This comprehensive review published in 2021 in Nutrients, reviews the main constituents, quality control and an overview of the use of bovine colostrum in health and disease.
Bovine colostrum active constituents include immunoglobulins, cytokines, oligosaccharides and immune factors. It also contains growth factors and hormones which account for many of the health benefits. Multiple studies done in human gut health and immune function show promising therapeutic potential.
Playford, R. J., & Weiser, M. J. (2021). Bovine Colostrum: Its Constituents and Uses. Nutrients, 13(1), 265. https://doi.org/10.3390/nu13010265