Lion's mane mushroom (Hericium erinaceus) contains unique compounds called hericenones and erinacines that stimulate Nerve Growth Factor (NGF) synthesis in laboratory studies. While this mechanism is genuinely interesting and some small clinical trials show promising results for cognition and mood, the research remains in early stages. Most human studies involve small groups over short periods, and clinical validation is still limited. Typical supplementation ranges from 500mg to 3,000mg daily, with effects generally noticed after 4 to 8 weeks.
In This Article
- What Is Lion's Mane Mushroom
- The NGF Mechanism: Why Researchers Are Interested
- Bioactive Compounds: Fruiting Body vs. Mycelium
- What the Clinical Evidence Actually Shows
- 2025 Research Update: Progress and Honest Limitations
- Practical Supplementation Guide
- Lion's Mane in the Kitchen
- Complementary Practices for Cognitive Wellness
- Safety Considerations and Drug Interactions
- Frequently Asked Questions
Key Takeaways
- Unique NGF-stimulating mechanism: Lion's mane contains hericenones and erinacines that promote Nerve Growth Factor synthesis in lab studies, making it the only known mushroom with this specific action on nerve cell growth
- Clinical evidence is genuinely mixed: Some small trials show cognitive and mood improvements, while others show no significant effect. The Alzheimer's Drug Discovery Foundation describes results as "mixed based on small and short-duration clinical trials"
- Benefits may not persist after stopping: A 16-week study found significant cognitive improvements versus placebo, but those benefits declined after participants discontinued supplementation
- Fruiting body and mycelium contain different compounds: Hericenones are found only in the fruiting body while erinacines are found only in the mycelium, which makes the choice of supplement form genuinely important
- More research is needed before strong claims: Reviewers consistently call for larger sample sizes, longer durations, standardized extract formulations, and more diverse study populations before definitive conclusions can be drawn
Medical Disclaimer: This article is for educational purposes only and does not replace professional medical advice. Consult a qualified healthcare provider before starting any supplement. The research discussed below is preliminary and should not be used as the basis for self-treatment of any medical condition.
Among the hundreds of mushroom species studied for potential health benefits, lion's mane (Hericium erinaceus) occupies a unique position. It is the only known mushroom that contains compounds specifically shown to stimulate the synthesis of Nerve Growth Factor, a protein involved in the growth, maintenance, and survival of neurons.
That mechanism alone makes lion's mane genuinely interesting from a neuroscience perspective. But interesting mechanisms and proven clinical benefits are two different things, and it is important to be clear about where the science currently stands. This guide examines lion's mane in depth, presenting what we know, what we do not yet know, and what the most recent research suggests.
If you have read our broader guide to medicinal mushrooms, you will recall that lion's mane was covered briefly alongside reishi, chaga, cordyceps, turkey tail, and maitake. This article goes much deeper into the specific science, the honestly mixed clinical data, and practical guidance for anyone considering lion's mane supplementation.
What Is Lion's Mane Mushroom
Hericium erinaceus is a white, shaggy fungus that grows on hardwood trees in temperate forests across North America, Europe, and Asia. Its cascading spines give it a distinctive appearance that resembles, as the name suggests, the mane of a lion. Other common names include the bearded tooth mushroom, hedgehog mushroom, pom pom mushroom, and yamabushitake in Japanese tradition.
In East Asian medicine, lion's mane has been used for centuries to support digestive health, general vitality, and what traditional practitioners described as "nourishing the mind." Buddhist monks reportedly consumed lion's mane tea to enhance concentration during meditation. While these traditional uses are not clinical evidence, they do represent a long history of human consumption and observation.
As a culinary mushroom, lion's mane is considered a choice edible. It has a distinctive flavour often compared to lobster or crab when cooked, with a tender yet slightly chewy texture. This dual identity as both food and potential therapeutic agent makes it somewhat unusual in the world of medicinal mushrooms, many of which are too tough or bitter for culinary use.
The mushroom grows wild in late summer and autumn, though commercial cultivation has made it available year-round. It is grown on sterilized hardwood substrates, and both the fruiting body (the visible mushroom) and the mycelium (the root-like network that grows through the substrate) are used in supplements, though they contain different bioactive compounds.
The NGF Mechanism: Why Researchers Are Interested
The primary reason lion's mane has attracted scientific attention is its relationship with Nerve Growth Factor (NGF). Understanding this mechanism helps explain both the excitement around this mushroom and the important caveats about what the research does and does not show.
