Chambial S. et al., ‘Vitamin C in disease prevention and cure: an overview, Indian Journal of Clinical Biochemistry, vol. 28, no. 4, 2013, p. 314-328.
Gombart AF, et al. A Review of Micronutrients and the Immune System-Working in Harmony to Reduce the Risk of Infection. Nutrients. 2020 Jan 16;12(1):236
Maggini S. et al. Immune Function and Micronutrient Requirements Change over the Life Course. Nutrients. 2018 Oct 17;10(10). pii: E1531
World Health Organization and Food and Agriculture Organization of the United Nations. Vitamin and Mineral Requirements of Human Nutrition. 2nd edition. 2004.
Konig D. et al., ‘Zinc, iron and magnesium status in
athletes – influence on the regulation of exercise induced stress and immune
function’, Exercise Immunol Review, vol. 4, 1998, p. 2-21.