Colostrum 650 mg, 60 Tablets - Source NaturalsSource Naturals Colostrum, 650 mg, 60 Tablets, is a dietary supplement derived from true bovine colostrum, not cheese whey. Colostrum is a nutrientrich fluid produced by mammals in the first 48 to 72 hours after giving birth. This product is collected within the first 12 hours of production to ensure maximum potency. The colostrum is then standardized to ensure that key proteins make up 30% of the final product. The supplement contains a variety of