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What is Lactoferrin?

What is Lactoferrin?

Lactoferrin is a protein that is produced most abundantly in breast milk (in particular colostrum, the first milk produced after birth). However, it is also present in our saliva, tears, mucus and white blood cells. So what exactly is it doing in all these obscure places? Lactoferrin is part of your immune system to fight off many different types of infections.