whats in b12 injection Shots vs. IV Infusions: What is the difference? The Truth About B12 Injections:
Description
We would certainly recommend taking vitamin B12 as part of a whole B-Complex supplement, or multivitamin

Even if water seems safe, it must be tested regularly for slow-acting bacteria

Can Vitamin B12 injections be administered intravenously

[5] A 2017 study also found that patients with pernicious anemia who received B12 injections showed complete reversal of symptoms in most cases , something oral tablets alone could rarely achieve

Deficiency: Why Your Schedule is Different Its important to understand that a B12 schedule for wellness looks quite different from one designed to treat a clinical deficiency
