who can give vit b12 injections Should Take Vitamin And Why? Vitamin B12 Injections: Boost Energy
Description
[DOI] [PMC free article] [PubMed] [Google Scholar] Kraus D

Increasing your intake of vitamin B12 through foods or supplements can help prevent deficiency, which may improve side effects like low energy levels and fatigue

By modulating this pathway, researchers explore how it may support investigations into metabolic energy balance, adipose response, and overall metabolic health

I am still debating

Community sources cite upright storage (stopper up) as the standard

The injection is administered into the muscle most commonly the upper arm or thigh
