It is produced in abundance during the very first few milkings, and with each milking, less is produced. Colostrum introduces immunoglobulins from the mother to the infant and turns on the child's immune system. Colostrum has incredible immune-balancing benefits. Colostrum contains a rich array of nutrients, including growth factors, lipidic and glucosidic factors, oligosaccharides, antimicrobials, cytokines, and nucleosides. (https://pushmycart.com/products/prakruthi-milk-junnu-powder-ginnu-ginna-seem-paal-kharwas-colostrum-powder-100g)