B12 (hydroxocobalamin) is a prescription-only medicine in the UK and is safest given by, or under the supervision of, a trained clinician
We encourage you to learn more about vitamin B12 benefits, the best vitamin B12 foods, and more
Patients with a history of gastrointestinal issues including gastritis, acid reflux treated with PPIs, or any condition affecting stomach lining integrity already have compromised B12 absorption pathways
Moreover, you should receive a vitamin B12 shot if you have undergone GI surgery, including bariatric surgery
[16] The European Food Safety Authority (EFSA) refers to the collective set of information as "dietary reference values", with population reference intake (PRI) instead of RDA, and average requirement instead of EAR