how fast is b12 injection absorbed Does a Vitamin Shot Work? How Quickly Does a B12
Description
Whether you should continue taking Vitamin B complex injections depends on individual needs and goals

Interactions Some drugs cause poor absorption of vitamins, the most important of them are Antibiotics, Anti-inflammatory agents, Folic acid antagonists, and Antirheumatic

PubMed,

If your B12 is already normal, an injection is unlikely to change how you feel

Shaking the vial instead of gentle swirling damages peptide structure

This schedule maintains adequate B12 levels and prevents relapse of deficiency symptoms
