
Amazon bestselling berberine at the clinical 500mg dose. Oregon grape adds complementary alkaloids. Berberine has meta-analysis evidence rivaling metformin for blood sugar. Just check drug interactions first since berberine affects how your liver processes medications.
Berberine HCl at 500mg is the standard per-dose amount (clinical protocol uses 500mg 3x daily). Oregon grape root at 100mg is below therapeutic but provides complementary berberine-like alkaloids as support. The combination is thoughtful. Like all single-serving berberine products, you need 3 daily for the full 1500mg clinical dose. Amazon bestseller status speaks to value proposition.

Verified Supplement Facts
Every dose checked against clinical research
We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.
Source: Official product page
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