The Mushroom That Repairs Damaged Nerves
Share
Every year, half a million people worldwide suffer peripheral nerve injuries. A severed or crushed nerve is one of medicine's most frustrating problems. Recovery is slow, incomplete, and often uncertain. The standard advice: wait, do physiotherapy, and hope.
Researchers at the University of Malaya decided to test whether there was another option. What they found with Lion's Mane mushroom extract was difficult to ignore.
The University of Malaya Discovery
In 2009, researchers at the University of Malaya published a study in the International Journal of Medicinal Mushrooms investigating Lion's Mane extract on peripheral nerve crush injury.
The treated group, given daily oral doses of aqueous Lion's Mane extract, regained full hind-limb function by days 10 to 14. The untreated group took until days 14 to 17. Normal toe-spreading reflex — a precise measure of nerve function — was restored by days 7 to 10 in the treated group, compared to days 12 to 17 in controls.
"Daily administration of Hericium erinaceus extract has a beneficial effect on the recovery of injured peripheral nerve in the early stages of regeneration."
Wong et al., International Journal of Medicinal Mushrooms, 2009
No adverse effects were reported at any point during the study. Recovery was measurably faster, consistently, across every metric tested.
How It Works: The Biology of Nerve Repair
At the centre of Lion's Mane's action is Nerve Growth Factor (NGF) — a protein that governs the survival, maintenance, and regeneration of neurons. When nerve tissue is damaged, NGF is the biological signal that initiates repair.
- NGF stimulation. Hericenones and erinacines in Lion's Mane directly stimulate NGF synthesis, providing the biological signal that triggers nerve repair and regeneration.
- Axonal regeneration. NGF guides damaged nerve fibres to regrow toward their original targets, restoring function along the correct pathways.
- Neurotrophic survival signals. Keep injured neurons alive during the critical early recovery window, preventing further degeneration while repair is underway.
- Anti-inflammatory action. Reduces swelling and inflammatory cytokines at the injury site, clearing the biological environment for clean healing.
Compounds in Lion's Mane have been shown to cross the blood-brain barrier, meaning they can reach the central nervous system directly, not just the peripheral nerves. This matters because the same NGF pathway that accelerates peripheral nerve recovery also operates throughout the entire nervous system.
The Broader Picture
The nerve repair findings are part of a wider body of evidence on Lion's Mane and the nervous system.
A separate randomised, double-blind, controlled pilot trial found that participants with mild Alzheimer's disease who took Lion's Mane daily for 49 weeks showed significant improvement in cognitive scores compared to the placebo group. That improvement reversed when supplementation was discontinued — suggesting the benefit depends on continued use rather than a one-time fix.
A 2025 review in Nutrients catalogued multiple distinct erinacine compounds in Lion's Mane, several of which demonstrated neuroprotective properties including the reduction of amyloid beta deposits associated with cognitive decline.
Beyond the Brain
The NGF pathway that accelerates peripheral nerve recovery also operates in conditions of neurodegeneration, chronic neuropathy, and age-related cognitive decline. Lion's Mane research is converging on a consistent conclusion: this is a compound that supports the nervous system's ability to repair, protect, and sustain itself across its full range of functions.
What This Means for You
- Accelerated nerve recovery. Faster restoration of function following nerve injury, supported by NGF stimulation.
- Axonal regrowth. NGF guides damaged fibres to regrow along the correct pathways.
- Neuroprotection. Compounds that guard against further neuronal degeneration.
- Reduced neuroinflammation. Anti-inflammatory action at injury sites to support clean recovery.
- Long-term nervous system resilience. Sustained NGF support as you age.
The research on Lion's Mane and nerve repair is compelling, particularly the University of Malaya findings and the broader NGF literature. The majority of studies to date have been in animal models. Human clinical trials on nerve repair specifically are an important next step. Lion's Mane is not a substitute for medical treatment. It is a natural compound with a substantive and rapidly growing body of evidence behind it.
Why Quality Matters
The concentration of hericenones and erinacines varies significantly depending on cultivation conditions, harvesting stage, and extraction method. A cheap Lion's Mane product may contain negligible amounts of the bioactives that appear in the research. The difference between a precisely formulated extract and a poorly processed supplement is not marginal — it can be an order of magnitude.
This is why we built STRONOS. 10:1 fruiting body extract. 2,000mg per serving. BRCGS AA certified manufacturing. Every batch formulated to deliver what the science actually uses.
References
- Wong, K.H. et al. International Journal of Medicinal Mushrooms, 11(1), 2009.
- Mori, K. et al. Phytotherapy Research, 23(3), 367–372, 2009.
- Contato, A.G. & Conte-Junior, C.A. Nutrients, 17(8), 1307, 2025.
- Nagano, M. et al. Biomedical Research, 31(4), 231–237, 2010.
- Spelman, K. et al. Journal of Restorative Medicine, 6, 2017.
This article is for informational purposes only and is not intended as medical advice. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. If you are recovering from a nerve injury or neurological condition, please speak to a qualified healthcare professional. Always consult a healthcare professional before making changes to your supplement routine.