Vitamin C Plus Vitamin D

. 2021 Apr 12;13(4):1261.

doi: 10.3390/nu13041261.

Does Evidence Exist to Blunt Inflammatory Response by Nutraceutical Supplementation during COVID-19 Pandemic? An Overview of Systematic Reviews of Vitamin D, Vitamin C, Melatonin, and Zinc

Affiliations

PMID: 33921297
PMCID: PMC8069903
DOI: 10.3390/nu13041261

Free PMC article

Does Evidence Exist to Blunt Inflammatory Response by Nutraceutical Supplementation during COVID-19 Pandemic? An Overview of Systematic Reviews of Vitamin D, Vitamin C, Melatonin, and Zinc

Salvatore Corrao et al. Nutrients. 2021 .

Free PMC article

Abstract

More than one year has passed since the first cases of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome (SARS)-CoV-2 coronavirus were reported in Wuhan (China), rapidly evolving into a global pandemic. This infectious disease has become a major public health challenge in the world. Unfortunately, to date, no specific antivirals have been proven to be effective against COVID-19, and although a few vaccines are available, the mortality rate is not decreasing but is still increasing. One therapeutic strategy has been focused on infection prevention and control measures. In this regard, the use of nutraceutical supports may play a role against some aspect of the infection, particularly the inflammatory state and the immune system function of patients, thus representing a strategy to control the worst outcomes of this pandemic. For this reason, we performed an overview including meta-analyses and systematic reviews to assess the association among melatonin, vitamin C, vitamin D, zinc supplementation and inflammatory markers using three databases, namely, MEDLINE, PubMed Central and the Cochrane Library of Systematic Reviews. According to the evidence available, an intake of 50,000 IU/month of vitamin D showed efficacy in CRP. An amount of 1 to 2 g per day of vitamin C demonstrated efficacy both in CRP and endothelial function, and a dosage of melatonin ranging from 5 to 25 mg /day showed good evidence of efficacy in CRP, TNF and IL6. A dose of 50 mg/day of elemental zinc supplementation showed positive results in CRP. Based on the data reported in this review, the public health system could consider whether it is possible to supplement the current limited preventive measures through targeted nutraceutical large-scale administration.

Keywords: COVID-19; SARS-CoV-2; inflammation; melatonin; nutraceuticals; overview; systematic review; vitamin C; vitamin D; zinc.

Conflict of interest statement

The authors declare no conflict of interest.

Figures

**Figure 1**
Flow diagram of the study selection process.

**Figure 2**
A Measurement Tool to Checklist Assess Systematic Reviews (AMSTAR) assessment for each systematic review, sorted by year of publication. Colors are referred to scores: green is referred to "high scores" (8–11 points) and yellow to "moderate" (4–7 points). No systematic review had a "low" (<3 points) evaluation.

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References

1. Watkins J. Preventing a covid-19 pandemic. BMJ. 2020;368:m810. doi: 10.1136/bmj.m810. - DOI - PubMed
1. Gupta R., Hussain A., Misra A. Diabetes and COVID-19: Evidence, current status and unanswered research questions. Eur. J. Clin. Nutr. 2020;74:864–870. doi: 10.1038/s41430-020-0652-1. - DOI - PMC - PubMed
1. Wu Z., McGoogan J.M. Characteristics of and Important Lessons from the Coronavirus Disease 2019 (COVID-19) Outbreak in China: Summary of a Report of 72314 Cases from the Chinese Center for Disease Control and Prevention. J. Am. Med. Assoc. 2020;323:1239–1242. doi: 10.1001/jama.2020.2648. - DOI - PubMed
1. Who Coronavirus Disease (COVID-19) Dashboard. [(accessed on 23 January 2021)]; Available online: https://covid19.who.int/
1. Li Q., Guan X., Wu P., Qun L., Xuhua G., Peng W., Xiaoye W., Lei Z., Yeqing T., Ruiqi R., et al. Early transmission dynamics in Wuhan, China, of Novel Coronavirus—Infected pneumonia. N. Engl. J. Med. 2020;382:1199–1207. doi: 10.1056/NEJMoa2001316. - DOI - PMC - PubMed

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Vitamin C Plus Vitamin D

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