how to inject b12 in your leg Best Vitamin Injection Site: Administering B12 Shots Instruction Guide for Intramuscular (IM)
Description
Generalized: Anaphylactic shock and death have been reported with administration of parenteral vitamin B12 (see WARNINGS)
Should I stop taking B12 if I develop joint pain
Energy The research is limited and far from a slam dunk but Cowling says higher doses of B 12 supplementation may increase energy, particularly if you have a deficiency or are at risk of a deficiency

Mood balance : Plays a role in neurotransmitter regulation, reducing feelings of low mood

and Kopchick, J

They will be able to help you weigh the pros and cons and make a decision based on your unique needs
