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Dietary supplement

Bitter Melon Extract Ingredients & Drug Interactions

by BulkSupplements.com

Powder Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Bitter Melon Extract is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for blood sugar support, diabetes, digestive complaints.Based on those ingredients, 282 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Bitter Melon extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Bitter Melon Extract by BulkSupplements.com

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

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 a single active ingredient: bitter melon extract. Bitter melon is a tropical fruit used traditionally in herbal medicine, and the extract concentrates its compounds into powder form.

There are no other inactive ingredients or fillers listed.

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 Bitter Melon product and its label doesn't state a use — see Bitter Melon'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 we hold for bitter melon extract is limited. It's rated as having insufficient reliable evidence for amenorrhea, athletic performance, liver disease, constipation, diabetes, and indigestion.

That doesn't mean it doesn't work — it means the research so far isn't strong enough for us to make a confident claim about whether it does. If you're considering it for one of these purposes, talk with your pharmacist about what the current evidence looks like and whether it makes sense for your situation.

The evidence, ingredient by ingredient Bitter Melon

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.

Bitter melon is generally well tolerated when taken by mouth, but it can cause gastrointestinal side effects. The most common ones are heartburn, nausea, vomiting, diarrhea, constipation, bloating, and belly discomfort — these showed up in about 3% to 16% of people in studies.

You might also experience dizziness, fatigue, or headache. Rarely, it's been linked to dangerously low blood sugar (hypoglycemic coma) in children, and one case report documented kidney inflammation after long-term use of high doses.

Bitter melon is traditionally avoided in pregnancy because the seeds and high doses may cause uterine effects or other harm. For breastfeeding, there isn't enough reliable safety information, so it's best to avoid it.

If you're pregnant or nursing, talk with your doctor or pharmacist before using this product.

Side effects, ingredient by ingredient Bitter Melon

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 — Bitter Melon.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 282 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.

If you take any blood sugar–lowering medication (diabetes drugs), you'll need to check your blood glucose closely and discuss this with us first — there's a real risk of going too low. Also double-check if you're on any cancer medications, especially pazopanib, or any other drug that uses the P-glycoprotein transporter in your gut.

If you're unsure, use the search tool on this page with your medication list.

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.

Bitter melon extract may be worth considering if you're interested in traditional herbal approaches, but the evidence for its effectiveness is limited. The main concern is with anyone taking diabetes medications or cancer drugs — those interactions are real and need to be checked first.

If you're pregnant, breastfeeding, or have any stomach sensitivity, talk with your pharmacist before starting.

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 Jun 23, 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

At a glance

General information

Key facts about Bitter Melon Extract, straight from the product label.

Brand BulkSupplements.com
Barcode (UPC) X000ZOQ7ZJ
Net contents 1 kg; 35.3 oz
Market status On market
Date entered into DSLD Jun 23, 2021
DSLD ID 252474
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy 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 Bitter Melon Extract by BulkSupplements.com, 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:
750 mg
Maximum serving Sizes:
750 mg
Servings per container
1333
UPC/BARCODE
X000ZOQ7ZJ
IngredientAmount% DV
Bitter Melon extract750 mg--

Other ingredients: None

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.
General Statements

Clean & pure bulk supplements

New - Bulksupplements Bitter Melon Extract Powder (1 Kilogram)

Formulation

Free of: Added sugar, soy, dairy, yeast, gluten.

Color may vary

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take 750 mg (about 1/3 tsp) once daily with meal, or as directed by a physician.

Storage

Store in a dry, cool place.

FDA Disclaimer Statement

Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

See for yourself

Bitter Melon Extract by BulkSupplements.com label

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

What’s inside

The Ingredients in Bitter Melon Extract by BulkSupplements.com

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

Serving size750 mg Dosage formPowder Servings per container1333 Amounts shown are per serving.

Bitter Melon extract

Interacts with
282 drugs
750 mg per serving

Bitter melon is a tropical fruit eaten as food and used in traditional medicine, most often for blood sugar control. While some small studies hint it...

Bitter Melon extract monograph & interactions

Other (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.

Interaction report

Bitter Melon Extract by BulkSupplements.com Drug Interactions

Want to check YOUR meds against Bitter Melon 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 checker
282Drugs
282 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Bitter Melon 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.

