Effect of vitamin A supplementation on the outcome severity of COVID-19 in hospitalized patients: A pilot randomized clinical trial.
Mohammad Hossein SomiMasood Faghih DinevariAli TaghizadiehMojtaba VarshochiElham Sadeghi MajdSamaneh AbbasianZeinab NikniazPublished in: Nutrition and health (2022)
The results of this pilot clinical trial showed no benefit of vitamin A compared with the common treatment on outcome severity in hospitalized patients with COVID-19. Although the results are negative, there is still a great need for future clinical studies to provide a higher level of evidence.