Disadvantages of using oral forms: inferior absorption, inferior cellular activity, require high compliance with daily dosing
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Types of Needles for B12 Injections When it comes to administering vitamin B12 injections, selecting the right needle is crucial
[DOI] [PubMed] [Google Scholar] 229.Puigserver P, Wu Z, Park CW, Graves R, Wright M, Spiegelman BM
The latter is better, but we recommend methylcobalamin, as it includes a methyl group and directly aids in lowering homocysteine levels and in fixing nerve damage, two issues often faced by pernicious anemia and B12 deficiency patients
FDA reviewers have also cautioned that a peptides similarity to a naturally occurring substance does not eliminate potential risks