strongest b12 injections at Olympia Vitamin B12 Injections vs. Supplements:
Description
First, hydrochloric acid in the stomach separates vitamin B12 from the attached protein

Minimal response may warrant increasing by 50-100mcg

1996 Mar;10(4):471-80

Who is not a candidate for B12 injections

[30] This property allows the convenient preparation of cobalamin analogs with different substituents, via nucleophilic attack on alkyl halides and vinyl halides
