I had an incident yesterday. I have recently been buying cinnamon and strawberry chex which are now gluten free. They have a big Gluten Free logo on the front. Well, my grocery store puts them with all of the other cereal, which is fine, but the box has the same exact graphics just without the big gluten-free logo. I purchased 5 boxes and thought that I had checked them all. Apparently one slipped by me and it was the old cinnamon chex. It only takes about an hour for the brain fog/irritability/extreme fatigue/sleepiness to set it. I fell asleep on the couch at 1pm, relocated to the bed at 2pm, and woke up at 7pm wondering what I possibly could have eating. It didn't take long to find the non gluten-free chex that say "barley malt extract" on them. I still feel a bit foggy but I'm much better than yesterday when I felt like I'd been hit by a truck.