1. National Institute of Health. Strengthening knowledge and understanding of dietary supplements. 2013. Available from: http://ods.od.nih.gov/About/DSHEA_Wording.aspx . Cited 4 Feb 2013.
2. Federal Drug Administration. Dietary Supplement Health and Education Act of 1994. 1994. Available from: http://www.fda.gov/RegulatoryInformation/Legislation/FederalFoodDrugandCosmeticActFDCAct/SignificantAmendmentstotheFDCAct/ucm148003.htm . Cited 11 Mar 2013.
3. Saldanha LG. The dietary supplement marketplace. Constantly evolving. Nutr Today. 2007;42(2):52–4.
4. Infographics: highlights from the 2013 Supplement Business Report. Nutr Bus J. 2013. http://newhope360.com/supplements/infographic-highlights-2013-supplement-business-report . Accessed 23 Aug 2014.
5. Nutrition Business Journal Global Supplement and Nutrition Industry Report 2014. Nutr Bus J. 2014. http://newhope360.com/site-files/newhope360.com/files/uploads/2014/Global_Report%20summary.pdf . Accessed 23 Aug 2014.