What are the effects and side effects of L-Glutathione

glutathione is an antiaging/anti oxidant immune system booster so its like a vitamins that help to make your body stronger. The side effect to what they say it make your skin whiter and better. U should take it with vitamins c 2x times the dosage of your glutathione.k.

Harmful effects of intravenuous glutathione? How much it'll lighten the skin?