vitamin b12 injections pros and cons Shots: B12 Benefits, Uses, Risks Vitamin B12 Injections: Benefits for
Description
The difference between the two methods was statistically significant ( P = 0.016)

This means the B12 is injected into the fatty tissue just beneath the skin

A provider can recommend the right timing based on your testing and response

As long as it returns to a light yellow color and you feel well, it's generally not a cause for concern
