Purest Form, Clinically Tested Transports Fatty Acids Boosts Cellular Energy* 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). Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Pure L-Carnitine is an amino acid that normally attracts water which can cause it to deteriorate rapidly. We use a tartrate form to help ensure that this product maintains stability and full potency. CarnipureTM offers purest L-Carnitine and is a registered trademark of Lonza, Ltd., Switzerland.