For years, the easiest way to make an ordinary food sound healthier was to add protein. Now another nutrient is moving toward the front of the package: fiber. High-fiber pastas, breads, crackers, snack bars and drinks are multiplying, while prebiotic ingredients such as chicory root and cassava fiber are appearing in products that once had little connection to digestive health. Whole Foods Market named “Focus on Fiber” one of its major food trends for 2026. The timing makes sense. Fiber has genu