Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous Health Benefits Carnitine Infographic Including Deficiency Stock Vector (Royalty Free) 364114724 Shutterstock L Carnitine with Apple Cider Vinegar EC Sports Supplements 100% Carnipure L Carnitine Liquid Steel Burn SteelFit USA 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 Ingredient Spotlight: L Carnitine Source: Biosynthesised in the body from the amino acids Lysine and Methionine, L Carnitine is a conditionally essential nutrient involved in energy metabolism and fat transport. Key Benefits