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Review

Could Vitamins Help in the Fight Against COVID-19?

1
Reconstructive Surgery & Regenerative Medicine Research Group, Institute of Life Sciences, Swansea University Medical School, Swansea University, Swansea SA28PY, UK
2
Welsh Centre for Burns & Plastic Surgery, Morriston Hospital, Swansea SA66NL, UK
3
Institute for Optimum Nutrition, Ambassador House, Paradise Road, Richmond TW9 1SQ, UK
4
Institute of Life Sciences 1, Swansea University Medical School, Swansea University, Swansea SA2 8PY, UK
*
Authors to whom correspondence should be addressed.
Equal first authors.
Nutrients 2020, 12(9), 2550; https://doi.org/10.3390/nu12092550
Received: 3 August 2020 / Revised: 19 August 2020 / Accepted: 20 August 2020 / Published: 23 August 2020
(This article belongs to the Section Micronutrients and Human Health)
There are limited proven therapeutic options for the prevention and treatment of COVID-19. The role of vitamin and mineral supplementation or “immunonutrition” has previously been explored in a number of clinical trials in intensive care settings, and there are several hypotheses to support their routine use. The aim of this narrative review was to investigate whether vitamin supplementation is beneficial in COVID-19. A systematic search strategy with a narrative literature summary was designed, using the Medline, EMBASE, Cochrane Trials Register, WHO International Clinical Trial Registry, and Nexis media databases. The immune-mediating, antioxidant and antimicrobial roles of vitamins A to E were explored and their potential role in the fight against COVID-19 was evaluated. The major topics extracted for narrative synthesis were physiological and immunological roles of each vitamin, their role in respiratory infections, acute respiratory distress syndrome (ARDS), and COVID-19. Vitamins A to E highlighted potentially beneficial roles in the fight against COVID-19 via antioxidant effects, immunomodulation, enhancing natural barriers, and local paracrine signaling. Level 1 and 2 evidence supports the use of thiamine, vitamin C, and vitamin D in COVID-like respiratory diseases, ARDS, and sepsis. Although there are currently no published clinical trials due to the novelty of SARS-CoV-2 infection, there is pathophysiologic rationale for exploring the use of vitamins in this global pandemic, supported by early anecdotal reports from international groups. The final outcomes of ongoing trials of vitamin supplementation are awaited with interest. View Full-Text
Keywords: COVID-19; SARS-CoV-2; vitamin; immunonutrition; supplementation COVID-19; SARS-CoV-2; vitamin; immunonutrition; supplementation
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MDPI and ACS Style

Jovic, T.H.; Ali, S.R.; Ibrahim, N.; Jessop, Z.M.; Tarassoli, S.P.; Dobbs, T.D.; Holford, P.; Thornton, C.A.; Whitaker, I.S. Could Vitamins Help in the Fight Against COVID-19? Nutrients 2020, 12, 2550. https://doi.org/10.3390/nu12092550

AMA Style

Jovic TH, Ali SR, Ibrahim N, Jessop ZM, Tarassoli SP, Dobbs TD, Holford P, Thornton CA, Whitaker IS. Could Vitamins Help in the Fight Against COVID-19? Nutrients. 2020; 12(9):2550. https://doi.org/10.3390/nu12092550

Chicago/Turabian Style

Jovic, Thomas H., Stephen R. Ali, Nader Ibrahim, Zita M. Jessop, Sam P. Tarassoli, Thomas D. Dobbs, Patrick Holford, Catherine A. Thornton, and Iain S. Whitaker 2020. "Could Vitamins Help in the Fight Against COVID-19?" Nutrients 12, no. 9: 2550. https://doi.org/10.3390/nu12092550

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