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Results 1 - 1 of 1 for Intrinsic
  1. Vitamin B12 From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... with a protein made by the stomach, called intrinsic factor , and the body absorbs them together. Vitamin ... B12 in supplements does need to combine with intrinsic factor to be absorbed. People with pernicious anemia , ...
    https://ods.od.nih.gov/factsheets/VitaminB12-Consumer - Drugs and Supplements