Role of Oxidative Stress and Carnitine in PCOS Patients IntechOpen Androgen receptor density plays a meaningful role in muscle anabolism because it determines how strongly a muscle fiber responds to androgen signaling. Gabriel Alizaidy, MD, MS The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation NOW CARRYING! L Carnitine helps transport fatty acids to be burned as fuel inside the mitochondria. It also promotes healthy androgen receptors, healthy glucose metabolism, and heart health. We