Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome New research says L carnitine might do more than you think. It can help with recovery after your workoutsnot just fat metabolism like most people assume. Watch this #LCarnitine #WorkoutRecovery #ScienceBackedSupps #TrainSmart # Beneficial effects of l carnitine supplementation for weight management in overweight and obese adults: An updated systematic review and dose response meta analysis of randomized controlled trials ScienceDirect PDF) Comparison of pharmacokinetics of L carnitine, Acetyl L carnitine and Propionyl Lcarnitine after single oral administration of L carnitine in healthy volunteers