IRCT20220228054146N1 IRCT 2022-03-02 Oroumia University of Medical Sciences Effects of vitamin C on covid-19 patients Assessment of intravenous of vitamin C therapeutic effects on laboratory findings in covid-19 patients 2021-03-21 anticipated 90 Complete https://irct.ir/trial/62225 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients are divided into two groups of vitamin C treatment (intervention group) and the control group using Block Randomization Method. Initially, 6 blocks are prepared with the AAABBB combination and all possible modes of this combination are listed. A specific code is then assigned to each combination. Then, according to the sample size and the volume of the blocks, 14 blocks are selected ,using randomization method .All this process is done, using Random Allocation Software under the supervision of an epidemiologist, Blinding description: All participants in this study are divided into two groups, receiving vitamin C (intervention group) and the control group, but expect for health staff, no patient knows that the placebo was injected or vitamin C. So only patients in this study are blind. 3 Covid-19. Intervention 1: Intervention group: Injection of vitamin C (Caspian Company) in amount of 1.5 gr for each patient in the intervention group is performed as an intravenous infusion using normal saline serum(500 cc) in 4 hours ,at the moment of entering the ward. Intervention 2: Control group: Injection of placebo in amount of 1.5 gr for each patient in the control group is performed as an intravenous infusion using normal saline serum(500 cc) in 4 hours ,at the moment of entering the ward. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information