Gymnema Extract Ingredients & Drug Interactions
by Herbadiet
What is this page for?
First and foremost: checking Gymnema Extract 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
Gymnema Extract is a dietary supplement by Herbadiet with 1 active ingredient. Its ingredients are commonly taken for blood sugar support, type 2 diabetes, sugar cravings.Based on those ingredients, 851 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Gymnema sylvestre leaf extract powder. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Gymnema Extract by Herbadiet
Ask about any prescription or over-the-counter medication and we check it for interactions with Gymnema Extract by Herbadiet — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
Ask the Pharmacist
A licensed pharmacist will answer your question by email — free, usually within 24 hours.
Got it — thank you!
A licensed pharmacist will answer within 24 hours. Keep an eye on your email (worth checking spam, just in case).
HelloPharmacist Scorecard of Gymnema Extract by Herbadiet
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.
What’s inside
Full disclosure
This product contains one active ingredient: gymnema sylvestre leaf extract powder. Gymnema is a plant used traditionally in Ayurvedic medicine, and it's been studied for its potential effects on blood sugar levels.
There are no inactive ingredients listed for this powder.
Does it work?
Insufficient evidence
The evidence for gymnema isn't yet established. Our data rates it as having insufficient reliable evidence for diabetes, prediabetes (impaired glucose tolerance), obesity, and metabolic syndrome—meaning the studies so far don't give us a clear picture of whether it works for these purposes.
That doesn't mean it doesn't work; it means we need more robust research before we can say.
How safe is it?
Well-documented data
Gymnema is generally well tolerated in the short term, but quality varies between products, so know your source. The biggest safety caution is that it lowers blood sugar—important if you're managing diabetes or taking diabetes medications.
There's also a rare case report of drug-induced hepatitis (liver inflammation) involving weakness, fatigue, jaundice, and elevated liver enzymes in someone drinking gymnema tea three times daily for 10 days, which resolved after treatment and six months. Because there isn't enough safety data, gymnema is best avoided during pregnancy and while breastfeeding.
Meds to double-check
Moderate interaction found
Check before taking if you use antidiabetes drugs (risk of low blood sugar), or any medications broken down by the liver enzymes CYP1A2 and CYP2C9—including certain pain relievers, blood pressure drugs, and others. CYP3A4 substrates are a minor concern.
Your pharmacist can look up your specific medications.
The bottom line
Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Gymnema extract may appeal to someone curious about traditional blood-sugar support, but the effectiveness evidence isn't solid yet. If you take diabetes medications, blood thinners, or other drugs metabolized by your liver, you'll want to check with your doctor or pharmacist before adding this—the enzyme interactions are real and could shift your drug levels.
Pregnancy and breastfeeding are reasons to skip it. Have a conversation with your own healthcare provider about whether this fits your situation.
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 Feb 25, 2021.
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
General information
Key facts about Gymnema Extract, straight from the product label.
| Brand | Herbadiet |
|---|---|
| Net contents | 0 Not Present |
| Market status | On market |
| Date entered into DSLD | Feb 25, 2021 |
| DSLD ID | 244355 |
| Product type | Botanical |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free |
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 Gymnema Extract by Herbadiet, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Gymnema sylvestre leaf extract powder | 200 mg | -- |
Tap any ingredient to jump to its full detail below.
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
Diabetic Support
Standardized Extract Powder Derived from Gymnema Sylvestre Leaves
Free of fillers, binders, artificial ingredients, dairy, soy, wheat, gluten, yeast
V Vegan
Ethically Sourced Scientifically Tested Premium Grade Ingredients
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take up to 400mg daily, or as directed by physician.
Precautions
Keep out of reach of children.
Warning: Pregnant or lactating women should consult your physician before use.
Storage
Store in a dry, cool & dark.
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
General Statements
Batch No. ARK-P15
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Gymnema Extract by Herbadiet label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Gymnema Extract by Herbadiet
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size200 mg Dosage formPowder Amounts shown are per serving.
Gymnema sylvestre leaf extract powder
Interacts with851 drugs
Gymnema is an Ayurvedic herb best known for possibly helping lower blood sugar and reducing the taste of sweetness on the tongue. Some early human stu...
