Since 1857, Borden has been making delicious and nutritious dairy products that deliver true happiness and Elsie-sized smiles. A jug of Borden Whole Cultured Buttermilk Half-Gallons comes only from cows not treated with rbST, and is packed with the kind of rich, creamy flavor that makes your recipes truly perfect. Made with no additives or preservatives. We call this the Borden difference and we're proud to deliver it every day. Soybean-free. Keep refrigerated.