where do you inject b12 injections to Vitamin Best Vitamin B12 Injection Site:
Description
Add 3.0 mL bacteriostatic water to one 2 mg vial ~0.667 mg/mL (667 mcg/mL), a large, easy-to-measure dilution

They are not for human consumption, medical, or veterinary use

Vitamin B12 should be a consistent supplement taken on a regular basis, as your body is not able to store Vitamin B12 like other vitamins for long periods of time
The most important first step to find out if you need injectable B12 for humans is to talk with a healthcare provider
