I'm not sure about the new crystal light strawberry-kiwi slurpee. The diet Pepsi slurpee contains a Tagatose, Erythritol, Sucralose blend. My experience with sugar alcohols thus far, is that certain ones definitely have an impact on my blood sugar. Most noticibly, maltitol. Along with that comes gastric distress in my case. I haven't tried any 7-11 slurpees. Based on my prior experiences with SAs, it's probably just as well. Oh, I would definitely count the carbs from the SAs, but that's me, ymmv.