Glutathione is a tripeptide amino acid produced in the liver primarily from cysteine. It acts as a cellular antioxidant by inhibiting free radical formation. Glutathione has been called the master antioxidant, because it recycles the antioxidants vitamins C and E and also helps to regulate immune cells and detoxify the body. Milk Thistle Extract and Alpha Lipoic Acid are included to enhance Glutathione's liver supporting properties.Each capsule contains: L-Glutathione (Whole Fungus; Candida utilis) 500 mgMilk Thistle Extract (Silybum marianum)  100 mg   Standardized to contain 80% Silymarin) (Seed/Fruit)Alpha Lipoic Acid 50 mg Non-Medicinal Ingredients: Veg Capsule (hypromellose, water), Cellulose, Magnesium Stearate (vegetable source), Silica. Adult Dosage: Take 1 capsule daily, preferably with a meal.