L-CarnitineSeries arenatural, vitamin-like nutrient responsible for promoting the β-oxidation process of long- chain fatty acids. In other words, it helps the body convert fatty acids into energy. L-Carnitine is often used in medicine and health food, sports drinks, infant nutrition and animal nutrition. Concerning L-Carnitine,we have many different specs as below: L-Carnitine base USP L-Carnitine 50% L-Carnitine Tartrate L-Carnitine Fumarate Acetyl L-Carnitine HCL (D-Carnitine<0.1%)