Most are good
Bovine colostrum has been used to treat diarrhea
, boost the immune system and combat aging.
There is a hyperimmune bovine colostreum that has been harvested from cows that were injected with certain viruses to increase the effectiveness. Most of the colostrums are certified and should be ok . Colostrum comes in tablet, capsule, powder and liquid forms. You can also find colostrum /pro biotics.