US Food and Drug Administration, Center for Food Safety and Applied Nutrition: Dietary Supplement Health and Education Act of 1994.(http://thomas.loc.gov/cgi-bin/query/D?103: 6:/itemp/-c103ixSIhC:: またはhttp://www.cfsan.fda.go/-dms/dietsupp.html)
European Commission, Directorate-General for Health and Consumers: Food Supplement (http://ec.europa.eu/food/food/labellingnutrition/supplements/index_en.htm)