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vitamin b12 injection reddit Doctor said this is normal? : r/B12_Deficiency B12 Deficiency
Description
Individuals with gastrointestinal disorders such as Crohns disease or celiac disease are likely to suffer from impaired B12 absorption

The U100 insulin needles are only meant to be used once

Accessed May 14, 2025

The body tightly regulates B12 absorption through intrinsic factor, a protein produced in the stomach that binds to B12 and facilitates its uptake in the terminal ileum

6 This was associated with a significant increase in average population folate levels, and folate deficiency is now rare in Canada
