Benefits of Combining Supplements: L Carnitine & Methyl B 12: The Center for Internal and Integrative Medicine: Integrative Medicine Doctors 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 Both taurine and L carnitine play roles in muscle function, and their combination could potentially enhance muscle health, recovery and weight management. Dr. Thacker breaks down the differences of taurine and L carnitine in Choline, Inositol, L Carnitine, Taurine First Steps Nutrition Trust