side effect of vitamin b12 injection Common & Rare Effects Injections Vitamin B12 Side Effects: Risks
Description
It is worth being clear here: in people with normal B12 levels, injections have not been shown to improve athletic performance or endurance

152 mile round trip and no problems
In this study, 22 subjects were given a combination therapy of 250 mL mannitol 20% intravenous infusion for five days along with six weeks of a combined B vitamin capsule containing 10 mg B1, 10 mg B2 and 50 g B12

Researched and written by the author

Constantly change the area where you give shots