Premium Amino Acid Taurine Powder for Optimal Health 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 Taurine is one of the most abundant amino acids in the body, especially in the brain, heart, and muscles. It helps stabilize cell membranes, regulate calcium, and act as an antioxidant and 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 Taurine: Antioxidant and Cardiovascular Benefits