Psyllium Fiber Supplement. Gluten free. Heart health by lowering cholesterol (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 serving of Metamucil has 2.4 grams of this soluble fiber). See nutrition back for information about soluble fiber and heart disease. Made with real sugar. 114 teaspoons.