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10 min read Vaccine Injury Law Resources / Arm Pain / Why Does My Arm Hurt After a Shot
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Vitamin B12 injections can contain cobalt, which can also cause an allergic reaction
Although vitamin B12 side effects are rare, some people may experience headache, swelling, anxiousness and itching when theyve consumed too much vitamin B12 or have a reaction to a dietary supplement
This conversion is an important step in the extraction of energy from proteins and fats
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