COVID-19 and lactoferrin
Coronavirus

Apparently an italian idea

Roma Tor Vergata

Lattoferrina come potenziale trattamento preventivo e aggiuntivo per Covid-19/

but shared by other authors:

Lactoferrin and COVID-19

Lactoferrin and COVID-19

Lactoferrin is a very efficient iron chelator, that reduces free iron, preventing its use by bacteria and virus-infected cells.
Free iron increases ROS production, that can be counteracted by GSH