 8 | Animal research |
| Gut bacteria and fat metabolism | Not specified | The root extract reshaped gut bacteria and lowered fat-making in obese mice (animal). 6 | Animal research |
Absorption, metabolism and elimination
- Absorption
- Not covered; no human pharmacokinetic data found.
- Distribution
- Not covered.
- Metabolism
- Not covered.
- Elimination
- Not covered.
- Bioavailability
- Not covered.
Isolated compounds versus whole extracts
Most of the lab findings use isolated saponins, oligosaccharides or special extracts (saponin-enriched, butanol, fermented). These do not equal the plain boiled root used traditionally, and none has been tested in people.
Nutritional composition
Chinese asparagus root is a medicinal root, not a source of essential nutrients. Related asparagus shoots eaten as a vegetable are a different plant.
8 not enough evidence
What is Chinese Asparagus Root good for?
The studied uses and how strong the evidence is. For Chinese asparagus root there is no human trial; every result below is tradition, cell work or animal work.
Benefits, one by one
Each card is a research question, not a promise. Tap a goal to filter. Open a card to see the studies, doses and limits.
Dry cough and airway complaints (traditional use)
Not enough evidenceChinese asparagus root is a traditional Chinese tonic and expectorant used for dry cough and airway problems. No human trial was found, so it is not known whether it works.
2 studiesUsed traditionally as the dried, processed tuberous root, often boile…
Studies, doses and limits
What the trials found
No human trial was found. Memorial Sloan Kettering states that no human studies have been conducted for lung diseases.
Results
A 2022 review lists the traditional uses (tracheitis, pneumonia, rhinitis and others) and reports no human trial. The cancer-centre monograph says no human study exists for lung disease.
Effect sizes as reported
None in people.
Why this rating
Only tradition plus lab and animal work; no human trial.
Form and dose studied
Used traditionally as the dried, processed tuberous root, often boiled. Lab work used saponin, butanol, water or oligosaccharide extracts. Ask a doctor or pharmacist about amounts.
Who was studied
No human population studied.
Limits
Traditional use does not show that it works; lab results may not carry over to people.
Why researchers looked
The root has a long traditional reputation for dryness and cough, so researchers went looking for lung effects in the lab.
Traditional use
Used in Chinese medicine as a tonic for the lungs and dryness, and listed in reviews for tracheitis, pneumonia and rhinitis. Tradition is not trial evidence.
Proposed mechanism Animal research
Reviews and a cancer-centre monograph name methylprotodioscin and dioscin as possible lung-active saponins, based on lab and mouse work.
A proposed mechanism does not show that the effect happens in people.
Do not use instead of care for a cough that lasts, brings up blood, or comes with fever or breathlessness. Not shown safe in pregnancy. This is Asparagus cochinchinensis, not shatavari (Asparagus racemosus).
Asthma-type airway inflammation (mouse studies)
Not enough evidenceIn mice with induced asthma, root extracts lowered airway inflammation and airway wall thickening. This has not been tested in people with asthma.
3 studiesSaponin-enriched extract and a Weissella-fermented butanol extract of…
Studies, doses and limits
What the trials found
No human trial was found.
Results
Saponin-enriched extract (2017): in asthma-model mice, airway immune cells, OVA-specific IgE, bronchial thickness and IL-4, IL-13 and COX-2 were significantly lower than with vehicle, with less goblet-cell overgrowth and collagen thickening. A fermented butanol extract (2018) gave a similar pattern with lower macrophages, eosinophils and IgE.
Effect sizes as reported
Significant reductions reported; sizes not given in the abstracts.
Why this rating
Two related mouse studies from one research network, with extracts that are not the plain root; no human data.
Form and dose studied
Saponin-enriched extract and a Weissella-fermented butanol extract of the root; both lab products.
Who was studied
Mice and mouse cells.
Limits
One research group; the fermented extract is not the same as the traditional root; animal numbers not seen in abstracts. The 2017 authors include staff of an organic-products company.
Why researchers looked
Asthma is one of the conditions the root is listed for, and mouse models are the usual first test.
Traditional use
Traditionally listed for cough, asthma and tracheitis.
Proposed mechanism Animal research
Extracts lowered IgE, Th2 cytokines (IL-4, IL-13), COX-2 and airway remodelling markers in mice; the fermented extract was linked to the acetylcholine pathway by the authors.
A proposed mechanism does not show that the effect happens in people.
People with asthma must not replace prescribed inhalers or action plans with an herb.
Acute lung injury (oligosaccharides, mouse study)
Not enough evidenceSugar chains (oligosaccharides) from the root eased lung damage and inflammation in mice given a bacterial toxin. It is early lab work only.
1 studiesIsolated oligosaccharides, not the whole root.
Studies, doses and limits
What the trials found
No human trial was found.
Results
In cells the oligosaccharides cut nitric oxide and inflammatory gene signals; in mice they eased lung tissue damage and oedema and lowered cytokines, MPO and MDA. They were found in 20 root samples from different regions of China.
Effect sizes as reported
Significant reductions reported; sizes not given in the abstract.
Why this rating
One cell-and-mouse study of isolated oligosaccharides.
Form and dose studied
Isolated oligosaccharides, not the whole root.
Who was studied
Mice and mouse cells.
Limits
An injury model made with a bacterial toxin is not the same as human lung disease; whole-root effects are unknown.
Why researchers looked
Researchers wanted to find which part of the root explains its traditional use for the lungs.
Traditional use
Traditional tonic for breathing complaints.
Proposed mechanism Animal research
Eighteen oligosaccharides were identified; they lowered IL-6, TNF-alpha and IL-1 beta and oxidative stress markers in cells and mouse lungs.
A proposed mechanism does not show that the effect happens in people.
Not a reason to self-treat lung infection or injury.
Weight, blood fats and blood sugar handling (obese mice)
Not enough evidenceA water extract of the root reduced weight gain and improved blood fats and sugar handling in mice fed a high-fat diet. No human data exist.
1 studiesAqueous extract of the root.
Studies, doses and limits
What the trials found
No human trial was found.
Results
In high-fat-diet mice, the water extract significantly reduced weight gain and eased high blood fats, improved glucose tolerance and insulin resistance, lowered liver and fat inflammation and reshaped gut bacteria.
