L Carnitine is Underrated. New Meta Review Reminds Us Why. Inhibition of androgen receptor can decrease fat metabolism by decreasing carnitine palmitoyltransferase I levels in skeletal muscles of trained mice Nutrition & Metabolism Springer Nature Link L carnitine is a must in your regimen #gym #testosterone #supplements Frontiers Advances in mitochondria centered mechanism behind the roles of androgens and androgen receptor in the regulation of glucose and lipid metabolism Ameliorative effects of L carnitine as an antioxidant against testicular toxicity induced by AlCl3 in male albino rats