Colostrum is the nourishing and life-giving fluid produced by mammals as food for the newborn in the few days after birth, before milk production begins. Bovine colostrum food supplement is rich in a variety of biologically active proteins, including immunoglobulin. Colostrum vitamin is a good source of protein but also features bioactive proteins, amino acids, and growth factors. Colostrum supplements can be of great benefit when you are recovering from illness or surgery. See the links below for more details.