can vitamin b12 cause harm if injected to subcutaneous fat Shot: Step-by-Step Guide for Self-Injection Vitamin b12 Injection | CardioMender,
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Rotating sites may reduce irritation when multiple injections are needed

Some will argue that ruminants, horses, and rabbits do not need external supplementation

Surely this disgustingly sadistic approach is rare and the neglect B12 deficient patients face is usually as a result of ignorance

[DOI] [PMC free article] [PubMed] [Google Scholar] 222.Arch JR