Life Extension, Lactoferrin, 60 VcapsProduct Description Lactoferrin is a milk compound shown to support a strong, healthy immune system response, as well as eye health. Lactoferrin is a supplement in the immune boosting arsenal. Lactoferrin is a versatile substance found in mothers milk that plays an important role in promoting a healthy immune response. Though human colostrum has the highest concentration, followed by human milk, then cows milk, lactoferrin is found throughout the