NOW Sports L-Carnitine Liquid has all of the properties of carnitine in a highly absorbable liquid form, offering support for fat metabolism* and energy production.* L-Carnitine is a non-essential amino acid that helps to maintain overall good health by facilitating the transfer of fatty acid groups into the mitochondrial 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. NOW L-Carnitine is the purest form, clinically tested, and vegetarian (non-animal sourced). Natural color variation may occur in this product. Carnipure offers purest L-Carnitine and is a registered trademark of Lonza Ltd, Switzerland.