Acetyl L Carnitine is a modified form of carnitine that has the dual benefit of supporting mental fatigue, improving mood levels and alertness as it crosses the blood brain barrier with ease while supporting Acetyl L Carnitine Core Nutritionals ATP Science Acetyl L carnitine Carnitine Acetyltransferase an overview ScienceDirect Topics Your mitochondria are the tiny power plants inside your cells. They help create ATP the energy your body uses to power your brain, muscles, organs, recovery, and daily function. When mitochondrial