Others notice gradual decline
Playing a crucial role in various biological functions, peptides serve as messengers, delivering precise instructions to the bodys cells
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This includes confirmed low serum vitamin B12 levels, pernicious anaemia, malabsorption states such as coeliac disease, inflammatory bowel disease, or post-gastric or bariatric surgery, unexplained anaemia, neuropathy or neurological symptoms consistent with vitamin B12 deficiency, a long-term vegan diet with symptoms or low levels, or failure of oral vitamin B12 supplementation
[PMID: 16743256] PubMed record related to this compound for laboratory literature review