Protects brain cells against age related degeneration and improves mood, memory and cognition. Prevents age-related impairment of eyesight. Helps to increase muscle mass and convert body fat into energy. The most important effect of acetyl-L-carnitine is to maintain the finction of the cell's energy powerhouse, the mitochondria. Maintains immune competence and reduces the aging pigment lipofuscin. Opposed the aging process in the skin. Helps alleviate depression and improves sleep quality.