where to administer vitamin b12 injections How self-inject intramuscular - Overview B12 vitamin Store A Manual

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Age-Related Deficiency Factors Getting older increases the risk of vitamin B12 deficiency

[DOI] [PubMed] [Google Scholar] 14.Yamaguchi T, Omatsu N, Matsushita S, Osumi T

National Library of Medicine (US), MedlinePlus

Screening may be warranted in patients with one or more risk factors, such as gastric or small intestine resections, inflammatory bowel disease, use of metformin for more than four months, use of proton pump inhibitors or histamine H 2 blockers for more than 12 months, vegans or strict vegetarians, and adults older than 75 years