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Format: Vial
Conditions such as intestinal or stomach problems, poor nutrition, HIV, pregnancy, old age, veganism and alcoholism can contribute to vitamin B12 deficiency
As a general rule, IM is favored when the goal is rapid correction of a clinical deficiency, when the patient has difficulty absorbing B12 through oral or sublingual routes, or when a provider wants predictable peak serum levels
What is Vitamin B12, and Why Is It Important
Advice Our team explains whether injections are suitable and how they help
When you swallow a B12 pill, several steps have to work for it to be absorbed: stomach acid and the enzyme pepsin must release B12 from food or the supplement, the stomach must secrete a protein called intrinsic factor that binds to B12, and the B12-intrinsic factor complex must reach the ileum (the end of the small intestine) where it is finally absorbed
