Image shows a bottle of NOW Foods Psyllium Husk Powder (12 oz / 340 g), a popular dietary fiber supplement.What is Psyllium Husk Powder?Psyllium husk is a form of soluble fiber derived from the seeds of the Plantago ovata plant. When mixed with liquid, it absorbs water and turns into a thick, gel-like substance. [1] ( )Common Health UsesSupports Digestive Health: It helps bulk up stool, making it easier to pass and promoting bowel regularity.Heart Health Support: Soluble fiber as part of a diet low in saturated fat and cholesterol can help lower the risk of heart disease.Weight Management: The expanding gel helps you feel fuller for longer, which can curb overeating.Blood Sugar Balance: It slows down the absorption of food