how to inject b12 in buttocks B-12 (Cyanocobalamin) Shot Therapy How to Self-Inject Vitamin B12

Adequate blood glucose monitoring should be continued and followed

Olasupo Odunsi, MD, Medical Director Reviewed July 22, 2026 B12 shots are marketed everywhere as a weight loss booster

Its been used in weight loss plans ever after, despite debate over its effectiveness

[18] Endogenous vitamin B 12 becomes inactive when exposed to hydrogen cyanide and nitric oxide in cigarette smoke

12 Supplementing with folate, vitamins B6 and B12 is also shown to help lower homocysteine concentrations in patients affected by recurrent pregnancy loss (such as miscarriages) as well as MTHFR mutations

The body uses B12 slowly over time, with excess amounts stored for future use, allowing the vitamin to remain in the body for weeks or even months