BioStacks
Best for
Ingredients (2)
Organic Cinnamon (bark)
100%Dose/day
1000 mg
Target
250–1000 mg
Form
—
Berberine HCl (bark)
100%Dose/day
1000 mg
Target
500–1500 mg
Form
Standard
Other Ingredients (3)
Rice ExtractFiller
Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take with meals — its glucose effects act on the food you're eating. Usually split 2–3 times daily.
With food
Split into 2 doses across the day
On the label
For adults, take 2 capsules 2 times daily, preferably with meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$26.50
Near the median of 81 berberine HCl 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. studied 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.