A Nasal Spray Solution of Grapefruit Seed Extract plus Xylitol Displays Virucidal Activity Against SARS-Cov-2 In Vitro
G. A. Ferrer, A. Betancour, C. C. Go, H. Vazquez, J. B. Westover, V. Cagno, C. Tapparel, M. A. Sanchez-Gonzalez
This paper tests a nasal spray containing xylitol and grapefruit seed extract for in vitro virucidal activity against SARS-CoV-2, finding it reduces infectious virus by over 3 log10.
bioRxiv · Nov 23, 2020 · PreprintCell Biology