b12 injections subcutaneous or im vs intramuscular 💉what’s the difference?🤔 #vitamintherapy #theb12store #injection B12 Shots at Home: How,

KEY MESSAGES: NASO B12 provided much superior absorption of vitamin B12 when compared with oral vitamin B12 and can be used as an effective alternative

I'm quite thin, which may have something to do with it.

I am struggling with headaches recently and not sure if its a b12 thing

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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