Does anyone know about the skin lightening, antioxidant,and detoxifiying pill called L-Glutathione?

sweetbun asked: Are there any side effects for both short and long term use of this pill?
Does it really work?
What is the quantity used for skin lightning?
How about using vitamin C with it? What quantity?
Finally which brand of L-Glutathione is preffered?
 SHARETHIS.addEntry({ title: “Does anyone know about the skin lightening, antioxidant,and detoxifiying pill called L-Glutathione?”, url: [...]

Antioxidants Vitamin C

Reactive oxygen species are constantly present in our environment, but antioxidants vitamin C can effectively stop them from invading the body.

These free radicals are constantly present in the body due to the chemical process that the body undergoes, such as during food conversion. As the body grows old, moreover, more reactive oxygen species are created [...]