Science-Based Nutrition Dietary Supplement Biosint Carnitines Helps Promote Healthy Mood Non-GMO and Gluten Free Vegan Acetyl-L-Carnitine (ALC) is a nutrient that occurs naturally in the body and is fundamentally important for energy generation by the mitochondria "energy factories" in our cells. The acetyl part of the molecule can be used to make acetylcholine, a key chemical messenger in the brain and all the other organs. ALC also is involved in regulating gene activity (epigenetics) and is a versatile protective nutrients for the nervous system. Essential generate energy from foods Helps preserve nerve structure and function Helps promote healthy mood