“Just as women produce high-quality colostrum after giving birth, cows also produce colostrum after their calves are born,” she says. “The health benefits of cow colostrum have been studied for decades and for multiple areas of human health, including immunity, gut health, digestive health, and sports performance,” says Mia Syn, MS, RDN. For children over age one who are no longer breastfeeding, Syn suggests taking cow colostrum via a dietary supplement.