What Is Nerve Growth Factor
Nerve Growth Factor is a neurotrophic protein first discovered by Rita Levi-Montalcini and Stanley Cohen in the 1950s, work that earned them the Nobel Prize in Physiology or Medicine in 1986. NGF plays a fundamental role in the growth, differentiation, maintenance, and survival of nerve cells. It is particularly important for cholinergic neurons in the basal forebrain, which are involved in memory and attention.
NGF levels naturally decline with age, and reduced NGF signalling has been associated with neurodegenerative conditions including Alzheimer's disease. This is why any compound that might safely support NGF production generates significant scientific interest.
How Lion's Mane Stimulates NGF
In the 1990s, Japanese researchers led by Dr. Hirokazu Kawagishi identified two groups of compounds in lion's mane that stimulate NGF synthesis in cell cultures. Hericenones, found in the fruiting body, and erinacines, found in the mycelium, both demonstrated the ability to cross the blood-brain barrier in animal models and promote NGF production.
This was a significant finding because most neurotrophic factors cannot be administered directly (they are too large to cross the blood-brain barrier), so finding small molecules that stimulate the body's own NGF production represented a potentially valuable approach.
The Important Caveat
Here is where precision matters. The NGF-stimulating effects have been well-demonstrated in cell cultures and animal studies. The leap from "stimulates NGF in a petri dish" to "meaningfully improves brain function in humans" is enormous, and many promising lab findings do not translate into clinical benefits. While some human studies do show positive results (discussed in detail below), the NGF mechanism in living humans taking oral lion's mane supplements has not been directly measured or confirmed in clinical settings.
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Bioactive Compounds: Fruiting Body vs. Mycelium
One of the most practical questions for anyone considering lion's mane supplementation is whether to choose products made from the fruiting body, the mycelium, or both. This is not a minor distinction, because the two parts of the organism contain different bioactive compounds.
| Characteristic | Fruiting Body | Mycelium |
|---|---|---|
| NGF compounds | Hericenones (A through H) | Erinacines (A through I) |
| Beta-glucans | Higher concentration | Lower concentration (may include substrate starch) |
| Other compounds | Polysaccharides, ergosterol, terpenoids | Polysaccharides, ergosterol, additional erinacine variants |
| Research base | More human clinical trials | More animal and in vitro NGF studies |
| Cost | Generally higher | Generally lower |
| Substrate concern | Minimal (mushroom is harvested from substrate) | Significant (mycelium grown on grain may include grain starch in final product) |
| Culinary use | Excellent (edible, flavourful) | Not typically consumed as food |
The fruiting body vs. mycelium question is genuinely debated among mycologists and supplement researchers. Proponents of fruiting body products argue that mycelium-on-grain supplements may contain significant amounts of grain starch (sometimes 50% or more) that dilutes the active compounds. Proponents of mycelium products point out that erinacines, which are among the most potent NGF stimulators identified, are found exclusively in the mycelium.
A reasonable approach, suggested by several researchers, is to look for products that contain both fruiting body and mycelium, or to choose products that clearly state their beta-glucan content and provide third-party testing certificates. The key is transparency from the manufacturer about what is actually in the product.
Beyond the NGF-stimulating compounds, lion's mane also contains beta-glucans (polysaccharides that support immune function), ergosterol (a precursor to vitamin D2), various antioxidant compounds, and anti-inflammatory agents. These additional compounds may contribute to the broader health effects observed in some studies.
What the Clinical Evidence Actually Shows
This is the section that requires the most honesty. The clinical evidence for lion's mane is neither overwhelmingly positive nor entirely negative. It is genuinely mixed, and presenting it accurately is more useful than cherry-picking only the favourable studies.
Studies Showing Positive Results
Mori et al., 2009 (Japan): In a double-blind, placebo-controlled trial, 30 Japanese adults aged 50 to 80 with mild cognitive impairment received 250mg tablets of lion's mane (96% fruiting body powder) three times daily for 16 weeks. The treatment group showed significantly improved scores on cognitive function scales compared to placebo at weeks 8, 12, and 16. However, scores decreased after the 4-week washout period when supplementation stopped, suggesting that ongoing use may be needed to maintain benefits.
Nagano et al., 2010 (Japan): A study of 30 women found that 4 weeks of lion's mane cookie consumption (containing 0.5g of fruiting body powder per cookie, 4 cookies daily) resulted in reduced scores on the Indefinite Complaints Index for irritability and anxiety compared to placebo. The study also measured biological markers but did not find significant changes in inflammatory or immune markers.
Saitsu et al., 2019 (Japan): Older adults with mild cognitive decline who took 3g of lion's mane supplement daily for 12 weeks showed improvements in cognitive test scores compared to baseline measurements. This study supported the potential for cognitive benefits but had design limitations.
