Herbs of Gold Acetyl L-Carnitine contains 500mg of carnitine, an amino acid that supports energy production and muscle performance. Acetyl L-Carnitine is a specific form of carnitine that has the ability to cross the blood brain barrier. Acetyl L-Carnitine maintains brain and cognitive function and helps the synthesis of neurotransmitters, including acetylcholine. Acetyl L-Carnitine supports nerve conduction and nervous system health. Acetyl L-Carnitine supports muscle endurance and assists post exercise recovery. Acetyl L-Carnitine provides antioxidant activity to reduce free radicals formed in the body. Acetyl L-Carnitine supports cardiovascular system health and sperm production and motility. Adults – Take 2 capsules, once or twice daily, with food, or as directed by your health professional.