Gymnema
Gymnema Sylvestre and Blood Sugar: How Much Sits in Glyco Defender?
Gymnema sylvestre is an Ayurvedic leaf, known as gurmar, that dulls sweet taste and has small blood sugar studies behind it. In Glyco Defender it is 8th of 21 in a 15.47 mg blend, so one dropper holds at most about 1.9 mg. Studies of the extract used 200 to 400 mg a day.
Written by the Glyco Defender label deskUpdated
The leaf01
What is gymnema sylvestre?
Gymnema sylvestre is a leaf used in Ayurvedic tradition, where it goes by the name gurmar. Supplement makers sell its extract for sugar cravings and blood sugar.
Its best-known effect in research is a weaker sense of sweet taste (Drugs.com, Gymnema monograph). Clinical studies mostly used an extract standardized to 25% gymnemic acids, the compounds linked to that effect.
Glyco Defender lists the leaf extract inside its blend, with no amount of its own.
A leaf extract
The label names "Gymnema Sylvestre Leaf Extract". The leaf, not the stem or root, is the part studied.
Known for taste
Gymnema blunts how sweet foods seem. That effect is better documented than any blood sugar change.
Place 8 of 21
Seven blend ingredients outweigh it. That order sets the ceiling on how much a dropper can hold.
On the label02
Where does gymnema sit on the Glyco Defender label?
Gymnema is the 8th of 21 ingredients in the Glyco Defender proprietary blend. It follows green tea leaf and comes just before coleus forskohlii root.
The ^ mark beside it means the extract came from a 20:1 concentrate. That ratio describes how much raw leaf went in. It does not add milligrams: the whole blend still weighs 15.47 mg.
Blends list ingredients from most to least by weight (21 CFR 101.36 (eCFR)). So gymnema can weigh no more than any of the seven lines above it, which caps it at 15.47 / 8 = about 1.9 mg.
| Name on the label | Gymnema Sylvestre Leaf Extract |
|---|---|
| What it is | Gymnema sylvestre leaf |
| Place on the label | 8 of 21 in the 15.47 mg proprietary blend |
| Amount per mL (1 dropper) | Not listed; #8 of 21 in the 15.47 mg blend, so at most 1.93 mg per mL |
| Amount used in research | 200-400 mg a day of extract |
| Strength of evidence | Small trials; small effect |
| Marketed or traditional use | Ayurvedic leaf known as gurmar |
| Main caution | May add to diabetes medicines; dulls sweet taste. |
Research03
Does gymnema sylvestre help blood sugar?
Gymnema sylvestre shows a small effect on fasting blood sugar in small studies. Strong clinical trials are still missing (Drugs.com, Gymnema monograph).
A 2021 meta-analysis pooled 10 small studies. It found a fasting glucose drop that passed the statistics test but was small in clinical terms (Drugs.com, Gymnema monograph).
No supplement has earned a place in diabetes care, according to the American Diabetes Association (ADA, Vitamins & Supplements). Gymnema is no exception.
| What was studied | Daily amount | One dropper, at most |
|---|---|---|
| Standardized extract (25% gymnemic acids) | 200-400 mg | 1.9 mg |
| Plain leaf extract, other trials | 500-1,000 mg | 1.9 mg |
| Pooled result, 10 small studies | Small fasting glucose drop | Not tested |
The math04
How much gymnema is in Glyco Defender compared with studies?
Glyco Defender holds at most 1.9 mg of gymnema per dropper. That is about 1% of the 200 mg low end used in studies.
The ceiling is generous on purpose. On an even split of the blend, gymnema would get about 0.74 mg, or 0.37% of 200 mg.
Turned around, matching one study day at the ceiling would take about 104 droppers. That is close to three and a half bottles at once, far past the one dropperful the label allows.
Blend total
15.47 mg for all 21 ingredients in one mL.
Divide by place
15.47 / 8 = 1.93 mg, the most gymnema can be.
Compare
1.93 / 200 = about 1% of the lowest studied daily dose.
In numbers05
What are the Glyco Defender gymnema numbers?
