Lactoferrin

Lactoferrin is a naturally occurring protein found mainly in human milk and other bodily fluids like saliva and tears. It plays a key role in the immune system by helping to fight off bacteria, viruses, and fungi, thanks to its ability to bind and sequester iron—a vital nutrient that pathogens need to grow. Additionally, lactoferrin has anti-inflammatory and antioxidant properties, supporting overall immune health. It is sometimes used as a supplement to boost immunity and promote gut health, especially in infants, athletes, or those with immune challenges.