What is L carnitine & What does it do to your body XXL L Carnitine has a range of benefits for women with PCOS but, a new study set out to look at carnitine's impact on some of PCOS key indicators. One of those benefits reported Berberine vs L Carnitine , Which one should YOU take?, Both are metabolic powerhouses, but they work in completely different ways , Berberine HCL is natures metformin., 1. Activates AMPK (your cells Willner Chemists Life Extension Energy and recovery supplements for cycling Powerbar LORDGUN Bicycles