what are the benefits of vitamin b12 injection Shots Right for You? B12 Injection Benefits: Energy, Mood,
Description
In 67% of the studies (n = 8), the adequacy of follow-up of cohorts was not described

Even though you can find B12 in supplement aisles, you really need to make sure youre actually deficient before taking B12 supps
JIMD Rep2019;49:70-9

Immune and Nerve Health Support Beyond weight loss, Vitamin B12 supports healthy nerve function and immune resilience

PubMed World Anti-Doping Agency

Not really, but its always a good idea to have had your breakfast