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Possible side effects may include: Pain, redness, or swelling at the injection site Mild nausea or stomach upset Headache or dizziness in some individuals Allergic reaction (rare)
As such, they may benefit from taking vitamin B12 supplements
I am still on this forum to listen to what works for people
Other claims Recently, vitamin B12 injections and infusions have become popular among healthy people who dont appear to have a deficiency
Misuse voids any implied warranties
A healthcare professional should administer your first shot so they can monitor your reaction and check for any adverse effects
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