Pay in 4 interest-free payments of $5.33 Learn more
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Pernicious anaemia is caused by a deficiency in vitamin B12, due to atrophic gastritis, an autoimmune condition (immune system destroys self), in this case the parietal cells of the stomach that produce intrinsic factor, a glycoprotein that binds to vitamin B12 in the stomach and is essential for normal absorption of vitamin B12 in the small intestine into the blood
M.Fred WenC
Experts therefore consider it to be an effective anti-ageing agent
Many patients use it proactively before travel, high-stress periods, or changes in season
US$ 22.94
US$ 29.75
US$ 24.26
US$ 24.51
US$ 27.34
US$ 28.78
