Berberine in the treatment of type 2 diabetes mellitus: a systemic review and meta-analysis

This systematic review and meta-analysis examined 14 randomized controlled trials investigating berberine for type 2 diabetes. Studies used doses ranging from 500-1500mg daily over periods of 1-3 months.

Results showed that berberine significantly reduced fasting blood glucose, post-meal blood glucose, and HbA1c levels. Effects were comparable to conventional diabetes medications like metformin. Berberine also improved lipid profiles, reducing total cholesterol, LDL cholesterol, and triglycerides.

While this study focused on metabolic effects, stable blood glucose levels are crucial for cognitive function and mood stability. Berberine's ability to improve glucose metabolism may indirectly support brain health and cognitive performance by preventing glucose fluctuations that impair mental clarity. The supplement works through activation of AMPK, a key metabolic regulator. Berberine was generally well-tolerated, with mild gastrointestinal effects being most common.