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

According to their FAQ page on their website (www.russellstover.com),
all their products are gluten-free.
"Are your products gluten free?
Yes our products are gluten free."

They provide the following additional info for their sugar-free products
"For our sugar-free products the sweeteners used are called maltitol and ACK
(acesulfame potassium). Diabetics please consult your physician."

Hope this helps.

Shelly