14 In contrast, Weschawalit et al 3 reported a statistically significant effect of glutathione as a skin-lightening agent, but this was limited to a group of participants aged older than 40 years who received GSH, a reduced form of glutathione, on the sun-exposed area of the right forearm
By the way, even if you dont have pernicious anemia, but a severe B12 deficiency due to other causes, B12 shots are still the way to go
Tri-Immune injections are designed for individuals looking to: - Strengthen Immune Function: Ideal for those exposed to high levels of stress, environmental toxins, or who frequently experience illness
Sometimes it can also be done at a medical center through your gastroenterologist so if you cannot get him to order one of the labs above, ask for GI referral
10.1038/ajg.2010.438 12 BuchbinderE