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2. Estimation of antioxidant intakes from diet and supplements in U.S. adults;Chun;Journal of Nutrition,2010
3. Commission Directive 2002/46/EC of the European Parliament and of the Council of 10 June 2002 on the approximation of the laws of the Member States relating to food supplements.
4. Commission Directive 2006/37/EC of 30 March 2006 amending Annex II to Directive 2002/46/EC of the European Parliament and of the Council as regards the inclusion of certain substances.
5. Commission Directive 2008/100/EC of 28 October 2008 amending Council Directive 90/496/EC on nutrition labelling for foodstuffs as regards recommended daily allowances, energy conversion factors and definitions.