Life Extension, Acetyl-L-Carnitine Arginate, 90 Veg CapsProduct Description Acetyl L Carnitine arginate is an advanced carnitine supplement that promotes youthful cellular energy metabolism and supports brain and nerve health. Acetyl L carnitine, an amino acid derivative, promotes youthful cellular energy metabolism and supports mood and nervous system well being. But levels of the compound it is made from, L carnitine, decline with age. Acetyl L carnitine encourages the movement of fatty acids into