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The ingredients are naturally occurring in the body
25 Patients diagnosed with vitamin B 12 deficiency whose history and physical examination do not suggest an obvious dietary or malabsorptive etiology should be tested for pernicious anemia with anti-intrinsic factor antibodies (positive predictive value = 95%), particularly if other autoimmune disorders are present
DeFoor, M
They show promising results in animal studies, but human evidence is limited, so we cannot confirm real clinical benefit
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