Herb & supplement monograph

Tamarind Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated June 2026

What is this page for?

First and foremost: how Tamarind interacts with medications. The heart of this page is the interaction list — every drug Tamarind is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Tamarind is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Tamarind Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Tamarind drug interaction appears low for most people, though a few combinations deserve routine attention. None of the listed interactions are rated major, and most rest on animal research or limited human findings rather than proven harm in people.

Interactions deserving the most attention

The best-documented concern involves common pain relievers: small human studies suggest tamarind fruit extract can increase how much aspirin and ibuprofen the body absorbs, which could strengthen both their effects and their side effects. People taking diabetes medications should also keep an eye on their blood sugar, since animal research suggests tamarind seed extract may lower glucose and could add to these drugs' effects. Neither concern is proven to cause harm in people, but both involve medicines where a shift in effect is worth noticing.

What the rest of the list means

The long list of interacting medications largely reflects these broad, category-wide concerns applied across many individual drugs. That does not mean every combination is risky in practice; most of the predictions come from animal studies or theory, and clinically meaningful problems in people have not been clearly shown.

Check your medications against Tamarind

Based on HelloPharmacist’s Tamarind interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Tamarind

130 medications have a known interaction with Tamarind, graded by severity. Select any drug for the full evidence-based detail.

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Tamarind using our pharmacist-reviewed interaction data.

AI summaries are generated from our Tamarind interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
Each drug listed above links to the full report for that exact Tamarind combination — clinical detail, likelihood, evidence level, and citations.
Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

The big picture

The kinds of drugs Tamarind affects

Every type of medication (drug category) Tamarind is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 3 drug categories Tamarind interacts with

Antidiabetes DrugsAspirinIbuprofen (advil, Others)

Antidiabetes Drugs

Theoretically, tamarind seed extract might have additive effects when used with antidiabetes drugs.
Animal research suggests that an extract of tamarind seed can reduce fasting blood glucose levels. Monitor blood glucose levels closely. Dose adjustments might be necessary.

Likelihood Possible Evidence D

Aspirin

Theoretically, tamarind fruit extract might increase the effects and side effects of aspirin.
Taking tamarind fruit extract as a component of millet porridge concurrently with aspirin seems to increase aspirin absorption and blood levels.

Likelihood Possible Evidence B

Ibuprofen (Advil, Others)

Theoretically, tamarind fruit extract might increase the effects and side effects of ibuprofen.
Taking tamarind fruit extract as a component of millet porridge concurrently with ibuprofen seems to increase ibuprofen absorption and blood levels.

Likelihood Possible Evidence B

Monograph

Tamarind: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed June 2026 ·

The bottom line

Tamarind is a tangy tropical fruit widely used in cooking and traditional medicine, mainly for digestion and as a mild laxative. While it is a nutritious food, strong human evidence for most of its medicinal claims is limited, so use it mainly as a food and talk to your pharmacist before using concentrated supplements.

Scientific name: Tamarindus indica
Family: Fabaceae
Part used: Fruit pulp, seeds, leaves, and bark
Common forms: Fruit pulp, paste, juice, candy, capsules, powder, and extracts

People commonly use it for

Constipation and digestive upset
Culinary flavoring
Fever and sore throat
Antioxidant support
Traditional wound or skin care

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance

OverallLikely safe

Tamarind is generally safe when eaten as a food in normal amounts.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using in amounts greater than those found in foods.

Read the full pregnancy detail

BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using in amounts greater than those found in foods.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

Tamarind comes from the tree Tamarindus indica, which produces long brown pods filled with a sticky, sweet-and-sour pulp. The tree is native to Africa but now grows in many warm regions, including India, Southeast Asia, and parts of the Americas.

People use tamarind mostly as a food. Its pulp adds a tangy flavor to sauces, drinks, candies, and dishes around the world. In traditional medicine systems, different parts of the plant — the pulp, seeds, leaves, and bark — have also been used to help with digestion, fevers, and other ailments.

How it works

Tamarind contains fiber, organic acids (such as tartaric acid), and plant compounds called polyphenols and flavonoids. The fiber and acids may help move things along in the gut, which could explain its traditional use as a gentle laxative.

The polyphenols may act as antioxidants, helping to neutralize unstable molecules in the body. Laboratory studies have also looked at possible anti-inflammatory and antimicrobial effects. These mechanisms are mostly based on test-tube and animal research, so it is not clear how strongly they apply to people eating normal amounts.

Effectiveness

Does Tamarind work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 10 uses evaluated

2 Possibly effective 1 Leans ineffective 7 Insufficient evidence

How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.

2Likely EffectiveGood evidence, though not yet conclusive.

3Possibly EffectiveSome evidence suggests a benefit.

4Possibly IneffectiveSome evidence it may not help.

5Likely IneffectiveFairly strong evidence it doesn’t help.

6IneffectiveStrong evidence it doesn’t work.

7Insufficient Reliable Evidence to RateToo little research to say either way.

Possibly Effective Dry eye