Only Citrucel has SmartFiber - SmartFiber is derived from cellulose which occurs naturally in plants and is the most abundant, renewable fiber on earth;Citrucel with SmartFiber is designed to be less harsh on your system;Citrucel with SmartFiber is 0% fermentable, so unlike psyllium, SmartFiber can not, will not cause excess gas or bloating, is non-allergenic and gluten free;Please read all label information on delivery

• Citrucel Fiber Therapy for Regularity 500 mg, 480 Caplets

Citrucel Fiber Therapy for Regularity 500 mg, 480 CapletsCitrucel