Vitamin B12 shot side effects Most people tolerate vitamin B12 injections well, but possible side effects include: Mild: soreness or redness at injection site, mild diarrhea, nausea, headache, itching Rare but serious: allergic reactions (rash, swelling, difficulty breathing), low potassium (hypokalemia), dizziness or heart rate changes Get emergency medical help if you have signs of an allergic reaction to Vitamin B12: hives
Sony Sherpa, MBBS, MD Medical author Dr
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Very good if youre low on energy
Q2: How much BAC water should be added to a 5 mg AOD-9604 vial
Subcutaneous amounts are community research practices, not an approved clinical protocol