A blog article about Lactoferrin was already uploaded on Feb. 12th, 2021, focusing on the antiviral function of Lactoferrin. It is know that Heparan sulfate is a co-receptor for SARS-CoV-2 positioning ACE2 as the primary receptor. The antiviral function of lactoferrin is considered to inhibit SARS-CoV-2 binding to heparan sulfate.
A group from Kagawa Nutrition University is recommending to take 2 capsules of enteric lactoferrin (1 capsule = 30mg) purchasable without doctor’s prescription everyday. You could purchase it easily even from Amazon. Actually, Mongolia shows the world lowest fatality rate, and the group pointed out that Mongolians are taking larger amount of lactoferrin than any other nations in the world.
https://www.eiyo.ac.jp/ions/?p=4407