Over-the-Counter Nasal Spray Could Be Effective Against COVID-19 | BioSpace
An in vitro study conducted by scientists from Northwestern University and Utah State University concluded that components found within the Xlear nasal spray, particularly grapefruit seed extract and xylitol, were successful in statistically reducing the amount of SARS-CoV-2 in a patient.
https://www.biospace.com/article/more-data-suggests-over-the-counter-nasal-spray-is-effective-against-covid-19-virus/