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Turmeric (Haridra) in Ayurveda

Turmeric (haridra) in Ayurveda: its traditional uses, what trials of turmeric and curcumin found, and the liver injury reports, lead contamination and pregnancy cautions.

Content last updated . This page has not been medically reviewed.

What it is and how Ayurveda describes it

Turmeric is the underground stem (rhizome) of Curcuma longa, a plant in the ginger family grown commercially in Southeast Asia and India. [3] Its yellow color comes from curcumin, one of several curcuminoids. [4] In Sanskrit it is known as haridra, among other names. [5]

NCCIH notes turmeric has been used in Chinese, Indian (including Ayurvedic), Islamic and Thai traditional medicine for conditions such as indigestion, colds, skin infections, arthritis, abdominal pain and liver disease. [6] A 2026 ethnobotanical review reports that turmeric is recorded in the Charaka Samhita, a foundational Ayurvedic text dated to roughly the 2nd to 4th centuries. [7] The same review says that, because of its bitterness, Ayurveda considers turmeric beneficial for appetite, bowel movements and bile flow. [8]

These are traditional uses and traditional reasoning. For the tradition's own terms (tastes, qualities) see how Ayurvedic herbs are classified.

What research has measured

NCCIH says many studies have looked at turmeric or curcumin for fatty liver disease, osteoarthritis and cholesterol, but we do not know enough to conclude that it helps any health purpose. [9] It is hard to compare studies because products differ in how much curcumin they contain and often include other plant substances such as piperine from black pepper. [10]
UseWhat the source foundLabel
Knee osteoarthritisA meta-analysis of 16 randomized trials (1,810 adults, up to 16 weeks) found less knee pain and better function than placebo, [11] [12] and similar effects to NSAIDs, [13] but the evidence was short-term, varied a lot and had moderate risk of bias. [14] A separate systematic review said the best dose and formulation remain unclear. [15] NCCIH calls the initial evidence positive but needing higher-quality studies. [16]Promising but limited
Fatty liver diseaseNCCIH says some measures may improve, but it is unclear which ones are consistent. [17]Insufficient evidence
Other promoted uses (NCCIH lists depression, allergies, itching and high cholesterol)NCCIH says there is not enough evidence to conclude. [9]Insufficient evidence

Where this fits

For the full ingredient picture see the site's turmeric guide and curcumin supplements. For joint pain overall see Ayurveda for joint pain and arthritis. Persistent joint swelling, jaundice or unexplained weight loss need medical assessment.

Frequently asked questions

Is turmeric a proven treatment for arthritis?

Not proven. Meta-analyses of short trials found less knee pain than placebo, but the evidence is heterogeneous with moderate risk of bias, so the label is promising but limited. [14] [16]

Can turmeric supplements damage the liver?

Rarely, yes. NCCIH reports liver damage with highly bioavailable curcumin products, and a US network described ten turmeric cases including one death. [1] [21]

Is turmeric in food the same as a turmeric supplement?

No. Supplements concentrate curcumin and may add piperine, and NCCIH's safety advice is about supplement products. [10] [33]

Can turmeric contain lead?

Some can. A 2024 South Asian survey found lead above 2 micrograms per gram in 14% of 356 samples, with the highest levels suggesting added lead chromate pigment. [27] [28]

Is turmeric safe during pregnancy?

Turmeric supplements may be unsafe in pregnancy, according to NCCIH. [30]

More details: evidence, limits and cautions

The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.

Safety first
Turmeric as a cooking spice is different from concentrated turmeric or curcumin supplements. The National Center for Complementary and Integrative Health (NCCIH, US) says liver damage has been reported with highly bioavailable curcumin products. [1] If you notice fatigue, nausea, poor appetite, dark urine or yellow skin or eyes, stop the product and talk with a health professional. [2] In the US, Poison Help is 1-800-222-1222. This page is information only and gives no amounts to take.
Safety, liver injury and contamination
NCCIH says conventional oral turmeric (not modified to improve absorption) is likely safe in recommended amounts for up to 2 or 3 months, and may cause nausea, acid reflux, stomach upset, diarrhea or constipation. [18] [19]

Liver injury. The US Drug-Induced Liver Injury Network described ten cases linked to turmeric. Five patients were hospitalized and one died of acute liver failure. [20] [21] Turmeric was confirmed in all seven products tested, and three also contained piperine. [22] Seven patients carried a particular immune gene variant (HLA-B*35:01), which was far more common in them than in population controls. [23] [24] The authors said turmeric liver injury appears to be increasing in the US. [25] See liver injury from Ayurvedic herbs and liver safety and supplements.

