Sterling Technology takes great pride in our quality colostrum. In every step of our careful process, we guarantee the purest, highest quality products available on today’s market. All our colostrum comes from cattle raised in the United States of America. ColostruMune™ is produced from healthy, nutritionally- supplemented cows on USDA and FDA certified dairy farms. The cattle are carefully fed a scientifically-designed diet that contains the proper balance of legumes and grasses along with minerals and trace minerals to ensure consistently high potency colostrum.