vit b12 injection brands Buy Vitamin at BiosenseClinic.com a Licensed Pharmacy – Biosense Clinic Vitamin B12 shots: Uses, benefits,
Description
They are a practical alternative for patients who find tablets difficult to tolerate, though current evidence does not clearly demonstrate superiority over standard high-dose oral tablets
Cell 140 , 4961 (2010)

Read it yourself thats the point

Storage: 20C recommended

Overdoing it, especially through improper supplementation or injections, can lead to unwanted risks

For this reason, even those who consume sufficient amounts of vitamin B12 in their diets could still have a functional B12 deficiency
