side effects from vitamin b12 injections in humans Vitamin B-12 Benefits | Uses
Description
There are no naturally occurring bioactive forms of vitamin B 12 from plant sources

After that, lifelong monthly injections become the gold standard

Conclusion To the authors knowledge, this is the largest study to date examining patient safety and vitamin B12 deficiency

doi:10.20452/pamw.4287 Orme R, Judge HM, Storey RF
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