Each capsule combines 450mg of **Berberine HCl** with 550mg of **Berbevis** — a phytosome form that absorbs significantly better than standard berberine due to its phospholipid binding. At just one capsule you're already near the 500mg clinical floor for supporting healthy blood sugar and insulin sensitivity, and the enhanced absorption from the phytosome portion means your effective dose is higher than the label milligrams suggest.

The suggested two capsules twice daily puts you well above the studied range, which may not be necessary. If your goal is metabolic support, starting with one capsule twice daily with meals gives you solid coverage while keeping GI comfort in check — berberine can cause digestive discomfort at higher doses.

The main thing to watch: berberine interacts with several medications, particularly those processed through the CYP3A4 enzyme pathway. If you're on any prescriptions, check with your doctor before adding this one.

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BioStacks

Thorne

Berberine

Capsule · 30 servings · $1.47/serving

91 / 100Excellent

Score Breakdown

Formulation
91
Safety
100
Final score
91/100

Ingredients (2)

Berbevis550 mg

Within effective range · Premium form

Berberine Hydrochloride450 mg

90% of effective dose

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Berberine Hydrochloride450 mg

Berbevis550 mg

Other Ingredients

Fillers, coatings, and additives

2Safe

Calcium LaurateEmulsifier

Safe

HypromelloseCapsule

Safe

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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.