Nature's Finest Immune Defense Promotes Normal, Healthy GI Tract Supports Healthy, Balanced Immune Response Dietary Supplement Quality - Purity Assured Lactoferrin helps coordinate the body's immune response through several mechanisms of action. Lactoferrin promotes intestinal health by scavenging iron and balancing healthy flora in the GI tract. By modulating healthy levels of iron in the body, Lactoferrin plays a key role in maintaining overall health. Symbiotics 100% Lactoferrin is freeze dried to preserve maximum potency. Extra processing enhances its protein structure to increase effectiveness. Our Lactoferrin comes from USDA Grade A dairies that are hormone, pesticide, antibiotic and rBST free.