Acetyl L-Carnitine & Alpha-Lipoic Acid For Cellular Vitality Source Naturals Acetyl L-Carnitine & Alpha-Lipoic Acid contains two critical nutrients, acetyl L-carnitine and alpha-lipoic acid, to support your vital metabolic functions. These compounds support the body's own system for the maintenance of cell function as we age.* 650 mg Tablet Option Available: 30, 60, 120, 180, 240 Suggested Use: 1 tablet, 1 to 4 times daily. Allergies: Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.