Nose spray info.
Battling COVID-19 with Enovid Nitric Oxide Nasal Spray (NONS)
https://www.israelpharm.com/blog/enovid-nitric-oxide-nasal-spray/
Yes. I’ve seen this Nitric Oxide idea. I think it’s a great breakthrough. However, I believe the Xlear/Xylitol is a better prophylactic and it’s not just for COVID.