Lab One N°1 Colostrum Pro is a dietary supplement that is a concentrated source of immune factors derived from colostrum produced by the mammary glands. The product is made from bovine colostrum collected within 12 hours of giving birth. Each capsule contains 400 mg of pure, bioactive raw material standardized to contain at least 30% IgG, or immunoglobulin G. N°1 Colostrum Pro in Lab One capsules - properties Colostrum bovinum, also known as colostrum or colostrum, is a natural product produced in the mammary glands of mammals, including cows, mares, sheep, and goats, at the end of pregnancy. Several dozen hours after birth, colostrum is converted into milk. The Lab One brand uses bovine colostrum. Thanks to advanced freeze-drying technology, N°1 Colostrum Pro retains its full bioactivity and matches the quality and properties of freshly collected milk. Each package of N°1 Colostrum Pro Lab One contains 60 capsules, which will allow for a month of daily supplementation.