how long b12 injection last Does a Shot In Your Body? Vitamin B12 Injections: What You
Description
Others might need them less frequently
B12 does not stack: once your blood level is in the normal range, extra B12 is simply passed out in your urine rather than converted into more energy

A simple rotation pattern works well: right thigh, left thigh, right deltoid, left deltoid, right hip, left hip, then cycle back
Once the immediate deficiency is corrected, the frequency is reduced to weekly and eventually monthly sessions