Effect sizes as reported
Significant improvements reported; sizes not given in the abstract.
Why this rating
One mouse study; no human data.
Form and dose studied
Aqueous extract of the root.
Who was studied
Mice on a high-fat diet.
Limits
Animals only; the extract and amounts are not the traditional preparation; abstract only.
Why researchers looked
Obesity involves long-lasting low-grade inflammation, which the root's anti-inflammatory reputation made a target.
Traditional use
Not a traditional use for weight; this is a modern lab question.
Proposed mechanism Animal research
The extract lowered inflammation and fat-making in liver and fat tissue and changed gut bacteria in mice.
A proposed mechanism does not show that the effect happens in people.
Because it improved sugar handling in mice, a possible extra effect with diabetes medicines is theoretical and untested. Ask a doctor or pharmacist.
Constipation (rat study; traditional folk use)
Not enough evidenceConstipation is a folk use of the root. A saponin extract raised stool number and gut movement in constipated rats, but no human trial was found.
2 studiesSaponin-enriched extract.
Studies, doses and limits
What the trials found
No human trial was found.
Results
In rats with drug-induced constipation, stool number, gut transit and mucosal thickness were significantly higher with the extract than with vehicle. The paper carries a 2026 erratum we did not read.
Effect sizes as reported
Significant increases reported; sizes not given in the abstract.
Why this rating
One rat model plus folk use.
Form and dose studied
Saponin-enriched extract.
Who was studied
Rats with loperamide-induced constipation.
Limits
Rats only; erratum not read; folk use is not proof.
Why researchers looked
Constipation is listed among the traditional uses.
Traditional use
Folk use for constipation and stomachache, as listed in a 2022 review.
Proposed mechanism Animal research
In rats the extract moved inflammation markers back toward normal and changed muscarinic receptor signalling in the colon.
A proposed mechanism does not show that the effect happens in people.
A laxative-type effect raises a theoretical risk of loose stools; see the safety tab for the traditional caution in people with weak digestion or diarrhoea (not verified in a source we read).
Liver cell protection (lab only)
Not enough evidenceA root extract protected liver cells from alcohol damage in cell tests. It has not been tested in people with liver disease.
1 studiesExtract in cell culture.
Studies, doses and limits
What the trials found
No human trial was found. Memorial Sloan Kettering says human studies have not been conducted.
Results
Cell-line result summarised by the cancer-centre monograph; the original 2000 paper was not read for this page.
Effect sizes as reported
None in people.
Why this rating
Cell study only.
Form and dose studied
Extract in cell culture.
Who was studied
Liver cell line.
Limits
Cell tests do not show liver protection in people. Liver safety is a separate question: see the safety tab.
Why researchers looked
Hepatitis is one of the purported uses listed by a cancer centre.
Traditional use
Not stated in the sources read.
Proposed mechanism Laboratory research
Protection against alcohol-induced cell death in the Hep G2 liver cell line, per the cancer-centre monograph.
A proposed mechanism does not show that the effect happens in people.
Do not use it as a liver treatment.
Cancer-cell effects (isolated compounds, lab only)
Not enough evidenceSome compounds isolated from the plant were toxic to cancer cells in dishes. Neither the herb nor these compounds have been studied in people with cancer.
1 studiesIsolated compounds.
Studies, doses and limits
What the trials found
No human trial was found.
Results
The cancer-centre monograph reports limited laboratory activity against isolated lung cancer cell lines and says the herb or its constituents have not been studied in people for cancer.
Effect sizes as reported
None in people.
Why this rating
Cell studies only.
Form and dose studied
Isolated compounds.
Who was studied
Cell lines.
Limits
Killing cells in a dish is not the same as treating cancer.
Why researchers looked
Plant saponins are often screened for cell-killing activity.
Traditional use
Not a traditional use.
Proposed mechanism Laboratory research
Aspacochioside C and a few spirostanol saponins showed moderate cytotoxicity in cells.
A proposed mechanism does not show that the effect happens in people.
Do not use in place of cancer treatment. Tell your cancer team about any herb you take.
Nerve, antioxidant and other lab effects
Not enough evidenceReviews also describe antioxidant, nerve-protecting and Alzheimer-model effects in cells and animals. None of this has been tested in people.
1 studiesVarious extracts and isolated compounds.
Studies, doses and limits
What the trials found
No human trial was found.
Results
The 2022 review abstract names anti-oxidation, anti-tumour, Alzheimer's-model, neuroprotection and gut-health effects, all from lab and animal work.
Effect sizes as reported
None in people.
Why this rating
Review of lab and animal work only.
Form and dose studied
Various extracts and isolated compounds.
Who was studied
Cells and animals.
Limits
Narrative review; individual studies not re-read.
Why researchers looked
Reviews of the plant list several lab effects beyond the lungs.
Traditional use
Not stated.
Proposed mechanism Animal research
Saponins, polysaccharides and other compounds showed antioxidant and neuro-protective effects in lab and animal tests, as summarised by the 2022 review.
A proposed mechanism does not show that the effect happens in people.
No claim for memory or brain health can be made for people.
Connections to the rest of health
How Chinese Asparagus Root connects to the rest of our health knowledge graph. Every link says what kind of connection it is. A safety link (for example to the liver) is a warning, not a benefit. A study that merely mentions a topic never creates a benefit link.
