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Dietary supplement

Spearmint Ingredients & Drug Interactions

by Herbal Terra

Spearmint label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Spearmint against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Spearmint is a dietary supplement by Herbal Terra with 1 active ingredient. Its ingredients are commonly taken for digestive upset and indigestion, nausea, hormonal acne and unwanted hair (pcos-related).Based on those ingredients, 579 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are certified organic Spearmint (Mentha spicata) dried leaf liquid extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Spearmint by Herbal Terra

Ask about any prescription or over-the-counter medication and we check it for interactions with Spearmint by Herbal Terra — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Spearmint by Herbal Terra

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Sep 10, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: certified organic Spearmint dried leaf liquid extract. It's made from the leaves of Mentha spicata, delivered as a concentrated liquid.

The extract also contains Menstruum, an inactive ingredient used in the extraction process.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Spearmint product and its label doesn't state a use — see Spearmint's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence on spearmint extract for the uses listed here — age-related cognitive decline, cognitive function, flatulence, IBS, nausea after surgery, and osteoarthritis — is insufficient to rate. That means we don't have enough reliable human trial data to say whether it works for any of these.

You'll want to talk with your doctor or pharmacist about whether spearmint makes sense for what you're hoping to treat.

The evidence, ingredient by ingredient Spearmint

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Spearmint is generally well tolerated when taken by mouth at food or tea amounts. The big caveat is that this is a concentrated supplement extract, not the mild tea you'd drink casually — concentrated forms need more caution and should be cleared with your doctor first.

Topically, spearmint oil can cause allergic skin reactions (contact dermatitis) in sensitive people, and spearmint oil in toothpaste or gum has triggered allergic swelling of the lips and mouth in some individuals. Orally, allergic swelling of the soft palate has been reported.

One trial participant taking 600 mg of spearmint extract daily reported anxiety, though it's unclear whether spearmint caused it.

Side effects, ingredient by ingredient Spearmint

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Spearmint.
  • The most serious interaction on file is rated Moderate.
  • For scale: 580 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check with your doctor or pharmacist if you take CNS depressants — sedatives, sleeping pills, anxiety medications, or anything else that slows your brain activity — because spearmint may alter their effects (Moderate severity). Also double-check if you're on any medication your doctor flagged as hard on the liver or any hepatotoxic drug, since concentrated spearmint may increase liver damage risk at high doses (Moderate severity).

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This is a concentrated spearmint extract, not the mild tea you'd buy at a grocery store, so it needs more caution and a conversation with your doctor before you start. The biggest medication concerns are CNS depressants (sleeping pills, anti-anxiety drugs) and drugs that stress the liver — check your exact medications before taking it.

If you're pregnant, the safety data are mixed, so get personalized advice from your doctor or pharmacist. For most of the uses listed, the evidence we have isn't enough to say whether it works.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2020.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Spearmint, straight from the product label.

Brand Herbal Terra
Barcode (UPC) 0606595848715
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Sep 25, 2020
DSLD ID 234471
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Organic, Gluten Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Spearmint by Herbal Terra, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
0606595848715
IngredientAmount% DV
certified organic Spearmint (Mentha spicata) dried leaf liquid extract970 mg--

Other ingredients: Menstruum

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Origin of plant material: USA.

Manufactured in the USA in an FDA registered facility

Sugar free

Dried herb/menstruum ratio: 1:3 Expertly extracted Laboratory tested 330 mg/1 mL Premium product Super concentrated liquid herbal extract

Non GMO

No artificial ingredients, GMO, gluten, color additives, fillers, preservatives or binders. Natural Gluten Free

Suggested/Recommended/Usage/Directions

Direction Shake well before use. Adults take up to 30 drops (1 mL, one full squeeze of the dropper bulb) in 3-4 fl. oz of juice or water up to 4 times a day. We recommend to seek expert medical advice before taking this or any other herbal supplements.

FDA Disclaimer Statement

Notice This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Caution May have contraindications.

Do not use if you are allergic to any ingredients.

Consult a physician before using during pregnancy, if nursing, or if you are on any medications.

Keep out of the reach of children.

Storage

Store in a cool, dry, dark place.

