Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome Olimp L Carnitine 1500 Extreme Mega Caps deliver a powerful dose of 1500mg of pure L carnitine tartrate in each capsule. L carnitine plays a crucial role in transporting fatty acids to the mitochondria, Didn't another study show carnitine was good for the heart? The effect of l carnitine supplementation on mortality and clinical outcomes in ventilator dependent critically ill patients with obesity and COVID 19: Protocol for a randomized double blind placebo controlled trial ScienceDirect MHP Liquid L Carnitine 1500mg RAIBU L Carnitine 3000mg per Daily Dose, 180 Capsules Health Superdrug