A lack of the vitamin means a lack of red blood cells, and different parts of the body, deprived of oxygen carried by red blood cells, will begin to be affected
[DOI] [PMC free article] [PubMed] [Google Scholar] 64.Mller M., Du Preez J.L., Viljoen F.P., Berk M., Harvey B.H
This increase in GLP-1 likely plays an important role in the acute glucose and insulin responses to a given meal
Things that affect absorption: How well your body absorbs B12 from pills can vary
Injections are advised to circumvent potential absorption challenges in the gastrointestinal tract, particularly for those with known issues like Crohn's disease or irritable bowel syndrome, providing a more immediate replenishment compared to oral supplements, which may not be fully absorbed
Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea