glutathione skin whitening evidence lightening IV glutathione lacks strong scientific evidence for its skin-lightening effects, and PDF) Glutathione for skin lightening:
Description
Research has indicated that C

Int 4 (2013) S343S352, 10.4103/2152-7806.114813

It is promoted as a safe alternative, leveraging the fact that it is a natural antioxidant produced by the body

The uneducated clinicians will say, you dont have Intrinsic factor antibodies (IFA) so you dont have pernicious anaemia (PA) and so you will stay on tablets because we decided you can now miraculously absorb B12 from food! This ludicrous concept crops up frequently (I have blogged about it before here.) It needs repeating so often PA is just one of many causes and they are all serious and need correct treatment

M., & Kubow, S
