Decoding the Duo: L Carnosine and L Carnitine in Wellness Clinikally What Is Carnitine and Why Is It Important? The Amino Company How L Carnitine Helps with Fat Metabolism L Carnitine is an amino acid that supports weight loss as it is a fat burning supplement. L Carnitine Push is a direct and quick IV infusion procedure that can be done on a weekly Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health