Vitamin D: What does it do and how to get it
By SSuchy

Sources

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Sources
istock

National Institutes of Health, Vitamin D fact sheet: http://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/

Mayo Clinic, Vitamin D: http://www.mayoclinic.com/health/vitamin-d/NS_patient-vitamind/DSECTION=dosing

By SSuchy— Last Modified: 08/30/2012, First Published: 08/06/2012