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The best choice for you will hinge on why you became deficient in the first place, something you and your healthcare provider can figure out together
High-dose oral b12 (1000 to 2000 mcg daily) provides adequate absorption through passive diffusion even without intrinsic factor
Injections are delivered monthly, when possible, but only with a healthcare professional
We look for signs like less fatigue, better nerve function, and feeling better overall
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
US$ 28.26
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