L Carnitine Tartrate Supplementation for 5 Weeks Improves Exercise Recovery in Men and Women: A Randomized, Double Blind, Placebo Controlled Trial 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 Frontiers Androgen Receptor Signaling and Metabolic and Cellular Plasticity During Progression to Castration Resistant Prostate Cancer L Carnitine Linus Pauling Institute Oregon State University