No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Tonka Ingredients & Drug Interactions

by Hawaii Pharm

Tonka label
See full label image
Liquid Category: Botanical
No known interaction
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Tonka 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 No known interaction

Tonka is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for flavoring in food and desserts, fragrance and perfume, cough and sore throat (traditional).We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

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HelloPharmacist Scorecard of Tonka by Hawaii Pharm

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 17, 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: tonka bean extract (dry form). Tonka bean is a tropical plant pod traditionally used for flavoring, though it's also been used in herbal medicine.

The liquid formula also includes alcohol, water, and glycerin as inactive ingredients to deliver the extract.

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 Tonka Bean product and its label doesn't state a use — see Tonka Bean'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.

We don't have effectiveness data on file for tonka bean extract. The facts we hold don't include evidence ratings for what this ingredient may or may not do.

If you're considering it for a specific health goal, that's a conversation worth having with your doctor or pharmacist.

The evidence, ingredient by ingredient Tonka Bean

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.

Tonka bean carries real safety concerns you should know about. It's high in coumarin, a compound that can harm your liver, especially at larger doses — which is why it's restricted as a food additive in many countries.

At typical doses, people have reported nausea, vomiting, diarrhea, dizziness, and insomnia. Rarely, liver toxicity and heart rhythm problems have occurred.

The safety data advises against use during pregnancy because of coumarin exposure and a lack of safety information. The same goes for breastfeeding — avoid it while nursing due to coumarin and no safety data.

If you're pregnant, trying to become pregnant, or breastfeeding, this product is not for you.

Side effects, ingredient by ingredient Tonka Bean

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for tonka bean. You're clear on the medication-interaction side — but that doesn't mean the product is risk-free overall.

Discuss it with your own doctor or pharmacist before starting, particularly if you have liver disease or a heart rhythm condition.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Hawaii Pharm's Tonka extract doesn't interact with medications, but tonka bean itself carries safety risks — liver toxicity from its coumarin content, and common side effects like nausea, dizziness, and insomnia. It's unsafe in pregnancy and while breastfeeding.

Talk with your doctor or pharmacist before starting, especially if you have liver concerns or heart issues.

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 Oct 24, 2023.

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 Tonka, straight from the product label.

Brand Hawaii Pharm
Barcode (UPC) 840253652874
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Oct 24, 2023
DSLD ID 301937
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 Tonka by Hawaii Pharm, 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:
0.7 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
840253652874
IngredientAmount% DV
Tonka Bean Extract, Dry983 mg--

Other ingredients: Alcohol, Water, Glycerin

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.
Brand IP Statement(s)

Hawaii Pharm Herbal Extract Highest quality since 2008

Suggested/Recommended/Usage/Directions

Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.

Precautions

Warning: We recommend to seek expert medical advice before taking.

Do not use if you are allergic to any ingredients.

Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.

Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.

May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.

Keep out of the reach of children!

Storage

Store in a cool dry place.

Seals/Symbols

cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.

Organic Alcohol Based USA Made in United States of America

FDA Disclaimer Statement

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

General Statements

Scan this QR-code to get 15% discount on your next purchase. Limited time deal.

Formula

Dipteryx odorata

Organic Alcohol Based

Formulation

Only natural ingredients Purity is laboratory tested and verified

All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives

Not tested on animals

Organic Alcohol Based

Made in USA, Hawaii

FDA Statement of Identity

Herbal Supplement

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

See for yourself

Tonka by Hawaii Pharm label

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

Tonka 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 Tonka by Hawaii Pharm

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

Serving size0.7 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Tonka Bean Extract, Dry

No known
interactions
983 mg per serving Form: Dipteryx odorata Bean Extract, Dry

Tonka bean comes from the seed of a South American tree and is prized for its sweet, vanilla-like aroma in perfumes and cooking. It contains coumarin,...

Tonka Bean Extract, Dry monograph & interactions

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

Interaction report

Tonka by Hawaii Pharm Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Tonka. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

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

Hawaii Pharm

See all Hawaii Pharm products
Name
Hawaii Pharm LLC
Street Address
510 Sumner St. Ste. 613
City
Honolulu
State
HI
ZipCode
96817
Phone Number
888-854-2924
Web Address
www.hawaiipharm.com
Pharmacist Counseling Corner

Tonka by Hawaii Pharm: Common Questions

Does Tonka by Hawaii Pharm interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Tonka. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Tonka 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 tonka bean safe during pregnancy?
No — the safety data advises against it. Tonka bean is high in coumarin, which raises liver and safety concerns in pregnancy, and there isn't enough information to know it's safe for you or your baby. Don't use it if you're pregnant or trying to become pregnant.
Can I take tonka bean while breastfeeding?
No, avoid it. Coumarin from tonka bean would pass into breast milk, and we don't have safety data on that exposure for a nursing infant. Talk with your doctor or pharmacist about alternatives if you're breastfeeding.
What side effects might I get from tonka bean?
The most common ones reported are nausea, vomiting, diarrhea, dizziness, and insomnia. Rarely, liver toxicity and heart rhythm problems have been reported — which is why it's important to check with your doctor before starting, especially if you have liver or heart concerns.
Why is tonka bean restricted in some countries?
It's high in coumarin, a compound that can damage your liver at higher amounts. Many countries restrict it as a food additive because of this risk, which is why you should know what you're taking before you start.
Does tonka bean interact with my medications?
No interactions are documented in our data for tonka bean, so from a drug-interaction standpoint you're clear. But that doesn't cover all the safety concerns — talk with your doctor or pharmacist about whether this product is right for you overall.

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

Not sure if Tonka is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

Tonka label
Go deeper

The Full Monographs Behind Tonka’s Ingredients

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

Herb & supplement monograph

Tonka Bean

Tonka bean comes from the seed of a South American tree and is prized for its sweet, vanilla-like aroma in perfumes and cooking. It contains coumarin, which can be toxic to the liver and is...

Read the full Tonka Bean monograph →
Sources

Sources & How We Checked

Tonka'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 4 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.

Tonka Bean 4 references
  1. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  2. Mohler JL, Gomella LG, Crawford ED, et al. Phase II evaluation of coumarin (1,2-benzopyrone) in metastatic prostatic carcinoma. Prostate 1992;20:123-31. PubMed
  3. Marshall ME, Butler K, Fried A. Phase I evaluation of coumarin (1,2 benzopyrone) and cimetidine in patients with advanced malignancies. Mol Biother 1991;3:170-8.
  4. Cox D, O'Kennedy R, Thornes RD. The rarity of toxicity in patients treated with coumarin (1,2-benzopyrone). Hum Toxicol 1989;8:501-6.

See these in context on the Tonka Bean 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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