Relieves occasional constipation (irregularity). This product usually produces bowel movement in 1/2 to 6 hours. Phillips' is gentle and stimulant-free so it works more like nature intended. Some other overnight laxatives containing stimulants can cause abdominal discomfort and cramps. Stimulant-free Phillips' is different. It encourages your body to take its natural course and relieves constipation comfortably. You don't have to feel worse before you feel better. Cramp free comfortable relief. The full power of regular Phillips' in half the dose!