Explore every connection: goals, body systems, organs, symptoms, genes
A. Wellness goals
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Immune Support | Traditional use | Not enough evidence | Dry cough and airway complaints (traditional use): Chinese asparagus root is a traditional Chinese tonic and expectorant used for dry cough and airway problems. No human trial was found, so it is not known whether it works. | 17 8 |
| Inflammation Balance | Traditional use | Not enough evidence | Dry cough and airway complaints (traditional use): Chinese asparagus root is a traditional Chinese tonic and expectorant used for dry cough and airway problems. No human trial was found, so it is not known whether it works. | 17 8 |
| Immune Support | Preliminary mechanism | Not enough evidence | Asthma-type airway inflammation (mouse studies): In mice with induced asthma, root extracts lowered airway inflammation and airway wall thickening. This has not been tested in people with asthma. Acute lung injury (oligosaccharides, mouse study): Sugar chains (oligosaccharides) from the root eased lung damage and inflammation in mice given a bacterial toxin. It is early lab work only. | 15 1 8 7 |
| Inflammation Balance | Preliminary mechanism | Not enough evidence | Asthma-type airway inflammation (mouse studies): In mice with induced asthma, root extracts lowered airway inflammation and airway wall thickening. This has not been tested in people with asthma. Acute lung injury (oligosaccharides, mouse study): Sugar chains (oligosaccharides) from the root eased lung damage and inflammation in mice given a bacterial toxin. It is early lab work only. | 15 1 8 7 17 |
| Weight Management | Preliminary mechanism | Not enough evidence | Weight, blood fats and blood sugar handling (obese mice): A water extract of the root reduced weight gain and improved blood fats and sugar handling in mice fed a high-fat diet. No human data exist. | 6 |
| Metabolic Health | Preliminary mechanism | Not enough evidence | Weight, blood fats and blood sugar handling (obese mice): A water extract of the root reduced weight gain and improved blood fats and sugar handling in mice fed a high-fat diet. No human data exist. | 6 |
| Blood Sugar Balance | Preliminary mechanism | Not enough evidence | Weight, blood fats and blood sugar handling (obese mice): A water extract of the root reduced weight gain and improved blood fats and sugar handling in mice fed a high-fat diet. No human data exist. | 6 |
| Digestive Support | Traditional use | Not enough evidence | Constipation (rat study; traditional folk use): Constipation is a folk use of the root. A saponin extract raised stool number and gut movement in constipated rats, but no human trial was found. | 5 17 |
| Gut Health | Traditional use | Not enough evidence | Constipation (rat study; traditional folk use): Constipation is a folk use of the root. A saponin extract raised stool number and gut movement in constipated rats, but no human trial was found. | 5 17 |
| Liver Support | Preliminary mechanism | Not enough evidence | Liver cell protection (lab only): A root extract protected liver cells from alcohol damage in cell tests. It has not been tested in people with liver disease. | 8 |
| Brain Health | Preliminary mechanism | Not enough evidence | Nerve, antioxidant and other lab effects: Reviews also describe antioxidant, nerve-protecting and Alzheimer-model effects in cells and animals. None of this has been tested in people. | 17 |
B. Body systems
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Respiratory system | Traditional use | Not enough evidence | Traditional dry-cough use; mouse asthma and lung-injury studies; no human trial. Preparation or compound: Dried root; saponin and oligosaccharide extracts (animal) |
17 15 7 |
| Respiratory System | Biological association | Not enough evidence | Studied for: Dry cough and airway complaints (traditional use) Studied for: Asthma-type airway inflammation (mouse studies) | 17 8 15 1 7 |
| Immune System | Biological association | Not enough evidence | Studied for: Asthma-type airway inflammation (mouse studies) Studied for: Cancer-cell effects (isolated compounds, lab only) | 15 1 8 |
| Metabolism Weight | Biological association | Not enough evidence | Studied for: Weight, blood fats and blood sugar handling (obese mice) | 6 |
| Digestive System | Biological association | Not enough evidence | Studied for: Constipation (rat study; traditional folk use) | 5 17 |
| Hepatic System | Biological association | Not enough evidence | Studied for: Liver cell protection (lab only) | 8 |
| Nervous System | Biological association | Not enough evidence | Studied for: Nerve, antioxidant and other lab effects | 17 |
I. Biomarkers
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| OVA-specific IgE (asthma-model mice) | Biological association | Not enough evidence | Measured in trials: lowered (in mice). A lab change is not the same as a health benefit. | 15 1 |
| Inflammatory cytokines in lung (IL-4, IL-13, IL-6, TNF-alpha, IL-1 beta) | Biological association | Not enough evidence | Measured in trials: lowered (in mice). A lab change is not the same as a health benefit. | 15 7 |
| Body weight gain (obese mice) | Biological association | Not enough evidence | Measured in trials: lowered (in mice). A lab change is not the same as a health benefit. | 6 |
| Glucose tolerance and insulin resistance (obese mice) | Biological association | Not enough evidence | Measured in trials: improved (in mice). A lab change is not the same as a health benefit. | 6 |
| Stool number and gut transit (constipated rats) | Biological association | Not enough evidence | Measured in trials: raised (in rats). A lab change is not the same as a health benefit. | 5 |
J. Genes, receptors and enzymes
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| CYP2E1 and CYP1A2 | Preliminary mechanism | Animal | Induction in animals (possible medicine interactions). | 8 |
K. Biological pathways
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Th2 cytokine signalling (IL-4, IL-13) | Preliminary mechanism | Animal | Lowered in asthma-model mice. | 15 |
L. Active compounds
| Connected to | Kind of connection | Evidence status | Context | Studies |
|---|---|---|---|---|
| Steroidal saponins (including furostanol and spirostanol types) | Biological association | Animal | Named in the review as a main compound group; the lab and mouse airway work used saponin-enriched extracts. Preparation or compound: Root |
17 15 16 |
| Methylprotodioscin | Biological association | In vitro | Named by Memorial Sloan Kettering as a lung-active constituent in lab and mouse work. Preparation or compound: Root |
8 12 |
| Dioscin | Biological association | In vitro | Named by Memorial Sloan Kettering as reducing airway mucin production in lab work. Preparation or compound: Root |
8 13 |
| Oligosaccharides | Biological association | Animal | Eighteen were identified; they eased lung inflammation in mice. Preparation or compound: Root |
7 |
| Asparagine and other amino acids | Biological association | Theoretical | The review abstract lists amino acids among the compounds; asparagine is the best-known one in the asparagus family but was not individually confirmed for this root in the abstract read. Preparation or compound: Root |
17 14 |
Each connection is stored with the ingredient, the connected record, the kind of connection, the evidence status, the supporting studies, the preparation or compound involved, and a review date (last reviewed October 25, 2026).
The evidence
The research centre for Chinese Asparagus Root. Every record here was checked against PubMed or the publisher's page; we never list a study we have not verified.
