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Screening average-risk adults for vitamin B 12 deficiency is not recommended

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Vitamin B12 injection effects can include: Soreness or slight bruising where the needle goes in A warm feeling right after the injection Mild headache in some people, which usually passes quickly Rare allergic reactions, which is why a health check happens first Vitamin B12 injection painful is a common worry, but most people describe it as a quick pinch rather than anything severe

The consultation is completed online through a secure intake form, and your provider may follow up with questions