vitamin b12 shots where to inject Store How B12 in your arm Vitamin B12 Injections — Anupa
Description
PMID 28108470

Active-form methylcobalamin circumvents that bottleneck and supports more predictable cellular uptake

[1] As a compounded product, it is not an FDA-approved commercially manufactured drug

Dan Med Bull 1998;45:459-79

Thats when injections become the most effective route, delivering B12 directly into your system to bypass the problem
