Gold star for you if you buy organic, grass-fed milk. ... Increasing research shows that the popular breed of dairy cows produces a milk protein known as A1 beta-casein that may be more difficult for people to digest—and that's not all.

Does organic milk contain casein?

The most significant difference between organic milk and organic A2/A2 milk is the presence of A1 beta casein in organic milk. A2 beta-casein is the main protein found in human milk. Organic A2/A2 milk tastes just like the milk you're already familiar with but is more naturally absorbed and easily digested.

Does grass-fed butter contain casein?

First of all, the beta-casein is removed, leaving just the grass-fed clarified butter fat that contains fat-soluble vitamins. ... Because it's a healthy fat source derived from animals, this also means that is has a high smoking point.