Bitter Melon extract3 drug types · 282 drugs

Antidiabetes Drugs

Taking bitter melon with antidiabetes drugs might increase the risk of hypoglycemia.
Bitter melon can lower blood glucose levels and might have additive effects when used with antidiabetes drugs. This might increase the risk of hypoglycemia in some patients. Monitor blood glucose levels closely.

Likelihood Probable Evidence B
P-Glycoprotein Substrates

Theoretically, bitter melon might increase levels of P-glycoprotein substrates.
Bitter melon might inhibit the p-glycoprotein (P-gp) intestinal pump and increase intracellular levels of P-gp substrates. In vitro research in intestinal cells shows that 1-monopalmitin, a constituent of bitter melon, increases levels of daunomycin, a P-gp substrate. Additionally, drinking bitter melon juice has been associated with a case of acute pancreatitis in a patient who had been taking pazopanib, a P-gp substrate, for 8 years. Researchers theorize that inhibition of P-gp led to increased levels of pazopanib, resulting in pazopanib-induced pancreatitis.

Likelihood Possible Evidence D
Pazopanib (Votrient)

Theoretically, bitter melon might increase levels of pazopanib, potentially increasing the risk of adverse effects.
In one case, a 65-year-old patient taking pazopanib for 8 years for renal cell carcinoma experienced signs and symptoms consistent with acute pancreatitis 4 days after drinking bitter melon juice at a dose of 100-150 mL daily. The patient's symptoms, amylase levels, and lipase levels improved upon discontinuation of bitter melon and pazopanib. Pazopanib treatment was re-initiated with no further evidence of pancreatitis. Researchers theorize that inhibition of P-glycoprotein by bitter melon led to increased levels of pazopanib, a P-glycoprotein substrate, resulting in pazopanib-induced pancreatitis.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Bitter Melon Extract, from the product label.

BulkSupplements.com

See all BulkSupplements.com products
Name
BulkSupplements.com
Street Address
7511 Eastgate Rd
City
Henderson
State
NV
ZipCode
89011
Web Address
BulkSupplements.com
Pharmacist Counseling Corner

Bitter Melon Extract by BulkSupplements.com: Common Questions

Does Bitter Melon Extract by BulkSupplements.com interact with any medications?
Yes. Based on its ingredients, Bitter Melon Extract has a known interaction with 282 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Bitter Melon Extract 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.
Can I take this if I'm pregnant?
Bitter melon is traditionally avoided in pregnancy because the seeds and high doses have been associated with uterine effects and other potential harms. Talk with your doctor or pharmacist before using it if you're pregnant — they can give you personalized advice based on your situation.
Is it safe while breastfeeding?
There isn't enough reliable safety information about bitter melon while breastfeeding, so it's best to avoid it. If you're interested in taking it, check with your doctor or pharmacist first.
What side effects might I experience?
The most common ones are stomach-related: heartburn, nausea, vomiting, diarrhea, constipation, and belly discomfort. You might also feel dizzy, tired, or get a headache. These side effects showed up in about 3% to 16% of people in studies. Rarely, it's been linked to low blood sugar in children and kidney issues with very high doses.
Does bitter melon actually work for diabetes?
The evidence we hold rates diabetes as having insufficient reliable evidence — meaning the research so far isn't strong enough for us to say confidently whether it works. And even if it does help lower blood sugar, that's actually a reason to be cautious if you're already on diabetes medications, since it could lower your blood sugar too much.
What's the difference between bitter melon used as food versus this supplement?
This is a concentrated extract powder, not whole bitter melon fruit. Supplements can deliver higher doses than you'd typically eat as food, which is why the safety concerns — like low blood sugar or stomach upset — are more relevant here.
Do I need to worry about interactions with my medications?
Yes, if you take diabetes drugs, cancer medications, or anything that's a P-glycoprotein substrate, you should check first. Use the search tool on this page with your medication list, and talk with us before starting.

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.

Bitter Melon Extract label
Sources

Sources & How We Checked

Bitter Melon 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.

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 18 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.

