Its really beneficial to take glutathione and collagen together. They complement each other, with glutathione primarily aiding in detoxification and skin brightening while collagen focuses on skin Marine Collagen and Glutathione: The Ultimate Skin Duo DR. MARTINS NUTRITION Glutathione Powder 6970mg Berry Flavor, Collagen & Vitamin C, 30 Servings Walmart.com Collagen builds structure and elasticity Glutathione works on brightness and overall skin clarity Together, they support skin from within but only when you stay consistent Skipping days, going on and off,