What is A2/A2 Milk?

​This is pure cow’s milk.
 
What makes it different is that instead of containing A1 and A2 beta-casein proteins (like ordinary cow’s milk does), our milk comes from cows that produce only the A2 variation of the protein. 

Because A1 can be hard for many people to digest, milk that contains only A2 is a helpful option, allowing people to enjoy milk again. If you have trouble digesting milk — even if you think it is due to lactose intolerance — A2/A2 milk could be the answer for you, too.
 
Human breast, goat, sheep, and water buffalo milks all contain only A2-like proteins, and thousands of years ago, cow’s milk also had only A2. Historians believe that the A1 mutation originated in Europe somewhere around 8,000 years ago, but why it occurred is open to speculation.  Some cows produce only A1, some only A2 and some both proteins. In regular milk production, all the cow’s milks are typically blended together so you get a mix of proteins in the carton.

To get A2/A2 milk, a simple genetic test is used to determine which cows make only that protein variation.  Kiss the Cow Farm has been breeding and growing only A2 heifers and cows for the past few years. Our herd is now A2.  ​
 
We are one of the very few farms in the country (as far as we can tell) who can claim their milk is 100% grass-fed, certified organic, and A2.  (For more about our milk, click here). 
         This is some of the freshest,
          healthiest milk available. 
In 1993, a New Zealand study of Type 1 diabetes and heart disease pointed to milk as an unlikely culprit—specifically, a variety of milk known to scientists as A1, the ubiquitous variety stocked in most of the world’s grocery stores. A1, the research suggested, produces inflammatory compounds in the human digestive system that can cause mild symptoms like stomach pain, bloating, gas, diarrhea and constipation. If these symptoms sound similar to those of lactose intolerance, it’s because they are. And many people may be misdiagnosing themselves when it is really A1 they need to avoid. 
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A1 produces an opioid called beta-casomorphin, or BCM-7, when it hits the small intestine. Some studies claim that it is BCM-7, not lactose, that affects digestion and produces symptoms similar to lactose intolerance, in some people. It is suggested that BCM-7 is the true cause of inflammation that leads to myriad health issues, ranging from eczema and indigestion to diabetes, schizophrenia, and autism. 

Research seems to show, however, that a second type of milk—a variation known as A2—did not have these effects. The study posited that A2 could be better for overall health, and maybe even digestible by those who consider themselves lactose intolerant.  Several animal and human studies show that milk with the A2 protein is more easily digested than that with the A1 protein. 
Information gathered from the following sources:
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