injections of b12 are given in the treatment of Compounded Cyanocobalamin (Vitamin B12) Injection B12 injections: who needs them

It is often prescribed for individuals with pernicious anemia or other conditions that impair B absorption (for example, after gastric surgery or in certain digestive disorders)

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By combining his expertise with the latest medical advancements, Dr

Butler et al.) This paper was published ten years ago and revolves around the fact that patients with Pernicious Anaemia should be able to passively absorb some B12 through their stomach around 1%

Final Thoughts vitamin B12 overdose is extremely rare , taking excessive amounts through supplements or injections may cause mild side effects in some individuals