Evidence by outcome
Bars show how many studies we found for each outcome, not how well it works. People are added up across trials only (reviews are not added, to avoid double counting).
How we rate evidence
High certainty
Several well-run trials or reviews agree; further research is unlikely to change the picture much.
Moderate certainty
Good trials point the same way, but some doubt remains.
Low certainty
Small, short or inconsistent trials. The finding could change with better research.
Very low certainty
Very little or very weak human data. Treat as a possibility only.
Mixed findings
Trials or reviews disagree with each other.
Not enough evidence
Not enough human research to say either way.
Evidence against
Good research found no benefit, or found harm.
We take the reviewers' own risk-of-bias and GRADE statements where they exist, and otherwise judge from study size, design, consistency, directness and whether a product matches what is sold. Many publications do not make evidence high. Method note: We read our existing herb summary, searched PubMed, read the abstract of each PubMed record cited, read the Memorial Sloan Kettering monograph, and checked names in GBIF and NCBI Taxonomy and compounds in PubChem. Pages that could not be opened are marked not found or not verified.
Study library: every study we checked 17
| Study | Design | People | Product, dose, length | Result |
|---|---|---|---|---|
| Choi 2018 The Anti-Inflammatory Effects of Fermented Herbal Roots of Asparagus cochinchinensis in an Ovalbumin-Induced Asthma Model J Clin Med · PMID 30360392 · DOI |
Animal research animal |
Mouse model of asthma (ovalbumin) and mouse macrophage cells | Butanol extract of roots fermented with Weissella cibaria (BAW) root not applicable not applicable · vs not applicable |
BAW lowered inflammatory-cell infiltration, bronchial thickness, macrophages and eosinophils, OVA-specific IgE and Th2 cytokines in asthma-model mice, and reduced reactive oxygen species in cells. The authors link this to the acetylcholine pathway. Significant reductions reported; sizes not given in the abstract (not given in abstract) Methods, limits and fundingOutcomes: Airway inflammation, IgE, Th2 cytokines, airway remodelling Limitations: Mice only; a fermented butanol extract is not the same as the plain root; abstract only. Funding and conflicts: No conflict of interest declared. Read: abstract (PubMed efetch, 2026-10-25) |
| EMA / 2026 EMA/HMPC and WHO: no monograph found for Asparagus cochinchinensis root EMA / WHO |
Search record plant |
not applicable not applicable · vs not applicable |
Not searched for this page. NOT verified. Absence of an entry is not proof of safety. Not applicable (not applicable) Methods, limits and fundingOutcomes: Regulator or database entry Limitations: Not verified. Funding and conflicts: Not applicable Read: not confirmed | |
| GBIF 2026 GBIF species match: Asparagus cochinchinensis GBIF API · Source |
Database record plant |
not applicable not applicable · vs not applicable |
GBIF species match (read 2026-10-25): Asparagus cochinchinensis (Lour.) Merr., key 2768772, rank SPECIES, status ACCEPTED, family Asparagaceae, order Asparagales. Not applicable (not applicable) Methods, limits and fundingOutcomes: Name check Limitations: Name only. Funding and conflicts: Not applicable Read: API response | |
| Guo 2025 Complete plastomes serve as desirable molecular makers for precise identification of Asparagus cochinchinensis (Asparagaceae) and nine other congeneric species frequently utilized as its adulterants BMC Plant Biol · PMID 40114041 · DOI |
Laboratory authentication plant |
Plant samples of A. cochinchinensis and nine related Asparagus species | Complete plastid genomes as DNA markers tuberous root (Asparagi Radix) not applicable not applicable · vs not applicable |
The abstract says Asparagi Radix is frequently adulterated with processed roots of nine other Asparagus species, and that complete plastid genomes identified A. cochinchinensis and the nine adulterants reliably. Not applicable (not applicable) Methods, limits and fundingOutcomes: Whether DNA can tell the herb from its adulterants Limitations: A method paper; it does not say how common adulteration is in shops or whether the adulterants are harmful. Funding and conflicts: Competing interests: none declared. Read: abstract (PubMed efetch, 2026-10-25) |
| Kim 2019 Anti-Inflammatory Response and Muscarinic Cholinergic Regulation during the Laxative Effect of Asparagus cochinchinensis in Loperamide-Induced Constipation of SD Rats Int J Mol Sci · PMID 30795644 · DOI |
Animal research animal |
Rats with loperamide-induced constipation | Saponin-enriched extract of A. cochinchinensis (SPA) root (not stated in abstract) not applicable not applicable · vs not applicable |
Stool number, gastrointestinal transit and mucosal thickness were higher in treated constipated rats than in vehicle rats, and inflammatory markers moved back toward normal. The authors call it the first strong evidence of a laxative effect in this model. Significant increases reported; sizes not given in the abstract (not given in abstract) Methods, limits and fundingOutcomes: Stool number, gut transit, colon wall changes, inflammation markers, muscarinic receptors Limitations: Rats only, loperamide model; the record carries a 2026 erratum (doi 10.3390/ijms27052228) whose content was NOT read, so treat the findings with extra care. Funding and conflicts: No conflict of interest declared. Read: abstract (PubMed efetch, 2026-10-25) |
| Luo 2022 Asparagus cochinchinensis alleviates disturbances of lipid metabolism and gut microbiota in high-fat diet-induced obesity mice Front Pharmacol · PMID 36313282 · DOI |
Animal research animal |
Mice fed a high-fat diet | Aqueous (water) extract of the root (ACE) root not applicable not applicable · vs not applicable |
ACE significantly reduced weight gain and eased high blood fats, improved glucose tolerance and insulin resistance, lowered inflammation and fat-making in liver and fat tissue, and changed the gut bacteria. Significant improvements reported; sizes not given in the abstract (not given in abstract) Methods, limits and fundingOutcomes: Weight gain, blood fats, glucose tolerance, insulin resistance, liver and fat inflammation, gut bacteria Limitations: Mice only; no human data; abstract only. Funding and conflicts: No conflict of interest declared. Read: abstract (PubMed efetch, 2026-10-25) |
