what are b12 injections used for Benefits of Taking Vitamin 1. Improves Metabolism and Supports Weight Loss Many people suffer from a slow metabolism, causing weight gain and fatigue. With a B12 injection, you can boost Vitamin B12 - Hormone Therapy

[1] Toxicity is extremely rare, though adverse reactions including hypersensitivity can occur, particularly with injectable forms

Many people feel increased energy within hours, though for some it's more gradual over days

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Vegetarians and vegans may have low dietary intake since B12 comes almost entirely from animal products

The area is cleaned with an alcohol swab to prevent infection