L Carnitine Tartrate Supplementation for 5 Weeks Improves Exercise Recovery in Men and Women: A Randomized, Double Blind, Placebo Controlled Trial Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis L carnitine is a must in your regimen #gym #testosterone #supplements 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