Members Mark Stool Softener, Docusate Sodium 100mg (600 ct.) Bottle About this item Compare to ColaceRelieves occasional constipation (irregularity)Generally produces bowel movement 12 to 72 hours Description Members Mark Stool Softener is effective in relieving occasional constipation. These easy-to-swallow softgels help to produce a bowl movement in 12 to 72 hours, so you can go back to feeling like yourself again. Specifications Gentle and effectiveStimulant freeFor comfortable relief Easy to swallow softgel .