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Review
. 2021 Sep 18;9(9):1266.
doi: 10.3390/biomedicines9091266.

Nutraceuticals and Herbs in Reducing the Risk and Improving the Treatment of COVID-19 by Targeting SARS-CoV-2

Affiliations
Review

Nutraceuticals and Herbs in Reducing the Risk and Improving the Treatment of COVID-19 by Targeting SARS-CoV-2

Priti Tagde et al. Biomedicines. .

Abstract

The worldwide transmission of acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a deadly or devastating disease is known to affect thousands of people every day, many of them dying all over the planet. The main reason for the massive effect of COVID-19 on society is its unpredictable spread, which does not allow for proper planning or management of this disease. Antibiotics, antivirals, and other prescription drugs, necessary and used in therapy, obviously have side effects (minor or significant) on the affected person, there are still not clear enough studies to elucidate their combined effect in this specific treatment, and existing protocols are sometimes unclear and uncertain. In contrast, it has been found that nutraceuticals, supplements, and various herbs can be effective in reducing the chances of SARS-CoV-2 infection, but also in alleviating COVID-19 symptoms. However, not enough specific details are yet available, and precise scientific studies to validate the approved benefits of natural food additives, probiotics, herbs, and nutraceuticals will need to be standardized according to current regulations. These alternative treatments may not have a direct effect on the virus or reduce the risk of infection with it, but these products certainly stimulate the human immune system so that the body is better prepared to fight the disease. This paper aims at a specialized literary foray precisely in the field of these "cures" that can provide real revelations in the therapy of coronavirus infection.

Keywords: COVID-19; SARS-CoV-2; herbs; nutraceuticals; probiotics; supplements; therapy.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA flow-chart summarizing the criteria of selection of the literature. MeSH = Medical Subject Heading.
Figure 2
Figure 2
Structure and spread mechanism of the human coronavirus (Created with BioRender.com).
Figure 3
Figure 3
Targeting SARS-CoV viral entry mechanism. RBD, Receptor-binding domain; ACE2, Angiotensin-converting enzyme 2. (Created with BioRender.com).

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