Suplementos alimenticios: lo que usted necesita saber | Bibliografía

American Cancer Society. Dietary Supplements: How to know what is safe. Accessed mayo 12, 2010

Iowa State University Extension. Supplements. Accessed mayo 12, 2010

Mayo Foundation for Medical Education and Research. Dietary Supplements: Nutrition in a pill?. Accessed mayo 12, 2010

MedLine Plus. Dietary Supplements. Accessed mayo 12, 2010

United States Food and Drug Administration. Dietary Supplements. Accessed mayo 12, 2010

National Institutes of Health Office of Dietary Supplements. Dietary Supplements: Background information. Accessed mayo 12, 2010

United States Department of Agriculture. Dietary Guidelines for Americans 2005: Adequate nutrients within calorie needs. Accessed mayo 12, 2010

United States Food and Drug Administration. Tips for the Savvy Supplement User: Making informed decisions and evaluating information. Accessed mayo 12, 2010

United States Food and Drug Administration. Fortify Your Knowledge About Vitamins. Accessed mayo 12, 2010