Size: 320g/box, Servings: 16 servings (20g) per container lutein: protect children's eyesight and relieve visual fatigue during learning. Lactoferrin is the core immune protein in breast milk; it has the functions of antibacterial, antiviral and regulating rabbit plague, and is known as the "protective umbrella" of health, which plays an important role in the nutritional needs and growth and development of children; the hydrolyzed egg yolk powder can promote the absorption of calcium and inhibit the excessive loss of calcium, thus promoting bone growth and health. Phosphatidylserine: phosphatidyl serine (PS), which helps the brain function efficiently and stimulates brain activation. It has the functions of improving brain function, focusing attention and improving memory.