1. National Institutes of Health. Multivitamin/mineral Supplements: Fact sheet for Consumers. (2016).
  2. National Institutes of Health. Multivitamin/mineral Supplements: Fact Sheet for Health Professionals. (2015).
  3. Comerford KB. Recent developments in multivitamin/mineral research. Advances in Nutrition. (2013).
  4. Food and Drug Administration (FDA). FDA 101: Dietary Supplements. (2015).
  5. Quality/Criteria Standards. (2019)
  6. National Sanitation Foundation (NSF). Supplement and Vitamin Certification. (2019).
  7. United States Pharmacopenia (USP). Dietary Supplements Verification Program. (2019).
  8. National Institutes of Health. Vitamin and Mineral Supplement Fact Sheets. (2019).
  9. National Institutes of Health. Nutrient Recommendations: Dietary Reference Intakes (DRIs). (2016).
  10. United States Department of Agriculture (USDA). 2015-2020 Dietary Guidelines for Americans. (2015).
  11. United States National Library of Medicine. Vitamins. (2019).
  12. Marcinowska-Suchowierska E, et al. Vitamin D toxicity: A clinical perspective. Frontiers in Enocrinology. (2018).
  13. Murphy S, et al. Multivitamin-multimineral supplements’ effect on total nutrient intake. The American Journal of Clinical Nutrition. (2007).
  14. Rock CL. Multivitamin-multimineral supplements: who uses them?  American Journal of Clinical Nutrition. (2007).
  15. Bailey R, et al. Why US children use dietary supplements. Pediatric Research. (2013).
  16. Scheinfeld N, Dahdah MJ, Scher R. Vitamins and minerals: their role in nail health and disease. Journal of Drugs in Dermatology. (2007).
  17. Chitayat D, et al. Folic acid supplementation for pregnant women and those planning pregnancy: 2015 update. Journal of Clinical Pharmacology. (2016)
  18. Gernand AD, et al. Micronutrient deficiencies in pregnancy worldwide: health effects and prevention. National Reviews in Endocrinology. (2016).
  19. Ingrid Goh Y, et al. Prenatal multivitamin supplementation and rates of congenital anomalies: a meta-analysis. Journal of Obstetrics and Gynecology Canada. (2006).
  20. MRC Vitamin Study Research Group. Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. The Lancet. (1991)  
  21. Wegrzyniak LJ, Repke JT, Ural SH. Treatment of hyperemesis gravidarum. Reviews in Obstetrics & Gynecology. (2012).
  22. Winkler P, et al. Effect of a dietary supplement containing probiotic bacteria plus vitamins and minerals on common cold infections and cellular immune parameters. International Journal of Clinical Pharmacology and Therapeutics. (2005).
  23. Khalesi S, et al. A review of probiotics supplementation in healthy adults: helpful or hype? European Journal of Clinical Nutrition. (2019).
  24. Hemila H, Chalker E. Vitamin C for preventing and treating the common cold. The Cochrane Library. (2013).
  25. Jacobs EJ, et al. Multivitamin use and colorectal cancer incidence in a US cohort: does timing matter? American Journal of Epidemiology. (2003).
  26. World Cancer Research Fund/American Institute for Cancer Research. Colorectal cancer: how diet, nutrition, and physical activity affect colorectal (bowel) cancer risk. (2007).
  27. World Cancer Research Fund/American Institute for Cancer Research. Food, Nutrition, Physical Activity, and the Prevention of Cancer: A Global Perspective. (20070
  28. Summers WK, et al. Complex antioxidant blend improves memory in community-dwelling seniors. Journal of Alzheimer’s Disease. (2010).
  29. Harris E, et al. Effects of a multivitamin, mineral, and herbal supplement on cognition and blood biomarkers in older men: a randomized, placebo-controlled trial. Human Psychopharmacology. (2012).
  30. Harris E, et al. The effect of multivitamin supplementation on mood and stress in older men. Human Psychopharmacology. (2012).
  31. Macpherson H, Silberstein R, Pipingas A. Neurocognitive effects of multivitamin supplementation on the steady state visually evoked potential (SSVEP) measure of brain activity in women. Physiology & Behavior. (2012).
  32. Lakhan SE, Vierira KF. Nutritional therapies for mental disorders. Nutrition Journal. (2008)
  33. Evans JR, Lawrenson JG. Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration. The Cochrane Database of Systematic Reviews. (2017).
  34. Zhao LQ, et al. The effect of multivitamin/mineral supplements on age-related cataracts: a systematic review and meta-analysis. Nutrients. (2014).
  35. How to Take Vitamins and Minerals for the Proper Absorption. (2019).
  36. Biesalski HK, Tinz J. Multivitamin/mineral supplements: Rationale and safety – A systematic review. Nutrition. (2017).
  37. Tolkien Z, et al. Ferrous sulfate supplementation causes significant gastrointestinal side-effects in adults: a systematic review and meta-analysis. PLoS One. (2015).