Acetyl L Carnitine (ALCAR) is derived from the amino acids lysine and methionine. It is found in highest levels in tissues that use fatty acids as their main fuel; such as the skeletal and cardiac muscles. L Carnitine and Acetyl L Carnitine have backed claims of anti-aging and nutrient regenerating properties. The effects of supplementing with them have been extensively researched in many areas including exercise performance, weight loss, treatment of Alzheimer’s and Parkinson’s, diabetic depression and many other neurological disorders. L Carnitine is an excellent aid for weight loss.