Hericium erinaceus: an ally for brain health and neurodegenerative prevention
We all want to reach old age with energy, autonomy and a clear mind. But what can we do today so that our brain maintains its vitality tomorrow? In this article we will explore the medicinal mushroom Hericium erinaceus —also known as Lion's Mane—, the most recent scientific research on its role in brain health, and a holistic approach to caring for our mind from now on.
1. What are neurodegenerative diseases?
Neurodegenerative diseases, such as Alzheimer's or Parkinson's, are processes in which neurons progressively lose function or die. In the case of Alzheimer's, two key mechanisms stand out: the formation of β-amyloid plaques between neurons and the accumulation of tau protein tangles inside nerve cells. These alterations compromise neuronal communication, affecting memory, thinking and daily activities.
This degenerative process is accompanied by neuronal inflammation, oxidative stress (excessive production of free radicals) and alterations in the gut-brain axis —a field that is gaining increasing prominence in research—. When the balance of the intestinal microbiota, the blood-brain barrier and the brain environment is compromised, the door to degeneration opens.
2. Hericium erinaceus: what makes it special?
Hericium erinaceus (Lion's Mane mushroom) is a medicinal mushroom with ancestral tradition and, nowadays, with growing scientific support. Recent research has identified several mechanisms by which this mushroom can protect and modulate brain health:
Stimulates nerve growth factor (NGF)
Several scientific studies have confirmed that Hericium stimulates the production of NGF (nerve growth factor), an essential substance for neurons to grow, repair and stay healthy. This is one of its most distinctive and promising effects.
Favors the gut-brain axis
Research has proven that this mushroom improves communication between the gut and the brain, a fundamental axis for mood, memory and mental health. In studies with elderly animals, supplementation with Hericium improved the intestinal microbiota and reduced brain inflammation —clear signs of internal rejuvenation.
Protects against Alzheimer's
In research with Alzheimer's models, Hericium reduced the accumulation of amyloid plaques in the brain, stimulated neurogenesis (creation of new neurons) and protected existing neurons. It also helped decrease oxidative stress and inflammation, two processes directly related to memory loss.
Improves cognitive functions
Several scientific reviews suggest that Hericium can improve concentration, memory and mental clarity, acting as a true natural protector of the nervous system. Although more studies with people are needed, the direction that science indicates is very promising.
This set of actions —neurotrophic, anti-inflammatory, microbiota-modulating and neuroprotective— make Hericium erinaceus a fascinating natural candidate for brain health.
3. How does Hericium erinaceus work?
Imagine that the brain is a garden: there are trees (neurons), paths (synaptic connections), water that irrigates everything (flow of nutrients and oxygen), and valleys that can erode (inflammation, stress). Hericium would be like the "helping hand" that:
Provides nutrients to grow and repair. It stimulates the growth of new branches (neurites) and the repair of old trees (deteriorated neurons). NGF is key in this process: it helps create and maintain connections.
Reduces soil erosion. It decreases oxidative stress and inflammation, preventing the garden's structure from breaking down.
Improves the irrigation system. It modulates the intestinal microbiota and its influence on the brain so that quality nutrients arrive and there is no "contamination" or blockages.
In this way, the increase in NGF favors neuronal survival, the modulation of the microbiome prevents inflammatory metabolites from reaching the brain, and the reduction of inflammation protects neural structures from degeneration.
4. Prevention and daily life: a holistic view
Treating a disease when it is already advanced is much more difficult than preventing it or stopping it in the early stages. That's why we must adopt a comprehensive and preventive approach that combines mycotherapeutic support with lifestyle habits that promote brain health.
Factors that predispose to neurodegenerative diseases
Chronic stress, lack of deep sleep and insufficient rest create fertile ground for neuronal degeneration. A diet poor in antioxidants and rich in processed foods and sugars adds more stress to the system. Sedentary lifestyle and lack of cognitive stimulation weaken neuronal connections, while social isolation and intestinal dysbiosis alter brain balance. Exposure to environmental toxins, disconnection from nature and accelerated life rhythms complete this risk picture.
