Remove any air bubbles While the needle is still in the vial, tap the syringe to push any bubbles to the top and gently depress the plunger to push the air bubbles out
Learn how it works, its uses, and safety considerations
Injections are particularly appropriate for those with: Pernicious anaemia, an autoimmune condition affecting B12 absorption Conditions affecting the stomach or small intestine, such as Crohns disease or coeliac disease Those who have had gastric surgery or bariatric procedures Strict vegans and vegetarians not meeting their B12 needs through food or oral supplements For those who can absorb B12 normally, oral supplements are generally an effective and well-evidenced alternative to injections
PubMed Central, Vincenti, Alessandra, et al
Warnings & Precautions: Black box warning: Risk of thyroid C-cell tumors observed in rodents
How do B12 injections work