b12 liquid injectable Vitamin B-12 Injection, 5,000 mcg/mL, 100 ml Vitamin B Boost Energy and Wellness with
Description
I lost about 4.2 pounds a month on this shot

Some patients start with weekly injections for 46 weeks, then transition to every 24 weeks for maintenance

How long it lasts in the body varies and depends on the deficiency

Who Should Be Careful About Getting B12 Injections

Intramuscular injections (often into the thigh or upper arm) ensure your body gets the full benefit without any loss