A2 Casein

Standard cow dairy should be assumed to contain A1 casein unless labeled otherwise. Goat cheese and sheep cheese are the most accessible dietary sources of A2 casein. Goat cheese and sheep cheese are the most accessible natural sources of A2 casein. The recommended dietary shift is to replace conventional cow's milk dairy with A2-casein sources. Cow's milk cheese is acceptable only when explicitly labeled as coming from A2 cows. Replacing conventional cow's milk dairy with A2 casein sources is the recommended dietary change. Cow's milk cheese is acceptable only when explicitly labeled as sourced from A2 cows; standard cow dairy should be assumed to be A1.