BioStacks
Best for
Ingredients (10)
Chromium
50%Dose
100 mcg
Target
200–1000 mcg
Form
Premium
Gymnema sylvestre Extract
25%Dose
50 mg
Target
200–800 mg
Form
—
Dietary Fiber
10%Dose
1 g
Target
10–30 g
Form
—
Konjac Glucomannan
10%Dose
300 mg
Target
3000–4000 mg
Form
—
LipoSan ULTRA Chitosan
13%Dose
200 mg
Target
1500–3000 mg
Form
—
Other Ingredients (4)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Take it anytime
Take with meals — its glucose effects act on the food you're eating.
With food
Keep it away from medication and mineral supplements
On the label
As a dietary supplement, take two capsules before each meal with a full 8-ounce glass of water or as recommended by your healthcare provider.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$34.99
Pricier than 74% of 16 gymnema supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.