Hitting the Gym But Not Growing? The 'Secret Switch' Your Muscles Are Missing. Benefits of L Carnitine for PCOS Landys Chemist 1 L Carnitine This amino acid plays a crucial role in fat metabolism and has been shown to support testosterone levels by improving androgen receptor activity. It also enhances muscle recovery and What are androgens? Their key role in normal testosterone levels Healthylife Our Carnitine product, Gorilla Mode AR (androgen receptor) is now restocked! L carnitine supplementation is most advantageous for those with a deficiency. One of the more recently elucidated mechanisms by which it works