We use superior science to make smarter formulas like Jarrow Formulas® Lactoferrin is an immune-supporting glycoprotein found in milk, tears, and mucus. Digestion of lactoferrin by gastric pepsin liberates the immune-supporting peptide lactoferricin B.* One of the biological activities of lactoferrin comes from its powerful ability to facilitate iron absorption.* The formula is freeze dried to better preserve the delicate structure of the lactoferrin. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.