BioStacks
Dr. Mercola

Biothin Berberine with Chromium

1 Capsule · 30 servings · $0.73/serving

iHerbAmazon

Best for

Metabolism

Ingredients (3)

Chromium

100%

Dose

400 mcg

Target

200–1000 mcg

Form

Premium

Berberine Phytosome Complex

70%

Dose

350 mg

Target

500–1500 mg

Form

Premium

Niacin

10%

Dose

2.4 mg

Target

25–500 mg

Form

Premium

Other Ingredients (8)

Grape Seed Extract (base)Botanical

Polyphenol-rich grape seed extract; here listed on the other-ingredients line

Pea Protein Isolate (base)Food

Pea protein isolate used as a protein base or carrier.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Ascorbyl PalmitateAntioxidant

Fat-soluble form of vitamin C used as preservative

Hydroxypropyl CelluloseBinder

An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

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

Sunflower LecithinEmulsifier

Non-GMO, non-allergenic emulsifier derived from sunflower seeds

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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.

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