Studies Showing Limited or No Effect
2025 cognitive study referenced in medicinal mushrooms research: As noted in our medicinal mushrooms overview article, at least one recent study found no significant cognitive effect from lion's mane supplementation, highlighting the inconsistency in the evidence base.
The Alzheimer's Drug Discovery Foundation has assessed the cognitive evidence and concluded that "cognitive effects have been mixed based on small and short-duration clinical trials." This is a fair and accurate summary of where things stand.
What These Studies Have in Common
Almost all human clinical trials of lion's mane share several limitations. Sample sizes have been small, typically between 30 and 80 participants. Study durations have been short, ranging from 4 to 16 weeks. Most studies have been conducted in Japan with relatively homogeneous populations. Dosages and extract types vary between studies, making direct comparisons difficult. And there has been no standardization of what constitutes a "lion's mane supplement" in terms of extract ratios, compound concentrations, or preparation methods.
These limitations do not mean the positive findings are wrong. They mean we cannot be confident about them yet. The difference between "this might help" and "this definitely helps" is precisely the kind of larger, longer, more diverse research that has not yet been done.
2025 Research Update: Progress and Honest Limitations
Research published in 2025 has added new data points to the lion's mane evidence base, though it has not fundamentally changed the picture. Here is what the most recent work shows.
PMC 2025 Narrative Review
A comprehensive narrative review published in 2025 confirmed lion's mane's neuroprotective properties alongside documented antioxidant, anti-inflammatory, and antimicrobial effects. The review synthesized evidence from both preclinical and clinical studies and concluded that while the biological mechanisms are well-supported, clinical validation remains limited. The authors explicitly called for future trials to "include larger, more diverse populations" and to explore "long-term safety and efficacy."
Frontiers in Nutrition 2025 RCT
A randomized controlled trial published in Frontiers in Nutrition in 2025 studied lion's mane in younger adults, an important shift from the older adult populations used in most previous research. The study found that a single dose improved processing speed on the Stroop task, suggesting an acute cognitive effect. After 28 days of supplementation, participants showed a trend toward reduced subjective stress, though this did not reach full statistical significance in all measures.
This study is notable because it demonstrated effects in younger adults and showed potential acute effects after just one dose. However, "trend toward" improvement is scientific language for "we saw something, but it was not strong enough to be statistically conclusive."
The 16-Week Discontinuation Finding
One of the most important findings from the research base is that in the Mori et al. study, cognitive improvements that developed over 16 weeks of supplementation declined during the 4-week period after participants stopped taking lion's mane. This finding has significant practical implications: if benefits do exist, they may require continuous supplementation to maintain. This is neither unusual nor alarming (many supplements and medications work this way), but it is important information for anyone considering long-term use.
New Clinical Trial Registration
The registration of clinical trial NCT06870136, which will evaluate the quality and effects of lion's mane products, indicates that the research community recognizes both the potential and the current gaps. The fact that researchers feel the need to evaluate product quality as part of clinical research underscores the standardization problems in the supplement market.
Research Context: The most honest summary of lion's mane research in 2025 is that the mechanism is genuinely interesting, some small studies show real promise, but the evidence base has not yet reached the point where strong clinical recommendations can be made. Researchers consistently call for standardized extract formulations, larger and more diverse study populations, and longer trial durations. If you choose to supplement, do so with realistic expectations rather than based on overhyped marketing claims.
Practical Supplementation Guide
For those who decide to try lion's mane after understanding the current state of evidence, here is practical guidance drawn from the clinical literature and expert consensus.
Lion's Mane Supplementation Guidelines
- Starting dosage: 500mg to 1,000mg daily, gradually increasing if well tolerated
- Research dosage range: 500mg to 3,000mg daily (most studies used 1,000mg to 3,000mg)
- Timing: Morning is generally preferred for cognitive support, as some people report increased alertness
- Duration: Allow 4 to 8 weeks of consistent daily use before evaluating effects
- Form options: Capsules, powder, tincture (liquid extract), or whole dried mushroom
- Quality markers: Look for beta-glucan content listed on label, third-party testing, and clear disclosure of whether the product contains fruiting body, mycelium, or both
Choosing a Quality Product
The supplement market for lion's mane varies enormously in quality. Products range from pure fruiting body extracts with verified beta-glucan content to mycelium-on-grain powders that may contain more starch than active mushroom compounds. Without standardized formulations (a problem researchers have identified), the burden falls on consumers to evaluate products carefully.
