There are also varieties that consist of different blends of wheat, oats, barley and rye. (petbusiness.com)
Retailers will want to inventory a variety of manufacturers, all of which use different blends of seeds. (petbusiness.com)
It has made an enormous difference in my gluten free pantry, so I encourage you all to try different blends before settling on one you trust. (thekoreanvegan.com)