BioStacks
Best for
Ingredients (3)
Barberry root extract
100%Dose/day
1200 mg
Target
500–1500 mg
Form
—
Oregon Grape root and stem extract
100%Dose/day
1200 mg
Target
200–500 mg
Form
—
Goldenseal root and rhizome extract
100%Dose/day
300 mg
Target
250–1000 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
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 3 doses across the day
On the label
Take 2 capsules three times daily, or as recommended by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$36.00
Pricier than 90% of 12 goldenseal 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.