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We do not publish dosing figures because they are not a safe substitute for a providers assessment
PMID 11817985
Both bypass the gut, so both produce strong serum levels
Vitamin B12 is a nutrient that offers numerous benefits to the body, including: Helping make your blood cells healthy Helping with nerve cell function Making DNA, the genetic material in all of your cells Helping prevent megaloblastic anemia, a blood condition that makes people tired and weak Some groups are at heightened risk of B12 deficiency, including: Older adults Vegans Vegetarians People with digestive issues, such as celiac disease or Crohn's disease People who have had stomach or intestinal surgery If a B12 deficiency goes untreated, it can cause physical, neurological, and psychological problems
Neurological recovery from B12 deficiency typically takes months, though some patients report reduced symptoms within weeks of starting treatment
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