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  • Vitamin B-12 - Mayo Clinic
    Vitamin B-12 deficiency is not common in the U S However, people who follow a vegetarian or vegan diet might be prone to deficiency because plant foods don't contain vitamin B-12 Older adults and people with digestive tract conditions that affect absorption of nutrients also are susceptible to vitamin B-12 deficiency
  • Vitamin B12 Fact Sheet for Consumers - Office of Dietary . . .
    As a result, they have trouble absorbing vitamin B12 from foods and dietary supplements Doctors usually treat pernicious anemia with vitamin B12 shots, although very high doses of vitamin B12 given by mouth might also be efective
  • VITAMIN B12: Overview, Uses, Side Effects, Precautions . . .
    Learn more about VITAMIN B12 uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain VITAMIN B12




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