b12 injections for allergies Vitamin Injection – Manufacturer 12 (Generic) Injectable Solution is a nutritional support for animals suffering from or at risk of vitamin B12 deficiency Cyanocobalamin (B12) Injection 1000 mcg/mL,
Description
Switching up where you inject helps spread out the medicine
Additionally, USADA provides a drug reference phone line

[PMC free article] [PubMed] [Google Scholar] 15

And since the nutrient is water soluble, you cant take in too much

Its always better to be sure than sorry.
