L Carnitine 1000mg Energy, Metabolism & Fat Burning Benefits of L Carnitine for gymmers or bodybuilders. #lcarnitine #carnitinebenefits #protein #gymsupplements #amino #fitness #preworkout #gym #supplements #sinewnutrition #bodybuilding #musclemeds #musclegainz #mutant #carnitine #suplementfitness Essential L Carnitine Optimal Health Systems Supplements and chronic pain: What does the research say? Some studies suggest possible benefits for: Acetyl L Carnitine (energy for cells; studied in diabetic nerve pain) Alpha Lipoic Acid (antioxidant; may ease nerve pain, Does L Carnitine Help Erectile Dysfunction? 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.