Bitter Melon 18 references
  1. Leatherdale B, Panesar RK, Singh G, et al. Improvement in glucose tolerance due to Momordica charantia. Br Med J (Clin Res Ed) 1981;282:1823-4.
  2. Welihinda J, et al. Effect of Momordica charantia on the glucose tolerance in maturity onset diabetes. J Ethnopharmacol 1986;17:277-82. PubMed
  3. Srivastava Y, Venkatakrishna-Bhatt H, Verma Y, et al. Antidiabetic and adaptogenic properties of Momordica charantia extract: An experimental and clinical evaluation. Phytother Res 1993;7:285-9.
  4. Baldwa VS, Bhandari CM, Pangaria A, Goyal RK. Clinical trial in patients with diabetes mellitus of an insulin-like compound obtained from plant sources. Ups J Med Sci 1977;82:39-41. PubMed
  5. Aslam M, Stockley IH. Interaction between curry ingredient (karela) and drug (chlorpropamide). Lancet 1979:1:607. PubMed
  6. Ahmad N, Hassan MR, Halder H, Bennoor KS. Effect of Momordica charantia (Karolla) extracts on fasting and postprandial serum glucose levels in NIDDM patients (abstract). Bangladesh Med Res Counc Bull 1999;25:11-3.
  7. Basch E, Gabardi S, Ulbricht C. Bitter melon (Momordica charantia): a review of efficacy and safety. Am J Health Syst Pharm 2003;60:356-9. PubMed
  8. Yin RV, Lee NC, Hirpara H, Phung OJ. T. The effect of bitter melon (Mormordica charantia) in patients with diabetes mellitus: s systematic review and meta-analysis. Nutr Diabetes. 2014;4:e145.
  9. Rahman IU, Khan RU, Rahman KU, Bashir M. Lower hypoglycemic but higher antiatherogenic effects of bitter melon than glibenclamide in type 2 diabetic patients. Nutr J. 2015;14:13. PubMed
  10. Alam MA, Uddin R, Subhan N, Rahman MM, Jain P, Reza HM. Beneficial role of bitter melon supplementation in obesity and related complications in metabolic syndrome. J Lipids. 2015;2015:496169. PubMed
  11. Konishi T, Satsu H, Hatsugai Y, et al. Inhibitory effect of a bitter melon extract on the P-glycoprotein activity in intestinal Caco-2 cells. Br J Pharmacol. 2004;143(3):379-87. PubMed
  12. Peter EL, Kasali FM, Deyno S, et al. Momordica charantia L. lowers elevated glycaemia in type 2 diabetes mellitus patients: Systematic review and meta-analysis. J Ethnopharmacol. 2019;231:311-24. doi: 10.1016/j.jep.2018.10.033. PubMed
  13. Cortez-Navarrete M, Martínez-Abundis E, Pérez-Rubio KG, González-Ortiz M, Méndez-Del Villar M. Momordica charantia administration improves insulin secretion in type 2 diabetes mellitus. J Med Food. 2018;21(7):672-7. doi: 10.108
  14. Kim SK, Jung J, Jung JH, et al. Hypoglycemic efficacy and safety of Momordica charantia (bitter melon) in patients with type 2 diabetes mellitus. Complement Ther Med. 2020 Aug;52:102524. doi: 10.1016/j.ctim.2020.102524. PubMed
  15. Unsal O, Sütcüoglu O, Yazici O. Dangerous interaction of bitter melon (Momordica charantia) with pazopanib: a case of acute pancreatitis. J Oncol Pharm Pract 2022;28(2):486-8.
  16. Bae W, Kim S, Choi J, et al. Acute interstitial nephritis associated with ingesting a Momordica charantia extract: a case report. Medicine (Baltimore) 2021;100(27):e26606. PubMed
  17. Chattopadhyay K, Wang H, Kaur J, et al. Effectiveness and Safety of Ayurvedic Medicines in Type 2 Diabetes Mellitus Management: A Systematic Review and Meta-Analysis. Front Pharmacol. 2022;13:821810. Published 2022 Jun 8. PubMed
  18. Kim B, Lee HS, Kim HJ, et al. Momordica charantia (bitter melon) efficacy and safety on glucose metabolism in Korean prediabetes participants: a 12-week, randomized clinical study. Food Sci Biotechnol 2022;32(5):697-704. PubMed

See these in context on the Bitter Melon 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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