What is A2 dairy?
What is “A2” Dairy?
TL;DR = Many people don’t have digestive or health problems with A2 Milk compared to “normal” A1 milk.
Still interested? Well, we’re going to get quite nerdy here. A1 and A2 dairy refer to the genetic makeup of the cow. All dairy has “A1” and “A2” dairy in it, but A2 dairy is 100% from an A2 cow. Dairy from an A2 cow is identical, save for the 67th amino acid in the chain.
At position 67 in the A1 chain, when digested, this breaks off and causes a bit of havoc:
| A1 (Has BCM-7 – Beta-casomorphine-7) | A2 – Proline amino acid |
‘Histidine’ causes kids to develop:
|
|
Typically, converting a dairy herd takes about 10 years, starting with genetic testing of existing cows and continuing with a breeding program using pure A2 bulls. So A2 is coming and one day all dairy will be A2. For now, you have to buy it specifically. It is more expensive but becoming more available. The taste is identical.
Yes, there is an 100% Organic A2 option for the Mighty Microbes probiotic!
There are fewer calories, and it’s less creamy since it doesn’t include cream. It still has high numbers, but it’s better for people with dairy sensitivities and people who want to use it in their smoothies.
Subscribe to our newsletter
© 2026 Quantum Medical Research. All rights reserved