Now L-Carnitine 500mg is a non-essential amino acid that helps 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. L-Carnitine is the purest form, clinically tested, and vegetarian (non-animal sourced). Recommended Use: Take 1 capsule 1 to 3 times daily, or as directed by a healthcare professional. Store in a cool, dry place after opening.