Gymnema sylvestre leaf extract powder monograph & interactionsGymnema Extract by Herbadiet Drug Interactions
HelloPharmacist Interaction Report
Gymnema sylvestre extract by Herbadiet does interact with medications, primarily through effects on how your liver processes drugs.
The biggest concern is with antidiabetes medications—gymnema lowers blood sugar on its own, and when combined with diabetes drugs, it may raise the risk of low blood sugar (hypoglycemia).
Read the full breakdown — every affected drug type, severity by severity
Gymnema also affects several liver enzymes (CYP1A2, CYP2C9, and CYP3A4) that break down many common medications. With CYP1A2 and CYP2C9 substrates, the extract may increase or alter drug levels in your bloodstream—animal studies show it can raise levels of some drugs (like phenacetin) while decreasing others (like tolbutamide).
These are moderate-severity concerns. With CYP3A4 substrates, the effect is minor and inconsistent; one study showed gymnema might block this enzyme slightly, but others found no effect at all.
Alternatively—wait, I need to use correct connectors. The phenacetin and tolbutamide interactions listed above are examples of the CYP enzyme effects already covered, so we don't repeat them.
Altogether, these interactions span 852 individual medications.
Before you start this product, run your exact medications through the checker below—especially if you take diabetes drugs, or anything metabolized by these liver enzymes.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Gymnema Extract?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Gymnema Extract interact with 851 drugs. Click any drug to see the details.
1 of the 1 ingredient in Gymnema Extract interact with drugs. Each result below shows which ingredient is responsible. Gymnema sylvestre leaf extract powder
AbrocitinibCibinqo
How Abrocitinib interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase or decrease levels of drugs metabolized by CYP2C9.
Read the full Gymnema Sylvestre Leaf Extract Powder + Abrocitinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking gymnema with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acarbose interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Phenylpropanolamine, OpiumHista-Derfule
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Opium interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Opium interactionAcetaminophen, Chlorpheniramine, Phenylpropanolamine, PhenyltoloxamineNorel Plus
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Phenyltoloxamine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Phenyltoloxamine interactionAcetaminophen, Chlorpheniramine, PseudoephedrineAlka-Seltzer PLUS Liquid Gels, Children's Tylenol Cold, Codimal, Comtrex, Extra Strength Tylenol Allergy Sinus, Lorsin +3 more
How Acetaminophen, Chlorpheniramine, Pseudoephedrine interacts with Gymnema Extract — through 1 ingredient. Tap an ingredient for the detail:
Gymnema Sylvestre Leaf Extract PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Read the full Gymnema Sylvestre Leaf Extract Powder + Acetaminophen, Chlorpheniramine, Pseudoephedrine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Gymnema Extract 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.
Gymnema sylvestre leaf extract powder
Antidiabetes Drugs
Theoretically, taking gymnema with antidiabetes drugs might increase the risk of hypoglycemia.
Gymnema reduces blood glucose levels in some human and animal research. In human studies, it has been shown to enhance the blood glucose lowering effects of hypoglycemic drugs. However, other research in adults with prediabetes or metabolic syndrome suggests that gymnema does not reduce fasting levels of blood glucose. Until more is known, monitor blood glucose levels closely.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Animal and in vitro research shows that gymnema can inhibit the CYP1A2 enzyme. In one animal study, oral administration of gymnema for 7 days increased the plasma concentrations of phenacetin, a CYP1A2 substrate, by about 1.4-fold and reduced the clearance of phenacetin by about 29%.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, gymnema might increase or decrease levels of drugs metabolized by CYP2C9.
Animal research shows that gymnema can induce the CYP2C9 enzyme. In one animal study, gymnema caused a 2.4-fold increase in the clearance of tolbutamide, a CYP2C9 substrate, in rats. In vitro research also shows that gymnema can inhibit CYP2C9.
Phenacetin
Theoretically, taking gymnema with phenacetin might increase the levels of phenacetin.
Animal research shows that gymnema, administered orally for 7 days, decreases the clearance of phenacetin in a dose-dependent manner by about 21% to 29% and increases plasma levels about 1.3- to 1.4-fold when compared to control.
Tolbutamide (Orinase)
Theoretically, taking gymnema with tolbutamide might the decrease levels of tolbutamide.
