Croton membranaceus Root
A West African plant with an intriguing prostate-health story—rooted in traditional use and increasingly examined through modern research.
A plant rooted in West Africa
For men exploring natural approaches to prostate care, Croton membranaceus may not be as familiar as saw palmetto or pygeum. In West Africa, however, the plant has a much longer history.
Croton membranaceus Müll.Arg. belongs to the Euphorbiaceae family, a large botanical family that includes hundreds of Croton species. The plant itself is a relatively small herb or undershrub, generally reaching about one to two meters in height. It has slender branches, simple leaves and small, pale flowers rather than the showy appearance of many ornamental plants.
Its natural range is concentrated in West Africa, particularly Côte d’Ivoire, Ghana and Nigeria. It grows in moist bush vegetation and savanna at relatively low elevations.
Much of the plant’s medicinal reputation comes from Ghana. Among the Krobo people, it is commonly known as “bokum.” Traditional preparations frequently involve a decoction—essentially simmering the root in water to extract its soluble components. Root preparations have been used for urinary retention and other difficulties associated with prostate enlargement. Modern Ghanaian herbal practice also includes liquid preparations, dried powders and capsules.
Croton vs. BPH: what’s the story?
BPH is a noncancerous enlargement of the prostate that becomes more common with age.
Because the prostate surrounds part of the urethra, enlargement can contribute to a weak urinary stream, urgency, frequent urination, difficulty emptying the bladder and repeated nighttime trips to the bathroom.
The early findings around Croton membranaceus are interesting, particularly in benign prostatic hyperplasia. Emerging research—particularly work published by local researchers—suggests Croton as a possible natural option worth continued study for men interested in urinary health.
A small study, encouraging signals—and important limits
One noteworthy human investigation of Croton membranaceus was a small 2015 study involving 33 men with BPH, 30 of whom completed the study. Their average age was 66. Participants received 20 milligrams of a freeze-dried ethanolic root extract three times daily for three months.
After treatment, the researchers reported improvements in symptom classifications and quality of life. Before treatment, 37% of the participants had symptoms classified as severe, 40% as moderate and 23% as mild. At the end of the study, none remained in the severe category; 57% were classified as moderate and 43% as mild.
Average prostate volume decreased from approximately 102 to 55 cubic centimeters. Average total prostate-specific antigen, or PSA, also declined from 27.9 to 16.2 ng/mL. The investigators observed statistically significant but nonpathological changes in certain bilirubin and lipid-related measurements.
So how might Croton work?
Laboratory research offers possible clues, but it does not yet provide a complete answer.
In studies of human BPH-1 cells, an aqueous root extract promoted mitochondria-dependent apoptosis, a normal process through which the body removes unwanted or abnormal cells. Animal studies have also reported reductions in experimentally enlarged prostates.
These findings help researchers develop hypotheses, but cell and animal experiments cannot tell us how reliably a treatment will work in people. Research is ongoing.
When symptoms need medical attention
Men experiencing an inability to urinate, blood in the urine, fever, significant pain, unexplained weight loss or rapidly worsening symptoms should seek prompt medical care rather than trying to manage the problem with supplements alone.
Traditional knowledge meets modern research
Croton membranaceus sits at a fascinating meeting point between West African traditional medicine and contemporary prostate research.
Its cultural history is meaningful, and current modern academic research in human BPH study has produced encouraging results. Laboratory and animal studies have also identified possible effects on prostate-cell growth.
For now, the story of Croton membranaceus is unfolding to the wider world. We at Senbi Natural are proud to advance a greater understanding of this botanical bounty.
References
1. Asare, George Awuku; Afriyie, Daniel; Ngala, Robert A. et al. “Shrinkage of prostate and improved quality of life: Management of BPH patients with Croton membranaceus ethanolic root extract.” Evidence-Based Complementary and Alternative Medicine, Vol. 2015, 365205, 2015.
2. Afriyie DK, Asare GA, Bugyei K, et al. “Mitochondria-dependent apoptogenic activity of the aqueous root extract of Croton membranaceus against human BPH-1 cells.” Genetics and Molecular Research. 2015 Jan;14(1):149-162. DOI: 10.4238/2015.january.15.18. PMID: 25729946.
Educational notice: This article is provided for general education and is not medical advice. Urinary symptoms and changes in PSA should be evaluated by a qualified healthcare professional.
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