Senna Natural Laxative, 30 capsules, Nutrific Helps treat constipation Administration: Adults: 1 capsule per day with an adequate amount of water, preferably in the evening, before going to bed - the laxative effect sets in 8-10 hours after ingestion. Precautions: If you exceed the recommended dose Senna can cause stomach pain and diarrhea. Ingredients: Each capsule contains: standardized extract of Senna 480mg; capsule: vegetable cellulose. Presentation: 30 capsules