Multivitamin supplementation and COVID-19 incidence and symptom severity in the COcoa Supplement and Multivitamin Outcomes Study (COSMOS) randomized trial
Am J Clin Nutr. 2026 Jun 9;124(1):101355. doi: 10.1016/j.ajcnut.2026.101355. Online ahead of print.ABSTRACTBACKGROUND: The effect of long-term daily multivitamin-mineral (MVM) supplementation on Coronavirus Disease 2019 (COVID-19) prevention and symptom severity remains unclear.OBJECTIVES: We tested

