L-Carnitine is an important non-essential amino acid that helps to maintain overall good health by facilitating the transfer off fatty acids into the mitochondrial membranes for cellular energy production. L-Carnitine plays a crucial in cardiovascular health, weight loss, muscle growth, and performance. L-Carnitine naturally occurs in red meat and other animal source foods, but we recommend Muscleology's L-Carnitine to obtain optimal levels of this excellent amino acid. Pure Energy Liquid. Sweetened with Stevia.