| Ma 2024 Oligosaccharides from Asparagus cochinchinensis for ameliorating LPS-induced acute lung injury in mice Food Funct · PMID 38376424 · DOI |
Animal research animal |
Mouse macrophage cells and mice with lipopolysaccharide-induced acute lung injury | Oligosaccharides from Asparagi radix (AROS); 18 identified root not applicable not applicable · vs not applicable |
AROS reduced nitric oxide and the mRNA of IL-6, IL-1 beta and TNF-alpha in cells, and in mice eased lung tissue damage and oedema and lowered those cytokines, MPO and MDA. The authors say this may explain the traditional use for respiratory problems. The oligosaccharides were found in 20 root samples from different regions of China. Significant reductions reported; sizes not given in the abstract (not given in abstract) Methods, limits and fundingOutcomes: Cytokines (IL-6, TNF-alpha, IL-1 beta), lung damage, lung oedema Limitations: Cells and one mouse injury model; isolated oligosaccharides, not the whole root; abstract only. Funding and conflicts: Not stated in abstract. Read: abstract (PubMed efetch, 2026-10-25) |
| Memorial Sloan Kettering Cancer Center 2026 Chinese Asparagus (About Herbs, Botanicals and Other Products) MSK Integrative Medicine · Source |
Authoritative guidance plant |
Patient and professional herb monograph | Chinese asparagus (root) root not applicable not applicable · vs not applicable |
Page text read 2026-10-25. Says it is used in traditional Chinese medicine as a tonic and expectorant; lab studies suggest anti-inflammatory and airway effects, limited lab activity against lung cancer cells and protection of liver cells from alcohol toxicity, with no human studies. Animal studies showed induction of the liver enzymes CYP2E1 and CYP1A2, suggesting possible interactions with drugs cleared by them; clinical relevance not determined. Methylprotodioscin and dioscin are named as lung-active constituents in lab work. Not applicable (not applicable) Methods, limits and fundingOutcomes: Uses, mechanism, interactions Limitations: A cancer-centre summary; relies on lab and animal work; no pregnancy, breastfeeding, liver or allergy data. Funding and conflicts: Not applicable Read: page text read 2026-10-25 |
| NCBI 2026 NCBI Taxonomy search: Asparagus cochinchinensis NCBI Taxonomy (E-utilities) · Source |
Database record plant |
not applicable not applicable · vs not applicable |
A single hit, TaxID 100514 (search read 2026-10-25). Not applicable (not applicable) Methods, limits and fundingOutcomes: Name check Limitations: Name only; the record page itself was not opened. Funding and conflicts: Not applicable Read: API response | |
| NCBI LactMed 2026 LactMed: no entry found for Asparagus cochinchinensis NCBI LactMed |
Search record plant |
not applicable not applicable · vs not applicable |
A quick Bookshelf search on 2026-10-25 did not confirm any entry for this herb; the hits were not opened. NOT verified either way. Absence of an entry is not proof of safety. Not applicable (not applicable) Methods, limits and fundingOutcomes: Regulator or database entry Limitations: Not verified. Funding and conflicts: Not applicable Read: not confirmed | |
| NCBI LiverTox 2026 LiverTox: no entry found for Asparagus cochinchinensis NCBI LiverTox |
Search record plant |
not applicable not applicable · vs not applicable |
A quick Bookshelf search on 2026-10-25 did not confirm any entry for this herb; the hits were not opened. NOT verified either way. Absence of an entry is not proof of safety. Not applicable (not applicable) Methods, limits and fundingOutcomes: Regulator or database entry Limitations: Not verified. Funding and conflicts: Not applicable Read: not confirmed | |
| NCBI PubChem 2026 PubChem: Methylprotodioscin PubChem PUG REST · Source |
Database record chemical |
not applicable not applicable · vs not applicable |
Methylprotodioscin, CID 11263254, formula C52H86O22 (read 2026-10-25). Not applicable (not applicable) Methods, limits and fundingOutcomes: Compound identity Limitations: Identity only; says nothing about content in the root. Funding and conflicts: Not applicable Read: API response | |
| NCBI PubChem 2026 PubChem: Dioscin PubChem PUG REST · Source |
Database record chemical |
not applicable not applicable · vs not applicable |
Dioscin, CID 119245, formula C45H72O16 (read 2026-10-25). Not applicable (not applicable) Methods, limits and fundingOutcomes: Compound identity Limitations: Identity only; says nothing about content in the root. Funding and conflicts: Not applicable Read: API response | |
| NCBI PubChem 2026 PubChem: Asparagine PubChem PUG REST · Source |
Database record chemical |
not applicable not applicable · vs not applicable |
Asparagine, CID 6267, formula C4H8N2O3 (read 2026-10-25). Not applicable (not applicable) Methods, limits and fundingOutcomes: Compound identity Limitations: Identity only; says nothing about content in the root. Funding and conflicts: Not applicable Read: API response | |
| Sung 2017 Saponin-enriched extract of Asparagus cochinchinensis alleviates airway inflammation and remodeling in ovalbumin-induced asthma model Int J Mol Med · PMID 28949387 · DOI |
Animal research animal |
Mouse model of asthma (ovalbumin) and mouse macrophage cells | Saponin-enriched extract of A. cochinchinensis (SEAC) root (as described by the review; part not stated in abstract) not applicable not applicable · vs not applicable |
In the mouse asthma model, immune cells in airway fluid, OVA-specific IgE, inflammatory-cell infiltration, bronchial thickness and IL-4, IL-13 and COX-2 were significantly lower with SEAC than with vehicle. Goblet-cell overgrowth, collagen thickening and VEGF were also reduced. In cells, nitric oxide, COX-2 and iNOS were lower. Significant reductions reported; sizes not given in the abstract (not given in abstract) Methods, limits and fundingOutcomes: Airway inflammation, IgE, airway wall thickness, cytokines Limitations: Mice and cells only; one extract; the abstract does not give animal numbers; authors link to an organic-products company. Funding and conflicts: Authors include staff of Gangrim Organics; funding not stated in abstract. Read: abstract (PubMed efetch, 2026-10-25) |
