Is Glutathione Safe for Long Term Use on Skin? Dermatologist Insights Scam or Not? Well, Dont fall for the marketing gimmicks. Liposomal Glutathione is the only one that has high bioavailability. The stomachs pH breaks down other forms of glutathione. So, choose the Jarrow Formulas Glutathione Reduced 500 mg 60 Veggie Capsules Vitacost Glutathione injection is widely used. Its benefits include: Skin Benefits Skin Brightening & Whitening Helps reduce melanin production, leading to a lighter, more even skin tone. Reduces Pigmentation