AniForte Colostrum for Pets is made from 100% pure Colostrum. Colostrum is the essential antibody & nutrient-rich milk that is produced during the first 72 hours after birth. Known to benefit immunity, digestion, appetite and even reduce stress. Colostrum is filled with essential vitamins, essential and non-essential amino acids, as well as indispensable immune regulators, such as Lactoferrin and PRP (proline-rich polypeptides).