Colace Regular Strength Stool Softener capsules gently soften hard and painful stool for a number #2 that’s easy to do. Colace is the #1 doctor recommended stool softener brand. Colace docusate sodium stool softener has been trusted by doctors and patients for over 65 years for occasional constipation relief. Colace Regular Strength Stool Softener gently softens stools to relieve many symptoms of occasional constipation, including straining during bowel movements, hard, dry stools, and infrequent or irregular bowel movements. Colace Regular Strength Stool Softener is not a stimulant laxative. Its active ingredient, docusate sodium, allows water and fats to get into the stool, helping to soften and make passing it more comfortable. HSA/FSA EligibleRestrictions apply; contact your insurance provider about plan allowances and requirements.