Purity Lowfat Cultured Buttermilk is the perfect lowfat buttermilk for elevating your baked goods and favorite recipes. Try baking with this lowfat cultured buttermilk to make your biscuits, buttermilk pancakes, cornbread or cakes extra moist and tender, or use it to make homemade buttermilk bread. Reach for Purity Lowfat Cutured Buttermilk to make your family's favorite homemade buttermilk ranch dressing, or enjoy it on its own as a tangy beverage. This lowfat cultured buttermilk is a great substitute to lighten up recipes that call for buttermilk products. This half gallon container of Purity buttermilk is easy to fit in the refrigerator and gives you just enough for making your favorite recipes. Farmer Owned. Community Loved. Since 1925, Purity Dairy has been providing families with fresh, delicious dairy products. And nothing makes our farm families prouder than nourishing yours.