US$ 21.67
b1 b2 b6 b12 injection Vitamin Injections: What You Need To Know B1, B6 & B12 -
Description
Beta-blockers are prohibited In-Competition only, in the following sports, and also prohibited Out-of-Competition where indicated (*)

Scientific Reports (2021) 5

The effects of a B12 shot usually last one to two weeks, but the vitamin itself can stay in your system longer

Volume: 30 mL per vial, with a package containing 5 vials
