https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ National Institutes of Health A second source more than $30 billion industry more than $14 billion https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ Multivitamin choice Americans have been using vitamins since the early 1940s $37 billion Multivitamin/mineral Supplements Multi-vitamin dietary supplements http://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ Unknown levels https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ lutein, zeaxanthin, and zinc Multivitamin/Mineral Supplements $37 billion estimates http://ods.od.nih.gov/factsheets/MVMS-HealthProfessional $14.3 billion in 2014 https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ http://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ exponential rise $37 billion https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ $12.5 billion National Institutes of Health https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ National Institute of Health Americans spent an estimated $30 billion https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ sales totaling some $30 billion in 2011 https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ ods.od.nih.gov http://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ studies have shown sales totaling some $30 billion in 2011 https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ Multi-vitamin dietary supplements more than $30 billion industry more than $30 billion industry sales totaling some $30 billion in 2011 https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ an estimated Multivitamin/Mineral Supplements Office of Dietary Supplements NIH to increased risk of a chronic diseases https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ 1 in 3 American kids spent over 14 billion dollars https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/ National Institutes of Health 2010 Dietary Guidelines for Americans $37 billion more than one-third of North Americans take a multivitamin