| Sung 2017 Hepatotoxicity and nephrotoxicity of saponin-enriched extract of Asparagus cochinchinensis in ICR mice Lab Anim Res · PMID 28747969 · DOI |
Animal research animal |
Male and female ICR mice, 14 days | Saponin-enriched extract of A. cochinchinensis (SEAC) root (not stated in abstract) 150, 300 and 600 mg/kg body weight/day by mouth (mouse doses, not advice) 14 days · vs vehicle |
No differences from vehicle in body or organ weight, urine, mortality, ALP, ALT, AST, LDH, BUN or creatinine, and no toxic changes in liver or kidney tissue at up to 600 mg/kg/day. The authors conclude no specific liver or kidney toxicity in mice at that amount. No treatment effect on safety markers (not given) Methods, limits and fundingOutcomes: Body and organ weight, urine, ALP, ALT, AST, LDH, BUN, creatinine, liver and kidney tissue Limitations: Only 14 days, mice, one extract; says nothing about people, pregnancy or long-term use; same research group as the asthma study. Funding and conflicts: Authors include staff of Gangrim Organics; they declare no financial conflict. Read: abstract (PubMed efetch, 2026-10-25) |
| Wang 2022 Asparagus cochinchinensis: A review of its botany, traditional uses, phytochemistry, pharmacology, and applications Front Pharmacol · PMID 36532772 · DOI |
Narrative review review |
Narrative review of the botany, traditional uses, chemistry and pharmacology of the root | Asparagus cochinchinensis (Lour.) Merr. tuberous root and its compounds root not applicable not applicable · vs not applicable |
The abstract lists traditional uses (constipation, fever, pneumonia, stomachache, tracheitis, rhinitis, cataract, acne, urticaria) and more than 90 compounds, including steroidal saponins, C21-steroids, lignans, polysaccharides and amino acids. It names anti-asthma, anti-inflammatory, antioxidant, anti-tumour, neuroprotective and gut-health effects. It reports no human trial. Not applicable (not applicable) Methods, limits and fundingOutcomes: Traditional uses, compounds, lab and animal pharmacology Limitations: Narrative review, not a systematic one; mostly lab and animal work; only the abstract was re-read for this page. Funding and conflicts: No conflict of interest declared. Read: abstract (PubMed efetch, 2026-10-25) |
What we do not know yet
- No human trial of the root for any use was found.
- Everything on lungs, weight and constipation is from mice or rats.
- Pregnancy, breastfeeding, children and allergy: no data.
- The diuretic, hormone-sensitivity and traditional spleen-cold cautions could not be verified.
- EMA/HMPC, WHO, NCCIH, LiverTox and LactMed entries were not verified.
How new research is added
New studies are found by a saved PubMed search and placed in a review queue. A person reads each one before it changes any rating or safety wording.
Lab markers
What changed in blood or saliva tests during trials. A changed number is not the same as feeling or being healthier, and we give no "normal ranges".
Other 5
OVA-specific IgE (asthma-model mice)
Lowered (in mice) in trials
IgE is an antibody linked to allergic reactions; in this model it is raised by an egg-protein trigger.
Not enough evidenceResults and what it means
Why it was measured
The mouse asthma model uses it to show allergic airway inflammation.
Statistical vs. clinical meaning
Animal result only; not shown in people.
Safety implication
See the safety tab.
| Study | Result | People | Product |
|---|---|---|---|
| 15 | Significantly lower with the extract than with vehicle (sizes not in the abstract). | Ovalbumin-induced asthma mice | Saponin-enriched extract |
| 1 | Significantly lower with the fermented butanol extract (sizes not in the abstract). | Ovalbumin-induced asthma mice | Fermented butanol extract |
Inflammatory cytokines in lung (IL-4, IL-13, IL-6, TNF-alpha, IL-1 beta)
Lowered (in mice) in trials
Cytokines are signalling proteins that drive inflammation.
Not enough evidenceResults and what it means
Why it was measured
Used to show whether the extract calms airway or lung inflammation in animals.
Statistical vs. clinical meaning
Animal and cell results only; lower cytokines in mice are not a proven benefit in people.
Safety implication
See the safety tab.
Body weight gain (obese mice)
Lowered (in mice) in trials
Body weight over the study period.
Not enough evidenceResults and what it means
Why it was measured
Shows whether the extract limits weight gain on a high-fat diet.
Statistical vs. clinical meaning
Animal result only.
Safety implication
See the safety tab.
| Study | Result | People | Product |
|---|---|---|---|
| 6 | Significantly less weight gain with the extract (size not in the abstract). | High-fat-diet mice | Water extract of the root |
Glucose tolerance and insulin resistance (obese mice)
Improved (in mice) in trials
How well the body clears sugar after a sugar load, and how well it responds to insulin.
Not enough evidenceResults and what it means
Why it was measured
Linked to diabetes risk.
Statistical vs. clinical meaning
Animal result only; not a diabetes treatment.
Safety implication
If you take diabetes medicines, ask a doctor or pharmacist before use.
| Study | Result | People | Product |
|---|---|---|---|
| 6 | Glucose tolerance and insulin resistance significantly improved (sizes not in the abstract). | High-fat-diet mice | Water extract of the root |
Stool number and gut transit (constipated rats)
Raised (in rats) in trials
How many stools pass and how fast food moves through the gut.
Not enough evidenceResults and what it means
Why it was measured
The basic measure of constipation in rats.
Statistical vs. clinical meaning
Animal result only; the paper has an unread 2026 erratum.
Safety implication
See the safety tab.
| Study | Result | People | Product |
|---|---|---|---|
| 5 | Total stool number and gastrointestinal transit significantly higher with the extract than vehicle (sizes not in the abstract). | Rats with loperamide-induced constipation | Saponin-enriched extract |
Safety
What studies and official sources say about side effects, medicines and who should check first. Each point shows what kind of evidence it comes from.
