can i inject b12 subcutaneously Injections at Home - Safety Guide for Self-Administration Best Vitamin B12 Injection Sites:

This is called the initial loading phase

terminal half-life 20-50 minutes) with a steady-state volume approximating total extracellular fluid, findings that justify loading schedules followed by less frequent injections once tissue stores exceed 2 mg

What the Research Says About Safety Clinical studies on AOD9604 indicate that the peptide is generally welltolerated: In human trials, no significant adverse effects were reported at doses up to 1 mg/day (safety summary) Unlike growth hormone therapies, AOD9604 does not meaningfully elevate IGF1 levels (human data), which may reduce the risk of unwanted growthrelated side effects

Proponents of parenteral therapy state Self-administered injections are also easily taught, economical, and in my experience, effective