You swapped chips for salads. You added fiber. You cut out processed food. So why does your stomach still feel like a balloon by 3 PM? Here's the thing: healthy eating doesn't automatically mean easy digestion. Some of the most nutritious foods out there can still cause bloating, and for reasons that have nothing to do with willpower or diet quality. The real culprit is usually something much more specific, and once you know what it is, you can actually fix it.