Senna Leaf
Senna alexandrina
A desert shrub documented in Arabic herbal medicine since the ninth century, whose leaflets contain the well-studied sennosides.

- Common name
- Senna Leaf
- Scientific name
- Senna alexandrina
- Family
- Fabaceae
- Plant part
- Leaflet
- Native region
- Nile valley, Arabian peninsula, Sudan
- Traditional systems
- European, Middle Eastern
Botanical classification
A small leguminous shrub of the Fabaceae, harvested for its paired leaflets and, less commonly, its pods.
Origin & traditional use
Senna entered the written record through ninth-century Arabic physicians and passed into European practice through the Salerno school. It has been used as a short-term preparation for regularity for over a millennium.
Modern scientific perspective
Sennosides are among the most thoroughly characterised plant compounds in the regulatory literature, with monographs published by several public health bodies. Their local action in the lower digestive tract is well described.
Evidence snapshot
Established human evidence, supported by regulatory monographs. Intended for occasional, short-term use only.
Proposed mechanisms
Sennosides are converted by colonic microflora into active anthraquinone metabolites that act locally on the bowel wall.
- Anthraquinone activityCompounds studied for their local action in the lower digestive tract.
Key active constituents
- Sennoside A
- Sennoside B
- Anthraquinone glycosides
Safety & considerations
For occasional, short-term use only. Do not use for more than one week without professional guidance. Discontinue if discomfort occurs.
- Contraindications
- Intestinal obstruction, inflammatory bowel conditions, abdominal pain of unknown origin, dehydration.
- Drug interactions
- May affect the absorption of concurrently taken oral medication; separate doses by several hours.
- Pregnancy
- Not for use during pregnancy.
- Breastfeeding
- Not for use while nursing.
- Pregnancy and nursing. Not intended for use during pregnancy or while nursing. Speak with your healthcare provider.
- Medication interaction. If you take prescription medication, speak with your healthcare provider before use.
- Short-term use only. Intended for occasional, short-term use as directed on the label.
References
- 01 Senna leaf: assessment report on Senna alexandrina. European Medicines Agency, EMA Herbal Monograph, 2018 — Government Resource
Related botanicals
Related journal articles
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
