Acetyl L Carnitine Supplement (ALCAR) 500 mg Superior Labs Acetyl L Carnitine New Roots Herbal Acetyl L carnitine physical chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression Molecular Psychiatry Vitacost Acetyl L Carnitine HCl 500 mg 120 Capsules Vitacost Acetyl L Carnitine Mark Hyman, MD GNC Acetyl L Carnitine alpha Lipoic Acid 500 mg 200 mg GNC