berberine vs metformin for diabetes
berberine vs metformin for diabetes
Berberine and metformin both lower blood sugar largely by activating the AMPK pathway, but metformin is an FDA-approved first-line diabetes medication backed by decades of research, while berberine is a plant-derived supplement supported mainly by smaller, shorter trials. Head-to-head studies show berberine can deliver similar short-term HbA1c and lipid improvements and may offer advantages for fatty liver and inflammation, but long-term safety data are lacking. This 2026 comparison breaks down the evidence for diabetes, weight loss, and PCOS, along with dosage, side effects, interactions, and safety considerations. Always speak with a healthcare provider before replacing, combining, or stopping either compound.