Vitamins and Minerals: References

Academy of Nutrition and Dietetics. Vitamins, minerals, and supplements: do you need to take them? Eatrignt.org.

http://www.eatright.org/resource/food/vitamins-and-supplements/dietary-supplements/vitamins-minerals-and-supplements. Jan 2016. Accessed Feb 2017.

National Agricultural Library, USDA. Questions to ask before taking vitamin and mineral supplements. Nutrition.gov. https://www.nutrition.gov/dietary-supplements/questions-ask-taking-vitamin-and-mineral-supplements. Last modified Feb 2017. Accessed Feb 2017.