b12 injection adverse effects Vitamin Side and Safety adverse effects of b12 injections

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Researchers should determine suitability based on the requirements of their individual study protocols

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StatPearls (US source) states, Patients generally receive lifelong intramuscular (IM) injections of vitamin B12 (typically 1000 g per month)

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I always warm the ampoule before injecting ,tuck in my bra or waistband while Im prepping all the other bits,I dont use swabs as I know I don't need them ,nurses also don't use them often these days,they tend to sting unless the swabbed areas completely dried before injecting