Purity Whole Chocolate Milk is a is a rich, creamy whole milk full of chocolate flavor. Creamy and delicious, this chocolate flavored milk includes calcium with vitamin D, and it's made with real cocoa. One serving of this delicious whole chocolate milk has 240 calories and 9 grams of protein. Pour some of this half gallon milk jug into a tall glass for a midnight snack or delicious drink any time you have a chocolate craving. Available in a half gallon jug, this whole milk half gallon is perfect for the whole family. 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.