Lead contamination of the spice. A 2024 study collected 356 turmeric samples from 23 cities in India, Pakistan, Sri Lanka and Nepal. [26] It found detectable lead above 2 micrograms per gram in 14% of samples. [27] In samples with the highest lead, the lead-to-chromium ratio was near 1:1, which the authors said suggests added lead chromate, a colored pigment. [28] They noted that spices adulterated this way have been linked to lead poisoning in many countries, from Bangladesh to the United States. [29] This is a reason to ask about testing and to be cautious with unlabeled, bulk or imported turmeric. See Ayurvedic products: heavy metals and product quality.

Pregnancy and breastfeeding. NCCIH says turmeric supplements may be unsafe in pregnancy and that little is known about amounts above normal food use during breastfeeding. [30] [31]

Medicines. NCCIH advises talking with a health care provider before using any herbal product if you take any medicine. [32] Do not stop a prescribed medicine because of turmeric.

References
  1. NCCIH, Turmeric (last updated April 2025), liver. Read 2026-10-22.
  2. NCCIH, Turmeric (last updated April 2025), liver symptoms. Read 2026-10-22.
  3. NCCIH, Turmeric (last updated April 2025), background. Read 2026-10-22.
  4. NCCIH, Turmeric (last updated April 2025), curcumin. Read 2026-10-22.
  5. Upton RT et al. Concise ethnobotanical review and botanical pharmacognosy of turmeric rhizome (Curcuma longa L.). Pharm Biol 2026 (PMC13670277). Read 2026-10-22.
  6. NCCIH, Turmeric (last updated April 2025), history. Read 2026-10-22.
  7. Upton RT et al. Concise ethnobotanical review and botanical pharmacognosy of turmeric rhizome (Curcuma longa L.). Pharm Biol 2026 (PMC13670277). Read 2026-10-22.
  8. Upton RT et al. Concise ethnobotanical review and botanical pharmacognosy of turmeric rhizome (Curcuma longa L.). Pharm Biol 2026 (PMC13670277). Read 2026-10-22.
  9. NCCIH, Turmeric (last updated April 2025), how much we know. Read 2026-10-22.
  10. NCCIH, Turmeric (last updated April 2025), product variation. Read 2026-10-22.
  11. Wang Z et al. Efficacy and safety of turmeric extracts for the treatment of knee osteoarthritis: systematic review and meta-analysis of randomised controlled trials. Curr Rheumatol Rep 2021. Read 2026-10-22.
  12. Wang Z et al. Efficacy and safety of turmeric extracts for the treatment of knee osteoarthritis: systematic review and meta-analysis of randomised controlled trials. Curr Rheumatol Rep 2021. Read 2026-10-22.
  13. Wang Z et al. Efficacy and safety of turmeric extracts for the treatment of knee osteoarthritis: systematic review and meta-analysis of randomised controlled trials. Curr Rheumatol Rep 2021. Read 2026-10-22.
  14. Wang Z et al. Efficacy and safety of turmeric extracts for the treatment of knee osteoarthritis: systematic review and meta-analysis of randomised controlled trials. Curr Rheumatol Rep 2021. Read 2026-10-22.
  15. Paultre K et al. Therapeutic effects of turmeric or curcumin extract on pain and function for individuals with knee osteoarthritis: a systematic review. BMJ Open Sport Exerc Med 2021. Read 2026-10-22.
  16. NCCIH, Turmeric (last updated April 2025), osteoarthritis. Read 2026-10-22.
  17. NCCIH, Turmeric (last updated April 2025), fatty liver. Read 2026-10-22.
  18. NCCIH, Turmeric (last updated April 2025), safety. Read 2026-10-22.
  19. NCCIH, Turmeric (last updated April 2025), side effects. Read 2026-10-22.
  20. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  21. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  22. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  23. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  24. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  25. Halegoua-DeMarzio D et al. Liver injury associated with turmeric: ten cases from the Drug-Induced Liver Injury Network. Am J Med 2023. Read 2026-10-22.
  26. Forsyth JE et al. Evidence of turmeric adulteration with lead chromate across South Asia. Sci Total Environ 2024. Read 2026-10-22.
  27. Forsyth JE et al. Evidence of turmeric adulteration with lead chromate across South Asia. Sci Total Environ 2024. Read 2026-10-22.
  28. Forsyth JE et al. Evidence of turmeric adulteration with lead chromate across South Asia. Sci Total Environ 2024. Read 2026-10-22.
  29. Forsyth JE et al. Evidence of turmeric adulteration with lead chromate across South Asia. Sci Total Environ 2024. Read 2026-10-22.
  30. NCCIH, Turmeric (last updated April 2025), pregnancy. Read 2026-10-22.
  31. NCCIH, Turmeric (last updated April 2025), breastfeeding. Read 2026-10-22.
  32. NCCIH, Turmeric (last updated April 2025), medicines. Read 2026-10-22.
  33. NCCIH, Turmeric (last updated April 2025), bioavailable products. Read 2026-10-22.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.