DairyPure® Fat Free Milk. Vitamin A & D. *No significant difference has been shown in milk from cows treated with the artificial growth hormones rbST and non rbST treated cows. One gallon (3.78 L). As your trusted dairy, we're passionate about the purity of our milk. That's why we hold our milk to the highest standard. Our farmers pledge to never use artificial growth hormones, just like we pledge to deliver fresh, quality milk from farm to fridge. Grade A. Pasteurized. Homogenized. GF, gluten free. Comments 1-800-395-7004. www.dairypure.com.