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b12 injection sites subcutaneous How to self-inject intramuscular vitamin - Overview Best Vitamin B12 Injection Sites
Description
The mechanism is plausible

It doesn't appear to affect growth factors like IGF-1, which is a key differentiator from full hGH

"The Relation of Cytotoxin-Associated Gene-A Seropositivity with Vitamin B12 Deficiency in Helicobacter pylori -Positive Patients"

May Give An Energy Boost All B vitamins, not just B12, play an important part in how your body produces energy

Hedman CA, Frystyk J, Lindstrm T, Oskarsson P, Arnqvist HJ
