Other Information: Each caplet contains: sodium 10 mg. Store below 77 degrees F (25 degrees C). Protect contents from moisture. Keep tightly closed. Misc: Methylcellulose 500 mg. Bulk forming laxative. Gently relieves constipation. Gluten free. Compare to Citrucel Caplets active ingredient (This product is not manufactured or distributed by GlaxoSmithKline the distributor of Citrucel Caplets). 100% quality guaranteed. Like it or let us make it right. That's our quality promise. 877-932-7948. supervaluprivatebrands.com.