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Senna
Cassia angustifolia
Studied for: Constipation
Constipation
What the research found
Over-the-counter systematic reviews validate that the stimulant botanical senna provides Grade A evidence for chronic constipation, matching synthetic osmotic agents in trial efficacy
Dose used in studies
30 ml, 15 mg: 2 tablets orally once a day to 2 times a day
Side effects reported
well tolerated, prolonged use can lead to laxative dependence
References
Rao 2021: Efficacy and Safety of Over-the-Counter Therapies for Chronic Constipation: An Updated Systematic Review
Not medical advice
Trials are run on specific people, for specific reasons, over a set period. Your medications, conditions and bloodwork can change what is safe for you. Ask a doctor or pharmacist before starting.