May help some avoid discomfort. At the a2 Milk Company, we're on a amission to bring you delicious, nutritious and pure a2 Milk. a2 Milk is naturally occurring cows' milk with added Vitamin A & D. Our milk naturally contains only the A2 protein type (A1 protein free), which may help some people avoid discomfort from milk. We take great care to bring you milk naturally free from the A1 protein from cow to cup. Our cows have not been treated with growth hormones, rBST* or antibiotics and all of our family farms are independently certified by the Validus Group to ensure we meet strict animal welfare guidelines. That's our quality True a2 pledge to you. So please drink to your heart's - and tummy's - delight and feel the difference that a2 Milk can make.