LTF and infection: Interestingly, lactoferrin hasbeen shown to protect against SARS-CoV-2 infection by blocking the S proteinheparin-binding domains to a similar degree as heparin, without showing theanticoagulant adverse effects [50].In vitro studies, showed that lactoferrin can inhibit viralinfection in the early stages and is effective against SARS-CoV-2 in thepost-infection phase.