NuMedica Acetyl L-Carnitine Highly Bioavailable Form of L-Carnitine, support for Optimal Mitochondrial Function, may Enhance Energy Production at the Cellular Level, support for Maintaining Healthy Triglyceride Levels, and may support healthy Brain Function. Acetyl l-carnitine shuttles acetyl groups and fatty acids into mitochondria for energy production. It is also used to make the important brain chemical acetylcholine. Some studies suggest acetyl l-carnitine can even act as a neurotransmitter itself. Recommended Use: Take one capsule up to three times per day or as directed by your healthcare practitioner.