Acetyl L-Carnitine 500 mg supports energy production via the metabolism of fatty acids to yield the universal energy molecule ATP. As an antioxidant, Acetyl-L-Carnitine helps to protect neurons against the corrosive superoxide radical. Acetyl-L-Carnitine is an amino acid found in most cells in the body, including brain, nerve, liver and sperm cells. It is recommended to take 1 capsule 1 to 2 times per day on an empty stomach or as directed by your qualified healthcare professional. If you have a medical condition, are under the age of 18, or taking medications, consult your healthcare professional before using this product. Keep out of reach of children. Store in a cool, dry place. Do not refrigerate.