4 HEALTH BENEFITS, 1 DAILY FIBER. Metamucil is the only leading fiber brand made with psyllium husk fiber for 4-in-1 health benefits! PSYLLIUM HUSK FIBER helps support: digestive health*, heart health by lowering cholesterol, healthy blood sugar levels*, and appetite control*. SUGAR-FREE fiber powder with refreshing orange flavor (not a low calorie food). FEEL WHAT LIGHTER FEELS LIKE. Metamucil psyllium husk fiber helps promote regularity* so you can feel lighter and more energetic**. 1 IN 10 AMERICANS GET ENOUGH FIBER from diet alone. Help close your fiber gap by supplementing with Metamucil powders daily. #1 DOCTOR RECOMMENDED fiber brand. Trusted for over 90 years.