what size needle do you use for a b12 injection Guide to the Best Needles Injections what size needle do i

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Intravenous Access: A qualified healthcare professional will prepare the necessary equipment and locate a suitable vein for intravenous access

"For those who have a severe deficiency, injections can quickly raise the level." Vitamin B12 injections are often self-administered Shanna Levine, a primary care physician and instructor of medicine at the Mount Sinai Health System, believes injections are the best way to get B12 if you have a deficiency