Based on the studies & research glutathione injections are mostly positive for skin whitening. Glutathione is a naturally occurring substance produced by our liver and this naturally present antioxidant is useful for performing a number of activities in our body as building and repairing the body’s tissues, neutralizing free radicals, helping in immunity, and delaying the process of aging. Over the years, the level of glutathione decreases in our body and then accelerates the process of aging in our body. Because of this, people tend to turn to glutathione injections which help in maintaining their younger look along with skin whitening.