Bird, J. K., Murphy, R. A., Ciappio, E. D., & McBurney, M. I. (2017). Risk of Deficiency in Multiple Concurrent Micronutrients in Children and Adults in the United States. Nutrients, 9(7), 655. https://doi.org/10.3390/nu9070655
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5537775/
National Institutes of Health Office of Dietary Supplements. (2020, February 28). Iron fact sheet for health professionals.
https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/
National Institutes of Health Office of Dietary Supplements. (2020, February 4). Vitamin B6 fact sheet for health professionals.
https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/
National Institutes of Health Office of Dietary Supplements. (2020, March 30). Vitamin B12 fact sheet for health professionals.
https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
National Institutes of Health Office of Dietary Supplements. (2020, February 27). Vitamin C fact sheet for health professionals.
https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/
National Institutes of Health Office of Dietary Supplements. (2020, October 9). Vitamin D fact sheet for health professionals.
https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/