Extra Strength Stool Softener is available in a 250 mg dosage. The formula is stimulant-free and helps to provide relief from infrequent constipation. This docusate sodium stool softener helps prevent dry, hard bowel movements. This dosage generally produces a result within 12 to 72 hours. For comfortable alleviation, use this product as needed. It is helpful whether your body is adjusting to traveling on vacation, coping with stress or reacting to other medications. Consult with your doctor when adding medicine to an existing regimen. Compare to Colace Stool Softener Active Ingredient. | Relieves Constipation. Gentle and Effective. | Extra Strength. | Stimulant-free for comfortable relief. | Docusate Sodium 100 mg.