where do you give a b12 injection Shots at Home: How, & How Often to Inject Yourself Vitamin B12 Injection Sites: All
Description
Some do it several times a week, and others less frequently

Total volume: The amount of liquid in the vial

There is a reason these pills are cheap
Cycling and breaks Given the unknowns about long-term continuous use, many researchers implement cycling protocols

Full clinical validation is still pending