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. 2021 Sep 17;8:679312. doi: 10.3389/fnut.2021.679312

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Copyright © 2021 Singh, Kola, Kaur, Singla, Mishra, Panesar, Mallikarjunan and Krishania.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The potency of nutraceuticals and functional foods for preventing viral infections. Pre-intervention as supplements or in combinations with nutraceuticals and nutrient supplements modulate immune responses and prevent viral infections or ameliorate disease severity by acting at different stages of a virus invasion pathway (Nsp15, SARS-CoV-2 endoribonuclease; 6vsb, 2019-nCoV spike glycoprotein; 6lu7, SARS-CoV-2 main protease, ACE2, receptor for SARS-CoV-2; EGCG, Epigallocatechin gallate).