Made with milk from cows not treated with rBST (No significant difference has been shown between milk derived from rBST-treated & non-rBST-treated cows). Real challenge. Real difference. Churned daily from pasteurized sweet cream. Grade AA butter first quality. Valuable coupons inside. Grade AA butter. USDA Officially Graded: US Grade AA when graded packed under inspection of the US Dept. of Agriculture. www.challengedairy.com. Questions? Call Toll Free: 1-877-883-2479 or visit www.challengedairy.com. Try delicious Challenge Spreadables. The wholesome quality of Challenge Butter: Smooth, silky, and ready to spread.