---
title: "B12 shot: benefits, risks, tests, options"
description: "A B12 shot is an injection used to treat or prevent vitamin B12 deficiency. Learn symptoms, causes, tests, options, and when to ask your clinician."
canonical: "https://www.vitalsvault.com/treatment-learn/b12-shot"
last-updated: 2026-08-22
---

# B12 shot: benefits, risks, tests, options

> A B12 shot is an injection used to treat or prevent vitamin B12 deficiency. Learn symptoms, causes, tests, options, and when to ask your clinician.

---

Canonical HTML: https://www.vitalsvault.com/treatment-learn/b12-shot
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