Carnitine Different Types and What Do They Do GPLC 1250 mg 60 Capsules Non GMO Gluten Free High Potency Glycine Propionyl L Carnitine HCL Supplement by Carlyle Buy Now with Express International Delivery GoSupps.com 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 Boost Propionyl L carnitine dilates human subcutaneous arteries through an endothelium dependent mechanism ScienceDirect