Benny Baby Growth High Calcium Formula Milk Powder is lactose-based, contains more than ten times more iron than ordinary milk, and is rich in vitamin C to help iron absorption, while providing calcium and protein needed by babies. In addition, Gold Aitamei has an upgraded formula with + 25% fish oil and more of Nutricia's patented prebiotic blend to help the development of the immune system. FOS and gos (inulin and galacto-oligosaccharide) are added, which can improve the level of immunoglobulin in vivo, help babies better establish their own immune system, promote digestion and absorption, promote brain development and enhance resistance. These two ingredients can promote gastrointestinal peristalsis, increase gastrointestinal probiotics, strengthen the gastrointestinal digestive function of babies, and effectively improve constipation symptoms.