US$ 24.59
vitamin b12 1 mg inject jenapharm Cyanocobalamin for Injection 1000 mcg/ml 100 ml Bottle 250 mL and 500 mL vials Provides 1 Cyanocobalamin, VITAMIN B12 1,000 µg
Description
Therefore, the first place you need to look when the benefits of a methyl-B12 shot seems to wear off too soon is to retry the shots at the same dose and frequency but make the angle of attack much more severe, much closer to the horizontal plane, just under the skin

Barakat, et al
What is Intraarticular Knee Injection

Naproxen works similarly and lasts longer, so you only need to take it twice daily
