l Carnitine Supplementation in Recovery after Exercise Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. Why Take Carnitine? NOW Foods All You Need To Know About L Carnitine HealthKart Health & Personal :: Diet & Nutrition :: Health Supplements :: MuscleBlaze Liquid L Carnitine PRO (Key Lime, 450ml) Triple Strength Formula 3300mg L Carnitine