Main points to know 4
- No human safety data. No human trial or case report of harm was found. A short mouse study found no liver or kidney harm, but that does not show safety in people. Absence of reports is not proof of safety. Absence of data+animal 8 16
- Pregnancy and breastfeeding: no data. Nothing was found on use in pregnancy or breastfeeding. Without data, avoid it unless a doctor who knows the plant says otherwise. Absence of data 8 10
- Possible medicine interactions. In animals the herb switched on the liver enzymes CYP2E1 and CYP1A2, which clear many medicines. Memorial Sloan Kettering warns about drugs cleared by them. Whether this happens in people is not known. Mouse results also hint at an effect on blood sugar. Animal+authoritative guidance 8 6
- Not the same plant as shatavari. Chinese asparagus root is Asparagus cochinchinensis. Shatavari is Asparagus racemosus, a different species. Safety notes for one do not automatically apply to the other. Identity 3 4
Side effects 2
| Effect | How often | Severity and recovery | Evidence |
|---|---|---|---|
| No adverse effect rates for the root in people were found. Memorial Sloan Kettering lists no documented adverse events and no human studies. Absence of reports is not proof of safety. | Not established | unknown Not stated | Absence of data 8 |
| Allergy to the asparagus family (Asparagaceae) is a theoretical concern. No allergy report for this root was found. Stop and get help for rash, swelling or breathing trouble. | Not established | unknown Not stated | Pharmacological theory 3 |
Liver
No human liver injury case was found, and no LiverTox entry for this herb was confirmed (a quick Bookshelf search did not settle it; NOT verified). A 14-day mouse study of a saponin-enriched extract found no change in ALT, AST, ALP, LDH, BUN or creatinine and no toxic changes in liver or kidney tissue at up to 600 mg/kg/day. That does not show safety in people or over longer use. 16 11
How often. Unknown.
Monitoring. No monitoring advice found. People with liver or kidney disease should ask a doctor first.
This is a safety connection. It is not evidence that Chinese Asparagus Root supports liver health.
Medicines and supplements 5
| With | Why it matters | Importance | Evidence | What to do |
|---|---|---|---|---|
| Medicines cleared by the liver enzymes CYP2E1 or CYP1A2 drug | In animal studies the herb induced these enzymes, which could lower levels of medicines they clear. | Medicines could work less well or produce different by-products. Clinical relevance is not determined. | Animal+authoritative guidance Very low certainty 8 | Ask a doctor or pharmacist before combining, especially with narrow-margin medicines. |
| Diabetes medicines (including insulin) drug | A water extract improved glucose tolerance and insulin resistance in obese mice; an added blood-sugar-lowering effect is plausible but untested in people. | Possible low blood sugar if combined. Theoretical. | Animal+pharmacological theory Very low certainty 6 | If you take diabetes medicines, ask a doctor or pharmacist first and tell them about any herb. |
| Water pills (diuretics) and kidney or fluid problems drug | A diuretic effect was not documented for this root in any source we read. The question was raised as a possible caution; it could not be verified. | Unknown. | Absence of data Not enough evidence 8 | Ask a doctor or pharmacist if you take diuretics or have kidney, salt or fluid problems. |
| Laxatives and medicines that loosen the bowels drug | Constipated rats passed more stools with an extract, so an added loosening effect is plausible but untested in people. | Possible loose stools. Theoretical. | Animal+pharmacological theory Very low certainty 5 | Ask a doctor or pharmacist before combining. |
| Other Asparagus roots or tonic herbs, including shatavari herb | No interaction study exists. Shatavari is a different species, Asparagus racemosus. | Unknown. Mixed use makes any reaction hard to trace. | Absence of data Not enough evidence 3 | Do not stack several tonic herbs without asking a pharmacist. |
Who should check first 8
| Situation | Advice | Evidence |
|---|---|---|
| Pregnancy | Avoid unless a doctor who knows the herb advises otherwise. No safety data exist. | Absence of data 8 |
| Breastfeeding | Avoid unless advised by a doctor. No data were found, and no LactMed entry was confirmed. | Absence of data 10 |
| Children | No data. Ask a doctor first. | Absence of data 8 |
| Allergy to asparagus or other plants of the asparagus family | Avoid. Cross-reaction is theoretical and unstudied. | Pharmacological theory 3 |
| Hormone-sensitive conditions (some breast, ovarian, uterine or prostate cancers, endometriosis, fibroids) | No data on hormone effects were found in the sources read. Plant steroid-like saponins are not the same as human hormones, but this was not tested, so ask your specialist before use. | Absence of data 8 17 |
| Diabetes treated with medicines | Ask a doctor or pharmacist first; blood sugar could shift. | Animal research 6 |
| Weak digestion with cold signs or loose stools ('spleen cold' or diarrhoea in Chinese medicine) | Traditional Chinese practice cautions against moist, cooling tonic roots in this pattern. This caution was NOT verified in a source we read; it is included because practitioners commonly give it. | Traditional use (not verified) 8 |
| Taking medicines cleared by CYP2E1 or CYP1A2 | Avoid or ask a pharmacist, as advised by Memorial Sloan Kettering. | Animal+authoritative guidance 8 |
Overdose, product quality and regulators
Summary. No human toxicity data were found. One 14-day mouse study of a saponin-enriched extract found no liver or kidney toxicity at up to 600 mg/kg/day.
Animal. Male and female ICR mice given the extract for 14 days showed no differences from vehicle in organ weight, urine, mortality, liver and kidney markers or tissue.
Human doses studied. None; amounts are not advice.
High dose or long term signals. Not found. Long-term safety is unknown.
Overdose response. Not found.
Genotoxicity. Not found in the sources read.
Toxic plant parts. The tuberous root is the medicinal part. No toxic plant part was identified in the sources read, but the asparagus-family berries and shoots of other species were not checked.
The documented issue is adulteration: the processed root is often mixed with roots of nine related Asparagus species.
Adulteration with related Asparagus roots. A 2025 study says Asparagi Radix is frequently adulterated with processed roots of nine congeneric species and shows DNA markers can tell them apart. It does not say how common this is in shops or whether the adulterants are harmful. 4
| Body | Action | Date |
|---|---|---|
| Memorial Sloan Kettering Cancer Center (United States) | Herb monograph: no human studies; warns about drugs cleared by CYP2E1 or CYP1A2 based on animal data. source | 2026 |
When to get medical help
- Rash, hives, swelling of the lips or face, or trouble breathing
- Yellow skin or eyes, dark urine or severe stomach pain
- Very low blood sugar signs (shaking, sweating, confusion) if you take diabetes medicines
- Severe or lasting diarrhoea
- A cough with blood, high fever or breathlessness (see a doctor; do not self-treat)
Stop the supplement and contact a clinician or emergency service. In the US, Poison Control is 1-800-222-1222.
