Now Foods Acetyl L-Carnitine Dietary Supplement with Carnitine 500mg 50 capsules

It is a highly bioavailable form of L-carnitine that can cross the blood-brain barrier, where it acts as a powerful antioxidant, helping to prevent the deterioration of brain cells. There it exerts an antioxidant effect, resulting in the maintenance of healthy cellular energy metabolism, the good functioning of the brain and heart and the reduction of the chances of heart disease.

Take 1-2 capsules 1 to 2 times a day as needed.

Acetyl-L-Carnitine (from Acetyl-L-Carnitine HCl):  1000mg