Metagenics Herbulk powder (17.5 servings)

What the brand says

Herbulk is a powdered fiber product designed primarily to provide the metabolic benefits of fiber, helping to support healthy intestinal function and integrity. Herbulk can be used alone or as a vital part of any medical food program.* Supports healthy intestinal function.* Great for those who have occasional loose stools.* Supplies satiety-enhancing fiber to create a feeling of fullness.*