There are definitely no side-effects of using gluta, you know why? Because its ability to whiten your skin is already its side-effect. There is also no harm in its prolonged use. Its advisable to take gluta with meal and never take it with liquor or any alcoholic drink.
While taking this, you wont really become sensitive but you have to at least put sunblock lotion or cream to exposed parts of your body and your face.
The active ingredient, Glutathione is a powerful antioxidant that naturally occurs in the body and is capable of protecting the skin as well as the cornea, lens and retina of the eye against radiation damage.
However, the use of glutathione in high doses for cosmetic purposes is a non-regulated procedure which could be fatal if not properly used. Glutathione is a drug and must be administered by a doctor or registered nurse. Side effects include nausea, vomiting, abdominal pain, liver failure and death.
The quest for lighter skin could cost you your life. This unregulated use of high dose glutathione is relatively new and time will tell what side effects may occur in the long term.