<<Disclaimer: Verify this information before applying it to your situation.>>

http://www.fritolay.com/consumer/dietary/glutefree.html

Quote from the bottom of the page:

"* Only the regular flavors (I.e., no seasoning or flavor added) of these
products are gluten-free.

Seasoned or flavored products not listed may contain Hydrolyzed Vegetable
Protein (often derived from wheat).

The above products do not contain gluten; however, they are produced on the
same line as our products that do contain gluten. The lines are washed
between batches; however a slight residue may remain on the line.
Individuals who are extremely sensitive may be affected."

Check it out

Jerry