Seach ContentHigh-Fiber DietAlso indexed as:Fiber Diets, High-Fiber DietsThe BasicsWhy This DietWhat You will EatWhat to ExpectResourcesRelated TopicsAll High-Fiber RecipesFiber in the DietThe BasicsThe high-fiber diet aims to increase fiber intake to 25 to 40 grams per day, an amount linked to reduced risk of many chronic diseases, including cancer, heart disease, certain gastrointestinal condition