where can you inject b12 How to self-inject intramuscular vitamin - Overview Choosing the Right Needle and

In rare cases, some people might have severe side effects like: Skin rash, itching, or hives Swelling of the face, lips, or tongue Chest pain or tightness Blue tint to the skin Difficulty breathing or wheezing A swollen, painful area on the leg Dizziness If you experience any of the above side effects, reach out to a healthcare provider immediately

However, it can be added to some food products and is available as an injection or oral supplement

The recommendations are non-binding

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Timing considerations Morning and evening applications are common for twice-daily protocols

And since having too much B12 isnt harmful (the body simply excretes the excess), its easier and cheaper to just get a shot (B12 injectables cost $14 apiece if bought online or $20 to $70 at a spa or doctors office)