Free Form. Protects & Promotes Brain Health. Suitable for Vegetarians. Gluten Wheat & Dairy Free. Acetyl L-Carnitine is a molecule that occurs naturally in the brain liver and kidney. It is similar to the amino acid L-Carnitine and is involved in brain energy metabolism. It promotes memory and supports cognition while protecting the brain from oxidative stress. This formulation provides Free Form Acetyl L-Carnitine to promote optimal absorption and assimilation.