can you use insulin syringe for b12 injections Dr. prescribed injections. Pharmacy only gave me vials. Where do get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency How to self administer subcutaneous

Cyanocobalamin is a form of vitamin B12 derived from cyanide and should be avoided

Now, lets take a closer look at what Vitamin B12 shots are all about

If you develop severe allergic reactions such as difficulty breathing, facial swelling, or widespread rash after a B12 injection, call 999 or go to A&E immediately, as these may indicate anaphylaxis, though this is extremely rare

Temperature excursions above 8C cause irreversible structural changes that neither appearance nor home testing can detect

Who needs B12 shots

It may also enhance the activity of certain immune cells, which may ward off viruses and chronic disease such as cancer, according to a 2020 review in the medical journal, Nature (2)