check out this webpage:
You'll notice on the second last column on the right side of the webpage that it is labelled
"Wheat and Gluten sources". Therefore if there is a star indicated by those foods in that particular column you will know that they contain gluten or wheat and that you should avoid these items if you are trying to reduce or avoid gluten altogether. Contact them for further information if you want more details. Their toll free number is 1-877-439-1122/
God bless and may you live long and healthy in the land that God gives you.