Ingredient profile
Gymnema Sylvestre in Sugar Defender: The 8th Blend Line, Measured
Gymnema sylvestre in Sugar Defender is a leaf extract listed 8th of 22 in the 200 mg blend. The label hides its amount, but its place caps it at 25 mg per mL, and an even split gives about 9 mg. Studies used 200-400 mg a day of extract and found only a small drop in fasting glucose.
Written by the Sugar Defender label deskUpdated
On the label01
What is gymnema sylvestre in Sugar Defender?
Gymnema sylvestre in Sugar Defender is a leaf extract of an Ayurvedic plant known as gurmar. It is the 8th of 22 lines in the herbal blend.
The label prints it as "Gymnema Sylvestre Leaf Extract", with no amount and no strength.
Its best-known effect is a duller sweet taste (Drugs.com, Gymnema monograph).
| Name on the label | Gymnema Sylvestre Leaf Extract |
|---|---|
| What it is | Gymnema sylvestre leaf |
| Place on the label | 8 of 22 in the 200 mg proprietary blend |
| Amount per mL (1 dropper) | Not listed; #8 of 22 in the 200 mg blend, so at most 25 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. |
Dose math02
What is the most gymnema 1 mL of Sugar Defender can hold?
Gymnema sylvestre in Sugar Defender can make up at most 25 mg per mL, because it sits 8th in a 200 mg blend listed from most to least.
The math: if all eight top lines were equal, each would get 200 / 8 = 25 mg. Anything after it must be smaller.
An even split of the whole blend gives about 9 mg. Trials used 200-400 mg a day (Drugs.com, Gymnema monograph).
Even at the 25 mg ceiling, 1 mL holds one eighth of the low studied dose. Matching 200 mg would take 8 mL a day. A bottle would last under 8 days.
What studies found03
What did gymnema research find for blood sugar?
Gymnema studies found a small effect. A 2021 review of 10 small studies saw a fasting-glucose drop that was real but small (Drugs.com, Gymnema monograph).
Most of those trials gave 200-400 mg a day of extract standardized to 25% gymnemic acids.
Strong trials are still missing, and none tested Sugar Defender.
| What was used | Daily amount | Result |
|---|---|---|
| Standardized extract (25% gymnemic acids) | 200-400 mg | Small fasting-glucose drop |
| Leaf extract, other trials | 500-1,000 mg | Robust trials still lacking |
| Sugar Defender, 1 mL | Not printed (at most 25 mg) | No trial |
The label gives no strength. So we cannot tell if its leaf extract matches the trial extracts.
Sales copy04
What does the sales page promise for gymnema?
The Sugar Defender sales page says gymnema "Supports Healthy Heart & Blood Sugar" (Sugar Defender sales page). The evidence we found covers blood sugar only, and the effect was small.
We found no heart data for gymnema in our sources.
A promise for the drops would also need to fit 25 mg or less a day.
The fair version: gymnema has been studied for blood sugar. The change was small, at doses far above what 1 mL can carry. Each named ingredient gets the same check on the claims vs evidence page.

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See packsSafety05
Who should ask a doctor before taking gymnema?
Anyone on insulin or another diabetes drug should ask a doctor before using the gymnema sylvestre in Sugar Defender. It may add to those drugs (Drugs.com, Gymnema monograph).
The ADA warns that some supplements cause lows when combined with diabetes medicines (ADA, Vitamins & Supplements).
The monograph also notes one case report of liver injury that went away.
A supplement is never a reason to skip or lower a diabetes drug. Tell your doctor before you add drops.
Signs of a low include shaking, sweating, hunger and a fast heartbeat (NIDDK, Low Blood Glucose). More on drug pairs is in supplements and diabetes medicines.
Bigger picture06
Can gymnema in Sugar Defender replace diet changes?
No, gymnema sylvestre in Sugar Defender cannot replace diet and activity changes. Those have far stronger proof than any herb.
In the Diabetes Prevention Program, lifestyle change cut type 2 risk by 58% (NIDDK, Diabetes Prevention Program).
NCCIH warns against swapping medical care for an unproven product (NCCIH, Diabetes and Dietary Supplements).
Gymnema at study doses
A small drop in fasting glucose across small trials, at 200-400 mg a day.
Small effectLifestyle program
A 7% weight-loss goal and 150 minutes of activity a week. Type 2 risk fell 58%.
Strong evidenceBottom line07
Is gymnema a strong part of Sugar Defender?
Gymnema sylvestre is one of the better-studied herbs in Sugar Defender, but the drops hold too little of it to match any trial.
Its place in the blend caps it at 25 mg per mL, and its strength is not printed.
See how it ranks among all 23 lines on the ingredients page.
- Studied for blood sugar, with a small effect
- 8th of 22: at most 25 mg per mL
- May add to diabetes drugs
- Dulls sweet taste at study doses
FAQ08
What do people ask about gymnema?
People most often ask: How much gymnema is in Sugar Defender? The short answer, and 5 more, open below.
Each answer starts with the direct reply, then the reason, with a source where one exists.
How much gymnema is in Sugar Defender?
The label does not say. Gymnema is 8th of 22 in a 200 mg blend listed from most to least, so 1 mL holds at most 25 mg of it. An even split of the blend would give about 9 mg per mL.
What does gymnema do?
Gymnema is best known for dulling sweet taste, and it has been studied for blood sugar. A 2021 review of 10 small studies found a small fasting-glucose drop at 200-400 mg a day of extract (Drugs.com, Gymnema monograph). Strong trials are still missing.
Is gymnema safe with diabetes medicine?
Ask your doctor first. Gymnema may add to the effect of diabetes medicines, and the ADA warns that some supplements can cause lows when combined with them (ADA, Vitamins & Supplements). The label asks anyone taking other medication to consult a physician before use.
Why does gymnema change the taste of sweets?
Reduced sweet taste is the effect gymnema is best known for, according to its professional monograph (Drugs.com, Gymnema monograph). Our sources do not explain how it works. We also cannot say whether 25 mg or less in 1 mL is enough to notice.
What dose of gymnema was studied?
Most blood sugar trials used 200-400 mg a day of extract standardized to 25% gymnemic acids. Other trials used 500-1,000 mg a day of leaf extract (Drugs.com, Gymnema monograph). One mL of the drops can hold 25 mg at most.
Is gymnema safe for the liver?
Liver safety data are thin: the gymnema monograph lists a case report of liver injury that went away (Drugs.com, Gymnema monograph). If you have liver disease, ask your doctor before use. Stop and call them if you feel unwell on the drops.
Who wrote this09
Who wrote and reviewed this Sugar Defender guide?
The Sugar Defender label desk wrote it from the label, the sales page and linked public sources.
A medical reviewer's name goes in the box below once a review is on file.
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 how we check reviews. This website is run by a U.S. authorized Sugar Defender merchant, not by the manufacturer or the label distributor. We are paid when you buy through our order links.
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