Animal research shows that gymnema, administered orally for 7 days, increases the clearance of tolbutamide by 2.4-fold when compared to control.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
One in vitro study using rat liver microsomes shows that gymnema can modestly inhibit the CYP3A4 enzyme. However, other in vitro research using human liver microsomes shows that gymnema does not affect CYP3A4 activity. Animal research also shows that gymnema does not alter the function of CYP3A4. In one study in rats, oral administration of gymnema for 7 days did not alter the clearance of amlodipine, a CYP3A4 substrate.
Brand information
Manufacturer and brand details for Gymnema Extract, from the product label.
Herbadiet
See all Herbadiet products- Name
- Arkure Health Care
- Street Address
- 11, Sector - 14
- City
- Rohtak
- State
- Haryana
- ZipCode
- 124001
- Web Address
- www.herbadiet.in
Gymnema Extract by Herbadiet: Common Questions
Does Gymnema Extract by Herbadiet interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will gymnema lower my blood sugar if I'm not diabetic?
Is gymnema safe to take while I'm pregnant or nursing?
What is gymnema actually used for?
Can gymnema damage my liver?
Does this powder have any fillers or other ingredients?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Gymnema Extract is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Gymnema Extract’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Gymnema Extract'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 12 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.
Gymnema 12 references
- Shanmugasundaram ER, Rajeswari G, Baskaran K, et al. Use of Gymnema sylvestre leaf extract in the control of blood glucose in insulin-dependent diabetes mellitus. J Ethnopharmacol 1990;30:281-94. PubMed
- Baskaran K, Kizar Ahamath B, Radha Shanmugasundaram K, Shanmugasundaram ER. Antidiabetic effect of leaf extract from Gymnema sylvestre in non-insulin-dependent diabetes mellitus patients. J Ethnopharmacol 1990;30:295-300.
- Kamble B, Gupta A, Moothedath I, Khatal L, Janrao S, Jadhav A, et al. Effects of Gymnema sylvestre extract on the pharmacokinetics and pharmacodynamics of glimepiride in streptozotocin induced diabetic rats. Chem Biol Interact. 2016;245:30-8. PubMed
- Tiwari P, Mishra BN, Sangwan NS. Phytochemical and pharmacological properties of Gymnema sylvestre: an important medicinal plant. Biomed Res Int. 2014; 2014:830285.
- Fabio GD, Romanucci V, De Marco A, Zarrelli A. Triterpenoids from Gymnema sylvestre and their pharmacological activities. Molecules. 2014;19(8):10956-81. PubMed
- Shiyovich A, Sztarkier I, Nesher L. Toxic hepatitis induced by Gymnema sylvestre, a natural remedy for type 2 diabetes mellitus. Am J Med Sci. 2010;340(6):514-7. PubMed
- Zuniga LY, Gonzalez-Ortiz M, Martinez-Abundis E. Effect of gymnema sylvestre administration on metabolic syndrome, insulin sensitivity, and insulin secretion. J Med Food. 2017 Aug;20(8):750-54.
- Rammohan B, Samit K, Chinmoy D, et al. Human cytochrome P450 enzyme modulation by gymnema sylvestre: a predictive safety evaluation by LC-MS/MS. Pharmacogn Mag. 2016 Jul;12(Suppl 4):S389-S394.
- Vaghela M, Sahu N, Kharkar P, Pandita N. In vivo pharmacokinetic interaction by ethanolic extract of gymnema sylvestre with CYP2C9 (tolbutamide), CYP3A4 (amlodipine) and CYP1A2 (phenacetin) in rats. Chem Biol Interact. 2017 Dec 25;278:141-151. PubMed
- Vaghela M, Iyer K, Pandita N. In vitro inhibitory effect of gymnema sylvestre extracts and total gymnemic acids fraction on select cytochrome P450 activities in rat liver microsomes. Eur J Drug Metab Pharmacokinet. 2017 Oct 10. PubMed
- Gaytán Martínez LA, Sánchez-Ruiz LA, Zuñiga LY, González-Ortiz M, Martínez-Abundis E. Effect of Gymnema sylvestre administration on glycemic control, insulin secretion, and insulin sensitivity in patients with impaired glucose tolerance. J Med Food. 2021;
- Philips CA, Theruvath AH, Ravindran R. Toxic hepatitis-associated aplastic anaemia after dual homeopathic remedies and Gymnema sylvestre use. BMJ Case Rep 2022;15(3):e247867. PubMed
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