Slurpees are just one of those things that are EXTREMELY unlikely to have gluten.

Is there gluten in slushies?

It looks like 7-11 has made some changes to their labeling and most Slurpee's are now listed as Gluten Free. ... Slurpees are definitely not a health food and have no nutritional value, but they are a fun occasional treat. This is where having celiac disease sucks. Some Slurpee flavors are not entirely gluten free!

Are maverick slushies gluten-free?

Mavericks Snacks contain wheat flour and are therefore not gluten free. ⚡ Are Mavericks Snacks kosher?