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[1] [8] Never increase prescription B12 injection frequency without medical supervision, as the underlying cause of persistent symptoms should be investigated
Hydroxocobalamin and cyanocobalamin contain cobalt and can cause sensitivity reactions in some people
When deficiency is diagnosed, lifelong B replacement is often required (especially in pernicious anemia)
Again, the MTHFR enzyme provides us with methylfolate, which is a crucial methyl donor for the conversion of homocysteine to methionine
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