rBST free (No significant difference has been shown between milk derived from rbST treated and non-rbST treated cows). Thank you for choosing Alpenrose. In keeping with our pledge to provide the highest quality dairy products, Alpenrose Dairy only uses milk that is produced naturally. No synthetic hormones, such as rBST, which is used for increased milk production, are ever used in the production of our milk. Fresh from our family to your family. Pasteurized. Homogenized. It's Family. Over the years, our family dairy has been proud to serve Northwest families with the highest quality products. And we pledge to continue our family tradition of excellence throughout the years ahead.