Quality, Labels & Product Selection
How to read a herbal tea label: plant names and parts, blends and caffeine, standardization claims, and where contamination and mislabeling can arise. No brands, no rankings.
Content last updated . This page has not been medically reviewed.
Safety first. Natural products can cause side effects and interact with medicines. Read herbal tea and extract safety before you use anything on this page.
A herbal tea label answers some questions and leaves others open. This page is the overview of the quality pages in this library: what a label can tell you, what it cannot, and where to read more. We name no brands and rank nothing.
Read this first. The quality problems the sources describe are mostly about what is not on the label: a look-alike plant, a contaminant, or an ingredient hidden in a blend. If you are pregnant, breastfeeding, giving tea to a child, or taking medicines, ask a pharmacist or clinician about the specific ingredients. See how interactions work and product quality and contamination.
What a label can and cannot tell you
NIH's National Center for Complementary and Integrative Health (NCCIH) says what is on the label may not be what is in the product, and gives the example of prescription drugs found by the FDA in products sold as dietary supplements. [1] Whether this has been found in herbal teas is not described in the sources we read for this page.Rules also depend on how a tea is sold. The FDA says a dietary supplement can come in the same form as a conventional food such as a tea, but only if it is not represented as a conventional food. [2] The FDA also says it does not have the authority to approve dietary supplements before they are marketed. [2] For how this plays out for teas, see are herbal teas regulated.
Botanical names and plant parts
For botanical ingredients in dietary supplements, US rules require the part of the plant (for example root or leaves), written in English, and the Latin binomial name in some cases. [3] Whether the same rule applies to a tea sold as a conventional food is not described in the sources we read. The same common name can still hide a difference:| Label says | What the sources say | Why it matters |
|---|---|---|
| "Chamomile" | The EU monograph covers the flowers of Matricaria recutita L. [4] GBIF lists that name as a synonym of Matricaria chamomilla L., and Roman chamomile (Chamaemelum nobile) as a separate accepted species; both are in the daisy family (Asteraceae). [5] | The EU monograph lists hypersensitivity to other plants of the Asteraceae family as a contraindication. [4] |
| "Dandelion" | The EU monograph we read covers the dried leaves of Taraxacum officinale Weber ex Wigg. [6] | A leaf product and a root product are different plant parts; the sources we read for this page do not cover dandelion root. |
| "Star anise" | A US case series reported 7 infants with neurologic reactions after star anise tea, and found evidence that Chinese star anise (Illicium verum) had been contaminated with Japanese star anise (Illicium anisatum). [7] | Case reports; see adulteration, mold and mislabeling. |
| "Licorice" | NIH says many "licorice" products sold in the United States do not contain actual licorice, because anise oil is often used instead. [8] | The NIH page is about licorice products in general, not teas specifically. See licorice in tea blends. |
Blends, "natural flavors" and caffeine
A review in the open literature defines herbal tea ("tisanes") as the infusion of plants other than Camellia sinensis, and also describes "crossover" mixes that combine Camellia sinensis with herbs. [9] So a blend sold under a "herbal" name can include true tea leaves. The same review says herbal teas do not contain caffeine; that is a broad statement, and a caffeinated herbal drink is covered on the yerba mate page. [9]The FDA says packaged foods must list caffeine in the ingredient list when it is added as a stand-alone ingredient, that many products voluntarily give the amount, and that "decaffeinated" does not mean caffeine-free. [10]
Under US food rules, "natural flavor" is a defined term that includes essential oils, extractives and distillates whose main function in food is flavoring. [11] For supplements, the FDA says amounts need not be given for ingredients inside a proprietary blend. [2] See what blend labels hide.
Standardization, "verified" and "certified"
NCCIH says a manufacturer's use of "standardized", "verified" or "certified" does not necessarily guarantee product quality or consistency. [1] For extracts see standardized extracts and marker compounds. For what testing and seals can and cannot show, see testing and certifications.What studies of real samples found
| Question | What the source found | Strength of evidence | Form studied |
|---|---|---|---|
| Pesticide residues? | In a Polish survey of 64 teas (including lemon balm and mint), 47% had residues and 2% exceeded the EU maximum residue level. [12] | Survey of samples | Dry tea and infusion |
| Metals? | Across 47 teas from 13 countries, herbal teas on average had higher arsenic, cadmium and lead than traditional (Camellia sinensis) teas. [13] | Survey of samples | Dry tea and infusion |
| Mold and mold toxins? | In 166 teas sold in Latvia (140 Camellia sinensis, 26 herbal), 87% carried fungi and 42% had one or more mycotoxins. [14] | Survey of samples | Dry tea |
| Natural plant toxins? | The German BfR measured pyrrolizidine alkaloids from 0 to 3.4 mg per kg of dry product in 221 herbal tea, tea and herb samples; it says the tea varieties were not a representative selection. [15] | Survey; risk opinion | Dry product |
Each of these has its own page: organic labels and pesticides and heavy metals. The risk assessments in these studies were mostly low, but they are not representative of every product, and they cannot be read as a safety guarantee for a particular tea.
