Colostrum (Bovine Colostrum) 500mg 120 caps from Source NaturalsColostrum, Bovine Colostrum 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. This unique, bovine derived food supplement is rich in a variety of biologically active proteins, including immunoglobulins. Supplement Facts for 500 mg Serving Size: 1 capsule Amount %DV Standardized Colostrum (dried) 500 mg Yielding 150 mg of naturally occurring