Formula

Mentha spicata

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Made in USA Made in an FDA registered facility Natural Gluten Free

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Spearmint by Herbal Terra label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Spearmint label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Spearmint by Herbal Terra

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Certified organic Spearmint (Mentha spicata) dried leaf liquid extract

Interacts with
579 drugs
970 mg per serving

Spearmint is a common culinary mint that is generally safe in food and tea amounts. Early research suggests possible benefits for digestion, mild horm...

Certified organic Spearmint (Mentha spicata) dried leaf liquid extract monograph & interactions

Other (inactive) ingredients: Menstruum. These complete the product’s ingredient list but are not active constituents.

Interaction report

Spearmint by Herbal Terra Drug Interactions

Want to check YOUR meds against Spearmint?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
579Drugs
579 Moderate

Ingredients driving the most interactions

certified organic Spearmint (Mentha spicata) dried leaf liquid extract 579

Individual Drug Interactions

The ingredients in Spearmint interact with 579 drugs. Click any drug to see the details.

1 of the 1 ingredient in Spearmint interact with drugs. Each result below shows which ingredient is responsible. certified organic Spearmint (Mentha spicata) dried leaf liquid extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Spearmint with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

certified organic Spearmint (Mentha spicata) dried leaf liquid extract2 drug types · 579 drugs

Cns Depressants

Theoretically, spearmint might alter the sedative effects of CNS depressants.
Animal research suggests that (-)-carvone, a major constituent of spearmint, has sedative effects. However, in humans, chewing spearmint-flavored gum induced arousal effects.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, high doses of spearmint might increase the risk of liver damage when taken with hepatotoxic drugs.
Animal research suggests that drinking spearmint tea for 30 days can increase markers of liver damage, including aspartate aminotransferase (AST) and alanine aminotransferase (ALT), and cause liver degeneration and necrosis, in a dose-dependent manner. This effect has not been reported in humans.

Likelihood Possible Evidence D
certified organic Spearmint (Mentha spicata) dried leaf liquid extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Spearmint, from the product label.

Herbal Terra

See all Herbal Terra products
Name
Herbal Terra
Pharmacist Counseling Corner

Spearmint by Herbal Terra: Common Questions

Does Spearmint by Herbal Terra interact with any medications?
Yes. Based on its ingredients, Spearmint has a known interaction with 579 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Spearmint contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is spearmint extract safe to take during pregnancy?
The data are mixed — some sources say it's likely safe, others say it's possibly unsafe. Because of this conflict, talk with your doctor or midwife before taking it if you're pregnant or planning to become pregnant. They can weigh your individual situation and give you personalized advice.
Can I take this if I'm breastfeeding?
Spearmint appears likely safe during breastfeeding according to the data we have. That said, run this by your own doctor or pharmacist to make sure it fits your specific situation.
What are the side effects I should watch for?
Taken by mouth, spearmint is generally well tolerated. The most common issues are allergic reactions — allergic skin rashes if it touches your skin, or swelling of the lips, mouth, or soft palate if you swallow it. One person in a trial reported anxiety, though it's unclear whether spearmint caused it. If you notice any rash, swelling, or unusual symptoms, stop and contact your doctor.
Does this spearmint extract actually work for memory or cognitive decline?
The evidence we have isn't enough to say one way or another. The data are insufficient to rate it for age-related cognitive decline, general cognitive function, or any of the other uses listed. Talk with your doctor about whether it makes sense to try.
Why do I need to be careful with this as a concentrated extract instead of just drinking spearmint tea?
A concentrated liquid extract is a much stronger dose than you'd get from a tea bag, and the safety data we have come mostly from food and tea amounts. At higher concentrated doses, especially taken regularly, the risks — like potential liver effects — are less well understood in humans, which is why your doctor should approve it first.
Is this product likely to make me drowsy?
Animal studies show that spearmint's compounds have sedative effects, but human data are mixed — some people chewing spearmint-flavored gum actually felt more alert. If you're taking sleeping pills or anti-anxiety medications, spearmint could theoretically change how those work, so you'll want to check with your pharmacist before combining them.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Spearmint label
Go deeper

The Full Monographs Behind Spearmint’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Spearmint

Interacts with 579 drugs

Spearmint is a common culinary mint that is generally safe in food and tea amounts. Early research suggests possible benefits for digestion, mild hormone-related issues (such as excess facia...

