L Carnitine and L Arginine Tablets Manufacturer and Supplier in India Catalyze Whey + L Carnitine Liquid 450 ml Quenchlabz Acetyl L Carnitine L Carnitine L Tartrate: 8 Key Benefits Dr. Lam 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 plays an important role in the larger metabolism equation: helping your body use fat efficiently as fuel. Learn more about the science on this week's post on The Wellness Edit.