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Results 1 - 3 of 3 for Canada
  1. Selenium From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... is very rare in the United States and Canada. Selenium deficiency can cause Keshan disease (a type ...
    https://ods.od.nih.gov/factsheets/Selenium-Consumer - Drugs and Supplements
  2. Vitamin C From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... deficiency is rare in the United States and Canada. People who get little or no vitamin C ( ...
    https://ods.od.nih.gov/factsheets/VitaminC-Consumer - Drugs and Supplements
  3. Iodine From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... deficiency is uncommon in the United States and Canada. People who don't get enough iodine cannot ...
    https://ods.od.nih.gov/factsheets/Iodine-Consumer - Drugs and Supplements