The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Effective dosing of L carnitine in the secondary prevention of cardiovascular disease: a systematic review and meta analysis BMC Cardiovascular Disorders Springer Nature Link Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect Benefits of Combining Supplements: L Carnitine & Methyl B 12: The Center for Internal and Integrative Medicine: Integrative Medicine Doctors L Carnitine Your body already makes L Carnitine, so why do people take it as a supplement? Because while it helps burn fat for energy, it only works when paired with the right lifestyle., So before you jump on