It should be a simple thing, right? You’ve found you need to avoid gluten, so you’ll knock out the bread, the biscuits, and all the Dunkin’ Donut products. (You’ll decide about your favorite malted barley beer later.)
While this is a good start, it barely begins to be the tip of the iceberg. There are foods that are clearly in the wheat or gluten camp – but there are a far greater number of food products that you wouldn’t suspect.