Top care® fiber laxative methylcellulose 500mg caplets: bulk-forming laxative; dietary fiber supplement for regularity - helps Restore and maintain regularity and relieves constipation (irregularity) in the treatment of constipation associated with other bowel disorders when recommended by a doctor. *This product is not manufactured or distributed by GlaxoSmithKline the distributor of citrucel® caplets. *This product is not manufactured or distributed by GlaxoSmithKline the distributor of citrucel® caplets. Bulk-form, easy to swallow caplets. Helps regularity & relieves constipation. Gluten free. Compare to citrucel® caplets active Ingredients.*