is bac water prescription only Bacteriostatic | USP Grade Ideal for IV Bacteriostatic Water Injection | Empower
Description
It was intimidating taking the injection since the needle is an entire inch long

The answer depends on the desired concentration

Timeline varies by baseline B12 status, genetics, and lifestyle factors

Who Shouldnt Take Vitamin B12 Shots If you have certain medical conditions, supplementing with vitamin B12 injections could be dangerous (4)