Organic and testing
USDA organic labels describe how a product was produced and certified (see the organic page above). Whether organic herbal teas have lower residues than conventional ones: Proper evidence not found. [16] We do not rank brands and have not verified any certification program.Storage and shelf life
We do not give shelf-life numbers here. See storing herbal tea and follow the product's own use-by information.Frequently asked questions
Does "natural" on a tea box mean it is safe?
No. NCCIH says many dietary supplements come from natural sources, but "natural" does not always mean "safe". [1]
Is a herbal tea always caffeine-free?
One review says herbal teas do not contain caffeine, but it also describes blends that combine true tea leaves with herbs. [9] The FDA says decaffeinated drinks still contain some caffeine and that added caffeine must be listed as an ingredient on packaged foods. [10] Read the whole ingredient list.
Why do some labels give Latin names?
US rules for supplement botanicals call for the plant part and, in some cases, the Latin binomial. [3] Latin names help separate plants that share a common name, such as the chamomiles above. [5]
Does "standardized" or "certified" mean a tea has been tested?
Not necessarily. NCCIH says those words do not necessarily guarantee product quality or consistency. [1]
Who should ask a professional before choosing a herbal tea?
Anyone who takes medicines, is pregnant or breastfeeding, has a plant allergy, or is choosing tea for a child. The German BfR advises parents not to offer children herbal teas exclusively and suggests pregnant and breastfeeding women vary their drinks. [15] A pharmacist can read the ingredient list with you.
References
- National Center for Complementary and Integrative Health (NIH). Using Dietary Supplements Wisely. Last updated January 2019. Read 2026-10-23.
- U.S. Food and Drug Administration. Questions and Answers on Dietary Supplements. Page current as of 27 August 2026. Read 2026-10-23.
- Electronic Code of Federal Regulations, 21 CFR 101.4, Food labeling: food; designation of ingredients, as displayed by Cornell Law School Legal Information Institute. 21 CFR 101.4. Read 2026-10-23.
- European Medicines Agency, Committee on Herbal Medicinal Products (HMPC). European Union herbal monograph on Matricaria recutita L., flos, EMA/HMPC/55843/2011, adopted 7 July 2015. Read 2026-10-23.
- GBIF Secretariat. GBIF Backbone Taxonomy species match. Names, status and families checked 2026-10-23 through the GBIF species API.
- European Medicines Agency, Committee on Herbal Medicinal Products (HMPC). Community herbal monograph on Taraxacum officinale Weber ex Wigg., folium, EMA/HMPC/579636/2008, 12 November 2009. Read 2026-10-23.
- Ize-Ludlow D, et al. Neurotoxicities in infants seen with the consumption of star anise tea. Pediatrics. 2004;114(5):e653-6. Case series. PubMed 15492355. Abstract read 2026-10-23.
- National Center for Complementary and Integrative Health (NIH). Licorice Root: Usefulness and Safety. Last updated April 2025. Read 2026-10-23.
- Exploring the ancient roots and modern global brews of tea and herbal beverages: A comprehensive review of origins, types, health benefits, market dynamics, and future trends. Open-access review article in PubMed Central. Read 2026-10-23.
- U.S. Food and Drug Administration. Spilling the Beans: How Much Caffeine is Too Much? Consumer update, page current as of 28 August 2024. Read 2026-10-23.
- Electronic Code of Federal Regulations, 21 CFR 101.22, Foods; labeling of spices, flavorings, colorings and chemical preservatives, as displayed by Cornell Law School Legal Information Institute. 21 CFR 101.22. Read 2026-10-23.
- Kaczyński P, et al. Pesticide residues in common and herbal teas combined with risk assessment and transfer to the infusion. Chemosphere. 2024;367:143550. PubMed 39426745. Abstract read 2026-10-23.
- de Oliveira LM, et al. Metal concentrations in traditional and herbal teas and their potential risks to human health. Sci Total Environ. 2018;633:649-657. PubMed 29597162. Abstract read 2026-10-23.
- Reinholds I, et al. Determination of Fungi and Multi-Class Mycotoxins in Camelia Sinensis and Herbal Teas and Dietary Exposure Assessment. Toxins (Basel). 2020. PubMed 32872457. Abstract read 2026-10-23.
- German Federal Institute for Risk Assessment (BfR). Pyrrolizidine alkaloids in herbal teas and teas, BfR Opinion No. 018/2013, 5 July 2013. Read 2026-10-23.
- National Library of Medicine. PubMed, searched through the NCBI E-utilities on 2026-10-23. Queries and record counts are listed in the evidence log.