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The strongest support comes from clinical evidence focused on treating vitamin B12 deficiency, not from general wellness claims What science supports The NIH Fact Sheet for Health Professionals shows that intramuscular B12 injections are effective at raising blood B12 levels and correcting deficiency

Washington Internal Medicine welcomes you in for an array of concierge services, including vitamin B12 injections and folic acid pills

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Supplements are very helpful for people who are deficient such as vegans, older adults, and those with absorption problems but taking extra B12 when you are not deficient is unlikely to boost energy or health

All resolved without intervention

Getting the correct injection dose is key for good treatment