IgG ProtectCompare to IgG Defense by Purely Integrative Traditionally, colostrum is considered the first food of newborns because it is easily digestible and enhances the immune system. More recently, colostrum has been shown to regulate the immune system and provide vital growth and healing factors. An optimally functioning immune system prevents unwanted toxins and molecules from disturbing the bodys natural homeostasis. Colostrum naturally contains immune