how to take b12 injections Do You Need a Prescription for Injections? How to Self-Inject Vitamin B12

However, alcohol increases nausea risk, and the combination with tirzepatide might be poorly tolerated, particularly during the first few weeks on a new dose

Endocrinology (2001) Wilding JPH, Batterham RL, Calanna S, et al

Only the 6-week levels were significantly different between the two groups.[23] Based on the 49 pmol/L (66 ng/L) difference in median milk levels reported at 6 weeks, exclusively breastfed infants would receive an extra 0.01 mcg/kg daily of vitamin B 12 from maternal 50 mcg once daily oral supplementation

The exact schedule and amount may change depending on how well a person tolerates the shot and how much weight they want to lose