The Mayo Clinic position is unambiguous: there is no solid proof that B12 shots help you lose weight
Do not use any product if the container is damaged, leaking, discolored, compromised, or past the labeled expiration date
If youre a healthy individual and want to use vitamin B12 to support weight loss, you may receive them weekly, monthly, or twice a month
Its stability in acidic media makes it a practical subject for both oral and parenteral animal study designs, and for in-vitro work where pH tolerance simplifies handling
Impaired absorption : If you have conditions like gastrectomy or ileal disease, injections may be needed more frequently, every 4-8 weeks or even monthly