Good practices to prevent and promote brain health
Restorative sleep. Go to sleep at regular times, avoid blue lights and screens before resting. Deep sleep is when the brain cleanses and regenerates itself.
Living and conscious nutrition. Prioritize fresh foods, preferably organic: vegetables, medicinal mushrooms, algae, organic eggs, healthy fats (omega-3), fish or pasture-raised meat. Natural antioxidants are your allies.
Intelligent movement. Walk in nature, practice strength exercise to create new neuronal connections, and incorporate calming practices such as Tai Chi, Qi Gong, yoga or conscious breathing to regulate the nervous system.
Connections that nourish us. Foster emotional and community bonds. Sharing, creating and relating keeps us mentally alive.
Natural support. Integrate supplements such as Hericium within a global health context, always under professional guidance.
Microbiota care. Consume foods free of pesticides, avoid refined sugars, incorporate fibers and fermented foods, and reduce what generates intestinal inflammation.
Time to be. Allow the mind to rest, the body to regenerate. Strengthen the connection with yourself.
5. Why is a preventive view so important?
When we talk about old age, we often think about "getting there" but not so much about getting there with quality of life. Our goal should not be just to live many years, but to live them with autonomy, clear mind, energy and dignity.
Neurodegeneration begins silently, often decades before the first evident symptoms. If we act consciously today —in lifestyle, nutrition, rest, movement and brain habits— we are investing in our future mind.
"Lion's Mane" is not a miracle solution or a definitive treatment for Alzheimer's. But current scientific research positions it as a neurotrophic, neuroprotective and integrating agent of the gut-brain axis, with real potential for prevention and support of brain health.
From Boscum we want to share this information so that you have knowledge and resources to take care of your mind today, and reach the future with strength and clarity.
Products with Hericium erinaceus at Boscum
Bibliography
- Mori, K., Obara, Y., Hirota, M., Azumi, Y., Kinugasa, S., Inatomi, S., & Nakahata, N. (2008). Nerve growth factor-inducing activity of Hericium erinaceus in 1321N1 human astrocytoma cells. Biological & Pharmaceutical Bulletin, 31(9), 1727–1732. https://doi.org/10.1248/bpb.31.1727
- Priori, E. C., Ratto, D., De Luca, F., Sandionigi, A., Savino, E., Giammello, F., Romeo, M., Brandalise, F., Roda, E., & Rossi, P. (2023). Hericium erinaceus Extract Exerts Beneficial Effects on Gut-Neuroinflammaging-Cognitive Axis in Elderly Mice. Biology, 13(1), 18. https://doi.org/10.3390/biology13010018
- Tsai-Teng, T., Chin-Chu, C., Li-Ya, L., Wan-Ping, C., Chung-Kuang, L., Chien-Chang, S., Chi-Ying, H. F., Chien-Chih, C., & Shiao, Y.-J. (2016). Erinacine A-enriched Hericium erinaceus mycelium ameliorates Alzheimer's disease-related pathologies in APPswe/PS1dE9 transgenic mice. Journal of Biomedical Science, 23(1), 49. https://doi.org/10.1186/s12929-016-0266-z
- Cordaro, M., Trovato Salinaro, A., Siracusa, R., D'Amico, R., Impellizzeri, D., Scuto, M., Ontario, M. L., Cuzzocrea, S., Di Paola, R., Fusco, R., & Calabrese, V. (2021). Key mechanisms and potential implications of Hericium erinaceus in NLRP3 inflammasome activation by reactive oxygen species during Alzheimer's disease. Antioxidants, 10(11), 1664. https://doi.org/10.3390/antiox10111664
- Komoń, A., Romańczuk, K. B., Kamińska-Omasta, K., Wójtowicz, J., Ujazda, D., Bodziony, K., Tyniec, M., & Morshed, K. (2024). Neuroprotective and cognitive benefits of Hericium erinaceus: A comprehensive review of recent clinical studies. Biuletyn Głównej Biblioteki Lekarskiej, 57, 279–290. https://doi.org/10.2478/bgbl-2024-0038