The Glyco Defender gymnema numbers are place 8, a ceiling of 1.9 mg per dropper, and a 200 mg low study dose.
None of them is printed as a gymnema amount; all come from the label order.
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See packsSweet taste06
Will Glyco Defender gymnema change how sweet foods taste?
Nobody has tested that, so there is no reliable answer. The sweet-dulling effect comes from studies at amounts many times larger than a dropper holds (Drugs.com, Gymnema monograph).
The liquid itself is sweetened with stevia and xylitol, according to the other-ingredients line. So the drops taste sweet on their own, whatever the gymnema does.
If you notice a change in taste, write it down with the date. That kind of note is more useful to your doctor than a guess.
It names gymnema leaf extract and places it eighth. It does not state the gymnemic acid content, so even the 1.9 mg ceiling is extract weight, not active compound.
Safety07
Is gymnema safe with diabetes medicines?
Gymnema may add to the effect of diabetes medicines, so anyone on them should ask a doctor first. The concern is a stacked effect that pushes glucose too low.
A low usually means a reading under 70 mg/dL for people with diabetes. Signs include shakiness, sweating, hunger and confusion (NIDDK, Low Blood Glucose).
The gymnema monograph also lists one case report of liver injury that reversed after stopping (Drugs.com, Gymnema monograph). It is rare, but worth telling your doctor about any herb you take.
Gymnema is not a swap for metformin, insulin or any other drug. Keep every dose as prescribed and let your care team decide on changes. Other cautions for the drops are on Glyco Defender side effects.
Related08
What else in Glyco Defender is studied for glucose?
Chromium and Panax ginseng are the other Glyco Defender ingredients with glucose research. Chromium has a printed dose; ginseng sits twelfth in the blend.
See chromium picolinate in Glyco Defender and the Panax ginseng profile. Every label line is typed out on the supplement facts page.
FAQ09
Gymnema questions about Glyco Defender
Is gymnema the same as gurmar?
Yes. Gurmar is the Ayurvedic name for Gymnema sylvestre, the leaf in the Glyco Defender blend. The name points to its best-known effect: a weaker sense of sweet taste, which research supports better than any blood sugar change (Drugs.com, Gymnema monograph).
How much gymnema sylvestre is in one Glyco Defender dropper?
The label does not say. Gymnema is 8th of 21 in a 15.47 mg blend, so it can weigh at most about 1.9 mg per dropper. Split evenly, it would be close to 0.74 mg. Both figures are estimates from the label order.
What gymnema dose did blood sugar studies use?
Most clinical studies used 200 to 400 mg a day of extract standardized to 25% gymnemic acids. Some used 500 to 1,000 mg of plain leaf extract (Drugs.com, Gymnema monograph). Even the low end is about one hundred times the most a Glyco Defender dropper can hold.
Can gymnema cause liver problems?
Rarely. The professional monograph records one case of liver injury linked to gymnema that reversed once the person stopped (Drugs.com, Gymnema monograph). If you have liver disease or notice new symptoms while using any herbal product, stop and call your doctor.
Does gymnema help with sugar cravings?
Gymnema can make sweet foods taste less sweet in studies, which is why it is sold for cravings (Drugs.com, Gymnema monograph). No study has tested cravings with Glyco Defender, and a dropper holds a small fraction of the studied amounts, so any effect is unknown.
Why is gymnema listed eighth in the Glyco Defender blend?
Blend lines appear from most to least by weight (21 CFR 101.36 (eCFR)). Maca, African mango, grape seed, guarana, eleuthero, astragalus and green tea all weigh at least as much as gymnema. That order is the only clue to its amount.
Should people on insulin avoid gymnema?
They should ask their doctor before using it. Gymnema may add to the effect of diabetes medicines, and insulin can already cause lows (NIDDK, Low Blood Glucose). A doctor can judge the risk and suggest how often to check readings when starting any supplement.
Who wrote this10
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . See our editorial standards and the way we check reviews. This website is run by a USA Authorized Glyco Defender Retailer, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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