Mednat Lactoferrin is a food supplement that contains a protein called lactoferrin. This protein is a monomeric non-heme iron-binding glycoprotein, which is a component of innate immunity. Among lactoferrin's properties, its ability to bind iron stands out, giving it an important role in inhibiting microbial growth, providing support in mucosal infections, and modulating the motility and biofilm formation of pathogenic bacteria. Furthermore, lactoferrin has the ability to interact with viral infectious processes. Instructions for use Take 1 capsule daily or as recommended by a professional.