I recommend looking up a2 on Wikipedia or other sites that aren’t directly trying to sell you a product: https://en.m.wikipedia.org/wiki/A2_milk

I’ve been super happy with Alexandre products.

There may be big state differences due to food regulations.

The dairy industry is very geared to cows, Dairy farmers/industry understand animal care/management/ production very well.
But benefits of sheep milk plus lower enviro impacts sees it becoming more popular.

en.wikipedia.org/wiki/A2_milk
www.agresearch.co.nz/our-research...

Nutritional Study Reveals Advantages of A2/A2 Milk from Alexandre Family Farm#USA#Regenerative_Organic#A2_Milk#Alexandre_Family_Farm#Crescent_City

Introducing BEYOND SWEETS’ New Gluten-Free Treats with A2 Milk#Japan#Tokyo#Gluten-Free#A2_Milk#BEYOND_SWEETS

If you have not tried it go get some A2 milk. Most peoples issues is with the A1 protein.
en.m.wikipedia.org/wiki/A2_milk

Oisix Launches Japan's First Certified A2 Milk to Revitalize Dairy Industry#Japan#Tokyo#Oisix#A2_Milk#Dairy_Industry