Botanical
Senna
Senna is a plant, Senna alexandrina, whose leaves and pods contain sennosides, compounds used as a stimulant laxative.
Also listed as Senna Alexandrina, Daio, Cassia senna, Cassia angustifolia
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each ratingKey studies
The most recent publications linked to Senna's ratings.
Efficacy and Safety of Over-the-Counter Therapies for Chronic Constipation: An Updated Systematic Review2021Senna Versus Magnesium Oxide for the Treatment of Chronic Constipation: A Randomized, Placebo-Controlled Trial.2020Effectiveness of senna vs polyethylene glycol as laxative therapy in children with constipation related to anorectal malformation.2017
Why people take it
Detox27.4%
Gut Health26.4%
Weight Management16.5%
Essential Health14.3%
Immune Support8%
Organ Function4.3%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.