NOW Foods
Berberine
78/100
SUPPIE SCORE
78/100
EFFICACY
Medium
SAFETY
96/100
CLEANLINESS
What Does Berberine Do?
Berberine lists Berberine HCl (500 mg) as its main active. Any judgement should be based on the stated amounts and forms rather than the product name or marketing claims alone.
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Can berberine interact with prescription diabetes medications?
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What Are the Benefits of Berberine?
Based on proven scientific research
Glucose MetabolismStrong
Lipid SupportModerate
Insulin SensitivityModerate
Good For:
What Are the Side Effects of NOW Foods Berberine?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•Berberine 500 mg daily is within researched effective range with good tolerability
•May cause mild gastrointestinal upset including diarrhea, constipation, or nausea
•Can interact with CYP3A4-metabolized drugs including statins and certain antibiotics
•Not recommended during pregnancy or breastfeeding due to potential uterine stimulation
•May lower blood sugar—monitor closely if taking diabetes medications
•Generally recognized as safe for up to 3 months of continuous use in healthy adults
Potential Side Effects
Negative Interactions
Inactive Ingredients
Beeswax
Low RiskSunflower lecithin
Low RiskSoftgel capsule
GoodWhat Are the Ingredients in NOW Foods Berberine?
Berberine HCl
500 mg
Beeswax
Sunflower lecithin
Softgel capsule
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Dosage & Bioavailability
How the active doses and forms in Berberine compare to the research.
•Berberine HCl is listed at 500 mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
•Berberine HCl has no distinct chemical or delivery form stated, so no product-specific absorption advantage can be established.
Frequently Asked Questions
Common questions about NOW Foods Berberine