what does a b12 injection do reddit 5 weeks after starting injections : r/B12_Deficiency For those taking injectable B12,

Remember that vitamin B12 must attach to a protein called intrinsic factor, which is secreted in the stomach to be absorbed

114,121 Gastrointestinal autonomic neuropathy Gastrointestinal autonomic neuropathy presents with various symptoms, such as esophageal dysmotility, gastroparesis, and enteropathy, including dysphagia, gastroesophageal reflux, delayed gastric emptying, diarrhea, constipation, and fecal incontinence

Gorodezky C, Carranza JM, Bustamante A, Yescas P, Martinez A, Vilatela MEA

474 Several other meta-analyses published in 2025 examining various combinations of randomized controlled trials have had similar findings: colchicine reduced major adverse cardiovascular events risk without reducing mortality or increasing serious side effects in patients with established cardiovascular disease

If you are having pernicious anemia, folic acid may help maintain your red blood cells