<<Disclaimer: Verify this information before applying it to your situation.>> The Wells Family wrote: > Bob's Red Mill provides an awful lot of GF >ingredients - Potato Starch, Xanthan Gum, Tapioca Flour, you name it. Yes, they list them here: http://www.bobsredmill.com/flours.asp But in the past there were stories of Bob's Red Mill products being contaminated. They sell lots of gluten containing grains, and everything is stone ground. I don't believe one can wash the stone between foods being ground. Have things changed? Don.