Berberine & Inositol Are More Effective for PCOS Management Combining Berberine and L Carnitine can be beneficial for weight management, metabolism, and overall health. Berberine may improve insulin sensitivity, lower blood sugar, and support weight loss, while L carnitine helps the body use TRUTH: Taking the wrong supplement for PCOS can slow your progress. Berberine and inositol are two of the most talked about supplements for PCOSbut they're not interchangeable. Inositol is often helpful for Berberine or Inositol for PCOS? Landys Chemist