Health and Nutrition
Could a Compound in Broccoli Help Treat a Rare Genetic Disease?
Australian researchers discover that sulforaphane, a natural compound found in broccoli, may help protect nerve cells affected by Friedreich’s ataxia, offering hope for future treatments
- Yitzchak Eitan
- | Updated

If you enjoy broccoli, you may be glad to learn that it contains a compound with potentially significant medical benefits. A new Australian study suggests that a naturally occurring substance found in broccoli could help patients suffering from a rare genetic disorder for which there is currently no cure.
The condition, known as Friedreich's ataxia, is a progressive genetic disease that damages nerve cells in the brain and spinal cord, affecting coordination, walking, and speech. Symptoms typically begin during childhood or adolescence, and as the disease progresses, patients may lose the ability to walk independently. In some cases, the condition can also shorten life expectancy. Friedreich's ataxia is caused by a genetic defect that results in insufficient production of frataxin, a protein essential for normal cellular function.
Broccoli Compound Shows Promise in Laboratory Tests
A team of researchers at Swinburne University of Technology in Melbourne, led by Associate Professor Faith Kwa, investigated sulforaphane, a naturally occurring compound found in broccoli, particularly broccoli sprouts. The researchers developed sensory nerve cells from stem cells donated by patients with Friedreich's ataxia and examined how the compound affected them.
According to the findings, sulforaphane increased frataxin levels in the laboratory-grown cells and helped protect vulnerable nerve cells from damage. The compound also appeared to influence cellular stress and inflammation, two processes associated with the progression of the disease.
What makes the discovery particularly promising is that sulforaphane is a well-known and relatively accessible compound. It has previously been studied in both children and adults, and purified formulations are already commercially available. Researchers believe that if future human trials demonstrate similar benefits, the existing knowledge surrounding sulforaphane could help accelerate the development of a potential treatment.
This possibility is particularly significant because many patients are children, and treatment options for younger patients remain extremely limited.
Researchers Caution That Human Trials Are Still Needed
Despite the encouraging findings, experts emphasize that the research is still in its earliest stages. The experiments were conducted exclusively on laboratory-grown cells, and the compound has not yet been tested in animals or humans specifically for this purpose. Results observed in laboratory conditions do not necessarily translate into effective treatments for patients.
The researchers stress that clinical trials will be essential to determine whether sulforaphane can meaningfully improve symptoms or slow the progression of Friedreich's ataxia. They are currently seeking funding to advance the research, a challenge often faced by scientists studying rare diseases that attract relatively limited financial support and public attention.
Experts caution that eating broccoli will not cure Friedreich's ataxia, and families should not begin administering sulforaphane supplements without medical guidance. Any changes to a patient's treatment should be made only in consultation with their healthcare provider.
While the findings offer a promising direction for future research, much more evidence is needed before sulforaphane can be considered a proven treatment for this serious genetic condition.

