NOW Glutathione 500 mg, combined with Milk Thistle Extract and Alpha Lipoic Acid, is a powerful free radical neutralizer that supports healthy aging and cellular health. Glutathione, a potent antioxidant, is critical for immune system function and proper detoxification processes. This supplement helps maintain the activity of vitamins C and E and promotes overall health by neutralizing harmful free radicals. With GMP quality assurance, this product is family-owned and proudly packaged in Canada.