Glutathione is known as the master antioxidant for a reason It helps protect your cells from damage, brightens your skin, and supports your liver in detoxifying your body from the inside Glutathione Complex Detox Support Supplement Quicksilver Glutathione Injections: Side Effects & Benefits The appeal of glutathione injections makes sense. Glutathione is one of the most important antioxidants your body produces, and levels drop as you age, making the idea of a quick boost tempting.