Resveratrol (makes red wine red, makes watermelon insides red, makes wispy skins of Spanish peanuts red)
found to inhibit the replication of Covid-19 by up to 98%

https://www.news-medical.net/news/2...as-SARS-CoV-2-antiviral-study-finds.aspx

way back in 1998, Resveratrol and Quercetin were found to activate the Sirtuin genes, also known as the “fountain of youth” genes.

now both natural plant chemicals have been found to be antiviral against Covid-19 and other dangerous viruses.