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Its very important for those with a severe deficiency
Despite the existence of such a simple treatment, doctors in the USA, UK, and other countries consistently deny it to patients with B12 deficiency and pernicious anemia
Description Vitamin B12 is naturally found in animal foods
But controlled human efficacy data is sparse, and the single Phase 2 trial tested oral administration rather than the subcutaneous injection most users employ today
If your intrinsic factor is damaged then you definitely need injections
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