US$ 22.28
injection of b12 dosage Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL Vitamin B12 Injections | B12
Description
Usually not dangerous, but blindly taking mega-doses because "more is better" isn't always smart either

But...worth trying because they do work for some people (gambit62 has good effect from B12 nasal drops)

Why Vitamin B-12 Injections

It determines how deep the needle penetrates into the muscle tissue
