Quick Answer: Yes, bell peppers do cause gas.
Bell peppers are rich in fiber, glucose, and fructose. Your intestines can have difficulty breaking down and absorbing all of these.
What the stomach can’t make use of, it passes on to your colon. Naturally occurring (healthy) bacteria in the colon ferment these carbohydrates to further reduce their volume. Two byproducts of this process are hydrogen and methane gases.

Hey, I’m Joey. I’ve been cooking since I was a little kid and love everything about it. You can find my writing about food, kitchen appliances (such as blenders) and much more. Thanks for stopping by!