BioStacks
Swanson

Full Spectrum® Barberry Root Bark, 450 mg

1 Capsule × 2/day · 60 servings

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What it does

Berberine HCl

Form not confirmedGrade —

May lower blood sugar in adults with type 2 diabetes; evidence is limited and study quality varies.

Metabolism
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Ingredients (1)

Other ingredients

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

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Lab testing

How to take it

With food
Split into 2 doses across the day

On the label

As a dietary supplement, take one capsule two times per day with water.

Price check

$5.99

$0.10 / serving

$20$50

Cheaper than 99% of 81 berberine HCl supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.

Not medical advice. Consult your healthcare professional.

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