One 8.7-ounce bottles of unflavored Benefiber Healthy Shape Prebiotic Fiber Supplement Powder for Digestive Health. Dietary fiber powder that helps you feel fuller for longer. Prebiotic supplement that promotes digestive health. Prebiotic powder made with wheat dextrin. Sugar free, gluten free, unflavored fiber powder supplement that dissolves clear and completely. Add this daily fiber powder to your favorite food or drinks without changing their taste and consistency.