Psyllium fiber in Metamucil Wafer has four major advantages when taken daily: Because it forms a gel that moves through the digestive tract, it helps trap and remove waste from the digestive system When taken with food, keep glucose or blood sugar levels in check to maximize absorption Helps to reduce glycemic response and body weight in type 2 diabetic patients by lowering LDL (bad cholesterol) without decreasing HDL (good cholesterol) When taken with meals, it will help you feel fuller and more satisfied