Doctor Recommended No. 1 Brand (among stimulant laxatives). Trusted for guaranteed relief. For use in colonoscopy preparation and bowel cleansing procedures. This Kit Contains: 4 Dulcolax 5 mg Tablets; 1 Dulcolax 10 mg Suppository; 1 Dulcolax Magnesium Citrate Oral Solution; 1 Instruction Manual. Sodium content of liquid 500 mg per dose.