Usually a component of wheat, rye or barley.
What we mean is that if your stomach is bloated, different reasons may be the cause for this, and not just overeating.
If you are feeling stuffy after eating, you may have to cut gluten foods at times.
Oats are food that does not have gluten but can cause this problem, so avoid!
In fact, oats have contact with the grains in the manufacturing process.