how b12 injection works Quickly Does a Shot Work? B12 Shots: Benefits, Uses, Safety,

Archived from the original on 1 January 2017

People with pernicious anemia or people who cannot absorb vitamin B 12 from their intestines will need injections of vitamin B 12 every one to three months indefinitely

8 weeks: ~3 vials 12 weeks: ~6 vials 16 weeks: ~8 vials Insulin Syringes (U-100, 1 mL) Per injection: 1 syringe 8 weeks: ~56 syringes 12 weeks: ~84 syringes 16 weeks: ~112 syringes Bacteriostatic Water (30 mL bottle) Use 3.0 mL per 12 mg vial for reconstitution

Megadosing by doing frequent injections when you dont actually need it can lead to side effects like itchy rash, anxiety, and rapid heartbeat

the Diabetes Prevention Program Outcomes Study (DPPOS)