L-Carnitine Is A Non-Essential Amino Acid That Helps To Maintain Overall Good Health By Facilitating To Transfer Of Fatty Acid Groups Into The Mito Chondrial Membrane For Cellular Energy Production. * It Naturally Occurs In Red Meat And Other Animal Source Foods. But, We Recommend Supplementation To Obtain Optimal Levels Of This Excellent Amino Acid. L-Carnitine Is The Purest Form, Clinically Tested And Vegetarian (Non-Animal Sourced)