What is psyllium: It is a plant that originated in India. The dried seeds are ground and used for baking. The seeds soak up liquid and become mucilaginous. In baking, this keeps the baked goods moist. Why are the husks used in this powder: Not only are there are more nutrients in the husks, the husks are indigestible and are a source of soluble dietary fiber. This means they support the cleansing of the colon and gastrointestinal tract and help maintain regular GI transit. Who should take this supplement: Many Americans obtain insufficient fiber in their diets, so anyone who wants to improve the health and regularity of their gastrointestinal tract could benefit from psyllium. How does it benefit them: Psyllium husks improve and maintain regular GI transit. The bulk from the husks helps provide a constant volume of solid material irrespective of other aspects of the diet or the condition of the gut. It helps the GI tract cleanse itself. Are there other benefits: Yes, many have found cardiovascular benefits, regulation of glucose, and overall increased digestive health.