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"There is no current scientific evidence that A2 milk has nutrition and health benefits beyond regular milk"

- Greg Miller, chief science officer at the National Dairy Council in the U.S.

It’s not like he has a vested interest or anything.

It doesn’t take much google time to get a more informed answer. The numbers in the studies aren’t large but it’s presumably hard to get ethics for feeding people with a severe stroke intolerance something that is closely related to the allergen. Starting small would seem logical.

Nutrition research is famously bad, worse than social science research. I would want to see a lot of replication before I took it with even a grain of delicious salt. The history of such research is a disappointing one after all. Humans are incredibly diverse, and it’s hard to do good research with controls on us when it comes to diet, but that still means weak prelim studies are often not worth the time of day.

Of course, things like "easier to digest" are neither a nutritive nor health benefit, so technically both that statement and some of the pro-A2 claims could simultaneously be true.

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