Read the full Spearmint monograph →
Sources

Sources & How We Checked

Spearmint's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 20 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Spearmint 20 references
  1. Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
  2. Akdogan M, Ozguner M, Aydin G, Gokalp O. Investigation of biochemical and histopathological effects of Mentha piperita Labiatae and Mentha spicata Labiatae on liver tissue in rats. Hum Exp Toxicol 2004;23:21-8.
  3. Poon, T. S. and Freeman, S. Cheilitis caused by contact allergy to anethole in spearmint flavoured toothpaste. Australas.J Dermatol. 2006;47(4):300-301. PubMed
  4. Andersen, K. E. Contact allergy to toothpaste flavors. Contact Dermatitis 1978;4(4):195-198. PubMed
  5. de Sousa, D. P., Farias Nobrega, F. F., and de Almeida, R. N. Influence of the chirality of (R)-(-)- and (S)-(+)-carvone in the central nervous system: a comparative study. Chirality 5-5-2007;19(4):264-268.
  6. Larsen, W., Nakayama, H., Fischer, T., Elsner, P., Frosch, P., Burrows, D., Jordan, W., Shaw, S., Wilkinson, J., Marks, J., Jr., Sugawara, M., Nethercott, M., and Nethercott, J. Fragrance contact dermatitis: a worldwide multicenter investigation (Part II PubMed
  7. Guney, M., Oral, B., Karahanli, N., Mungan, T., and Akdogan, M. The effect of Mentha spicata Labiatae on uterine tissue in rats. Toxicol.Ind.Health 2006;22(8):343-348.
  8. Masumoto, Y., Morinushi, T., Kawasaki, H., Ogura, T., and Takigawa, M. Effects of three principal constituents in chewing gum on electroencephalographic activity. Psychiatry Clin.Neurosci. 1999;53(1):17-23. PubMed
  9. Bulat, R., Fachnie, E., Chauhan, U., Chen, Y., and Tougas, G. Lack of effect of spearmint on lower oesophageal sphincter function and acid reflux in healthy volunteers. Aliment.Pharmacol Ther. 1999;13(6):805-812. PubMed
  10. Francalanci, S., Sertoli, A., Giorgini, S., Pigatto, P., Santucci, B., and Valsecchi, R. Multicentre study of allergic contact cheilitis from toothpastes. Contact Dermatitis 2000;43(4):216-222. PubMed
  11. Bonamonte, D., Mundo, L., Daddabbo, M., and Foti, C. Allergic contact dermatitis from Mentha spicata (spearmint). Contact Dermatitis 2001;45(5):298.
  12. Tomson, N., Murdoch, S., and Finch, T. M. The dangers of making mint sauce. Contact Dermatitis 2004;51(2):92-93. PubMed
  13. Clayton, R. and Orton, D. Contact allergy to spearmint oil in a patient with oral lichen planus. Contact Dermatitis 2004;51(5-6):314-315. PubMed
  14. Dal Sacco, D., Gibelli, D., and Gallo, R. Contact allergy in the burning mouth syndrome: a retrospective study on 38 patients. Acta Derm.Venereol. 2005;85(1):63-64. PubMed
  15. Goncalves, J. C., Oliveira, Fde S., Benedito, R. B., de Sousa, D. P., de Almeida, R. N., and de Araujo, D. A. Antinociceptive activity of (-)-carvone: evidence of association with decreased peripheral nerve excitability. Biol Pharm Bull. 2008;31(5):1017- PubMed
  16. Ormerod, A. D. and Main, R. A. Sensitisation to "sensitive teeth" toothpaste. Contact Dermatitis 1985;13(3):192-193. PubMed
  17. Skrebova, N., Brocks, K., and Karlsmark, T. Allergic contact cheilitis from spearmint oil. Contact Dermatitis 1998;39(1):35. PubMed
  18. Damiani E, Aloia AM, Priore MG, et al. Allergy to mint (Mentha spicata). J Investig Allergol Clin Immunol 2012;22:309-10.
  19. Connelly AE, Tucker AJ, Tulk H, et al. High-rosmarinic acid spearmint tea in the management of knee osteoarthritis symptoms. J Med Food 2014;17:1361-7. PubMed
  20. Lasrado JA, Nieman KM, Fonseca BA, et al. Safety and tolerability of a dried aqueous spearmint extract. Regul Toxicol Pharmacol 2017;86:167-176. PubMed

See these in context on the Spearmint monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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