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vitamin b12 injection side effects anxiety palpitations jittery Understanding the Shot: Benefits, Risks, and Dosage Guide Could anything here be giving
Description
A large 2026 study found that colon cancer patients with very high B12 levels survived a median of around five years, compared with nearly eleven years for those with normal levels

A B12 shot is recommended for those who have a B12 deficiency or pernicious anemia

It contains B-complex vitamins that support overall blood health and reduce the risk of anaemia
The process is usually very simple: Online Consultation: Youll start by filling out a medical form and might have a video chat with a doctor or a prescribing nurse
[DOI] [PMC free article] [PubMed] [Google Scholar] 5.Liu KW, Dai LK, Jean W

For example, hydroxocobalamin lasts longer, so its given less often