Ultra-pasteurized. Made with milk from cows not treated with rBST (no significant difference has been shown between milk derived from rBST treated and non-rBST treated cows). Holiday Memories: Holiday memories shine a little brighter with the authentic flavor of Land O Lakes Eggnog. Made with wholesome ingredients like milk, sugar, and egg yolks, our traditional eggnog has all the quality you have come to expect from Land O Lakes. Bring back the taste your family loves with the rich, creamy flavor of authentic Land O Lakes eggnog. Family celebrations just wouldn't be the same without it. For almost a century, Land O Lakes has been where simple goodness begins. Purity, quality and extraordinary taste are proud hallmarks of our products. It's a rewarding experience to discover and enjoy genuine flavor and wholesome ingredients. Our commitment to quality is paramount so that you get the very best you deserve. At Land O Lakes, we stand proudly with traditional values like family, harmony with nature, personal contentment and trust. Grade A.