General information only, not medical advice. Ask a clinician or pharmacist before use, especially with medicines, in pregnancy or with a health condition. See the Natural Remedy Safety guide.
Frequently asked questions
What is tian men dong?
Is it the same as shatavari?
No. Shatavari is Asparagus racemosus, a different species. Do not assume results or cautions carry over.
Does it help a dry cough?
Does it help asthma?
Is it safe in pregnancy or breastfeeding?
Does it interact with medicines?
In animals it switched on the liver enzymes CYP2E1 and CYP1A2, so it could change levels of medicines they clear. Not shown in people. Ask a doctor or pharmacist.
Can I take it with diabetes medicines?
A mouse study found better sugar handling, so an added effect is possible but untested. Ask a doctor or pharmacist first.
Is it a diuretic?
No source we read documents a diuretic effect for this root; we could not verify it either way. Ask a doctor or pharmacist if you take water pills or have kidney problems.
Who should avoid it?
Is it good for the liver or for weight?
Does it help against cancer?
No. Some isolated compounds were toxic to cancer cells in dishes, but the herb has not been studied in people for cancer. Do not use it instead of treatment.
Where can I find the right amount?
Ask a doctor or pharmacist about amounts and your medicines. This page does not give amounts.
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Editorial transparency
- Written by
- AlternativeMed editorial team. Research compiled with AI assistance, then checked against PubMed records.
- Medical review
- None. This page has not been reviewed by a physician or pharmacist.
- First published
- 2026-10-25
- Last substantive update
- 2026-10-25
- How we research
- We read our existing herb summary, searched PubMed, read the abstract of each PubMed record cited, read the Memorial Sloan Kettering monograph, and checked names in GBIF and NCBI Taxonomy and compounds in PubChem. Pages that could not be opened are marked not found or not verified.
- How we rate evidence
- See "How we rate evidence" in the Evidence tab.
- Independence
- No product is promoted on this page. No affiliate links are shown.
Sources 17
Each source was opened and checked. Where we read only the abstract, it says so. The small numbers in the text point here.
- Choi JY, Kim JE, Park JJ, et al.. The Anti-Inflammatory Effects of Fermented Herbal Roots of Asparagus cochinchinensis in an Ovalbumin-Induced Asthma Model. J Clin Med. 2018. PMID 30360392. DOI 10.3390/jcm7100377. (abstract (PubMed efetch, 2026-10-25))
- EMA / WHO. EMA/HMPC and WHO: no monograph found for Asparagus cochinchinensis root. EMA / WHO. 2026. (not confirmed)
- GBIF. GBIF species match: Asparagus cochinchinensis. GBIF API. 2026. (API response)
- Guo X, Xie P, Zhang G, et al.. Complete plastomes serve as desirable molecular makers for precise identification of Asparagus cochinchinensis (Asparagaceae) and nine other congeneric species frequently utilized as its adulterants. BMC Plant Biol. 2025. PMID 40114041. DOI 10.1186/s12870-025-06316-0. (abstract (PubMed efetch, 2026-10-25))
- Kim JE, Park JW, Kang MJ, et al.. Anti-Inflammatory Response and Muscarinic Cholinergic Regulation during the Laxative Effect of Asparagus cochinchinensis in Loperamide-Induced Constipation of SD Rats. Int J Mol Sci. 2019. PMID 30795644. DOI 10.3390/ijms20040946. (abstract (PubMed efetch, 2026-10-25))
- Luo S, Zhou L, Jiang X, et al.. Asparagus cochinchinensis alleviates disturbances of lipid metabolism and gut microbiota in high-fat diet-induced obesity mice. Front Pharmacol. 2022. PMID 36313282. DOI 10.3389/fphar.2022.1015005. (abstract (PubMed efetch, 2026-10-25))
- Ma Y, Zhang F, Xie Y, et al.. Oligosaccharides from Asparagus cochinchinensis for ameliorating LPS-induced acute lung injury in mice. Food Funct. 2024. PMID 38376424. DOI 10.1039/d3fo05628g. (abstract (PubMed efetch, 2026-10-25))
- Memorial Sloan Kettering Cancer Center. Chinese Asparagus (About Herbs, Botanicals and Other Products). MSK Integrative Medicine. 2026. (page text read 2026-10-25)
- NCBI. NCBI Taxonomy search: Asparagus cochinchinensis. NCBI Taxonomy (E-utilities). 2026. (API response)
- NCBI LactMed. LactMed: no entry found for Asparagus cochinchinensis. NCBI LactMed. 2026. (not confirmed)
- NCBI LiverTox. LiverTox: no entry found for Asparagus cochinchinensis. NCBI LiverTox. 2026. (not confirmed)
- NCBI PubChem. PubChem: Methylprotodioscin. PubChem PUG REST. 2026. (API response)
- NCBI PubChem. PubChem: Dioscin. PubChem PUG REST. 2026. (API response)
- NCBI PubChem. PubChem: Asparagine. PubChem PUG REST. 2026. (API response)
- Sung JE, Lee HA, Kim JE, et al.. Saponin-enriched extract of Asparagus cochinchinensis alleviates airway inflammation and remodeling in ovalbumin-induced asthma model. Int J Mol Med. 2017. PMID 28949387. DOI 10.3892/ijmm.2017.3147. (abstract (PubMed efetch, 2026-10-25))
- Sung JE, Choi JY, Kim JE, et al.. Hepatotoxicity and nephrotoxicity of saponin-enriched extract of Asparagus cochinchinensis in ICR mice. Lab Anim Res. 2017. PMID 28747969. DOI 10.5625/lar.2017.33.2.57. (abstract (PubMed efetch, 2026-10-25))
- Wang M, Wang S, Hu W, et al.. Asparagus cochinchinensis: A review of its botany, traditional uses, phytochemistry, pharmacology, and applications. Front Pharmacol. 2022. PMID 36532772. DOI 10.3389/fphar.2022.1068858. (abstract (PubMed efetch, 2026-10-25))