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American Academy of Family Physicians: "Vitamins and Minerals: How to Get What You Need."
National Institutes of Health Office of Dietary Supplements: "Zinc."
Oregon State University, Linus Pauling Institute: "Folic Acid," "Calcium," "Choline," "Iron," "Magnesium."
TeensHealth: "Vitamins and Minerals."
Zeisel, S. Advances in Nutrition, November 2010.
Reviewed by Dan Brennan, MD on April 14, 2016
This tool does not provide medical advice. See additional information.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.