NAC N-Acetyl-L-Cysteine Description NAC, or N-Acetyl-L-Cysteine, is a precursor to glutathione, which is part of the body's natural antioxidant defense system. NAC is intended to provide nutritive support for healthy immune function. Size 60ct 600mg Directions Use only as directed. Take one vegetarian capsule up to two times daily with a meal or glass of water. Store in a cool, dry place. Serving Size 1 ea 60 Servings per container Caution Statements Do not use if safety seal is broken or missing. Keep out of reach of children. Keep your licensed health care practitioner informed when using this product. IngredientsAmount per serving% Daily Value NAC N-Acetyl-L-Cysteine 600 mg Key to Ingredients = Daily Value not established. = Percent Daily Value is based on a 2,000 calorie diet. Other Ingredients Vegetable Cellulose Capsule, Cellulose, Stearic Acid, Magnesium Stearate and Silica.