These links will provide you with additional research and information regarding supplements:
http://www.cfsan.fda.gov/~dms/supplmnt.html
http://www.nlm.nih.gov/medlineplus/vitaminsandminerals.html
http://ods.od.nih.gov/Health_Information/Vitamin_and_Mineral _Supplement_Fact_Sheets.aspx
http://www.nal.usda.gov/fnic/etext/000015.html
http://www.hsph.harvard.edu/nutritionsource/vitamins.html
Clinicians Choices supplements are manufactured in facilities inspected and licensed by the United States Food & Drug Administration.
