Effective in treating occasional constipation and restoring regularity. Fiber Supplement: Each serving adds 3 grams of fiber to your diet. For lowering cholesterol to promote hearth health. Diets low in saturated fat and cholesterol that include 7 grams of soluble fiber per day from psyllium husk as in Metamucil may reduce the risk of heart disease by lowering cholesterol. One adult dose of Metamucil has 2.4 grams of this soluble fiber.Other products from HerbsPro