This amino acid supports energy production by transporting fatty acids into your cells’ mitochondria. This more stable form of L-carnitine is less susceptible in a dry form to the effects of moisture than pure L-carnitine. L-Carnitine supplementation can support the liver, blood sugar and cholesterol metabolism, and cardiac function.† Supplies 500 mg of elemental L-carnitine per capsule and is free of synthetic D-carnitine.