Look for products that disclose the beta-glucan percentage (ideally 20% or higher for extracts), specify whether the product is made from fruiting body, mycelium, or both, provide a Certificate of Analysis from a third-party lab, and avoid proprietary blends that obscure the actual amount of lion's mane in the product.
What to Realistically Expect
Based on the clinical literature, if lion's mane works for you, the effects are likely to be subtle rather than dramatic. You might notice slightly sharper focus, somewhat easier word retrieval, or a mild improvement in mental clarity over several weeks. Some people report reduced feelings of mental fatigue. These are not overnight transformations but rather gradual shifts that some participants in clinical trials have reported.
It is equally possible that you will notice nothing at all. The clinical trials that showed no significant effect are just as valid as those that showed improvement. Individual responses vary, and the current evidence does not allow us to predict who will benefit and who will not.
For those who approach wellness through multiple modalities, some practitioners combine lion's mane supplementation with mindfulness practices and other cognitive support strategies. Aultra Monatomic Gold Ormus is another product in our collection that many customers use as part of their cognitive wellness routine.
Lion's Mane in the Kitchen
One of lion's mane's appeals is that it is genuinely delicious. Unlike many medicinal mushrooms that are too woody or bitter for culinary use, lion's mane is considered a gourmet edible with a flavour profile that stands on its own.
Flavour and Texture
When properly cooked, lion's mane develops a flavour frequently compared to lobster or crab. The texture is tender yet slightly chewy, similar to pulled pork or soft shellfish. This makes it an excellent substitute in seafood dishes for those who prefer plant-based alternatives.
Cooking Methods
The key to cooking lion's mane well is to remove excess moisture. Tear or slice the mushroom into portions roughly the size of a steak or thick cutlet. Dry-saute in a hot pan without oil for the first few minutes until moisture releases and evaporates, then add butter or oil to brown and crisp the exterior. Season simply with salt, pepper, and a squeeze of lemon to let the natural flavour come through.
Other effective preparations include roasting at high heat (200C/400F) until edges are golden and crisp, adding sliced lion's mane to stir-fries in the final minutes of cooking, simmering in soups and broths where the mushroom absorbs surrounding flavours, and breading and pan-frying for a seafood cake alternative.
Culinary vs. Supplement Dosing
While eating lion's mane provides some bioactive compounds, the concentrations in fresh mushroom are lower than in concentrated supplement extracts. A typical serving of cooked lion's mane (about 100g fresh weight) contains far less of the active compounds than a standardized supplement capsule. Culinary enjoyment and supplementation serve different purposes, and both have their place.
Complementary Practices for Cognitive Wellness
Whether or not you choose to supplement with lion's mane, cognitive wellness benefits from a multi-faceted approach. The following practices have stronger evidence bases than lion's mane itself and work well alongside supplementation.
Practices with Strong Evidence
Regular aerobic exercise is perhaps the best-supported intervention for brain health, with large meta-analyses showing improvements in memory, executive function, and processing speed. Even moderate activity like brisk walking for 30 minutes, five days per week, has demonstrated measurable cognitive benefits.
Quality sleep of 7 to 9 hours nightly supports the glymphatic system's clearance of metabolic waste from the brain, consolidation of memories, and restoration of cognitive resources. Poor sleep is one of the most significant modifiable risk factors for cognitive decline.
Mediterranean-style diet rich in vegetables, fruits, whole grains, fish, nuts, and olive oil has been associated with better cognitive outcomes in large observational studies and some randomized trials.
Social engagement and cognitive stimulation through learning, puzzles, reading, and meaningful social interaction help maintain neural networks and may promote neuroplasticity.
Mindfulness and Contemplative Practices
Meditation and mindfulness practices have a growing evidence base for cognitive benefits, including improved attention, working memory, and emotional regulation. These complement any supplementation approach and cost nothing. For those interested in combining contemplative practice with other wellness tools, Clear Quartz Tumbled Stone and Lapis Lazuli Tumbled Stone are popular choices among practitioners who incorporate crystals into their meditation routines.
The honestly strongest approach to cognitive wellness combines these foundational practices (exercise, sleep, diet, social engagement, and mental stimulation) with any supplementation as an optional addition, not a replacement. No supplement, including lion's mane, compensates for poor sleep, sedentary habits, or social isolation.
Safety Considerations and Drug Interactions
Lion's mane has demonstrated a generally favourable safety profile in the clinical studies conducted to date. Most trials report few or no adverse effects, and the mushroom has been consumed as food for centuries without documented safety concerns. However, some important caveats deserve attention.
Reported Side Effects
Side effects reported in clinical trials have been rare and generally mild. Some participants have reported gastrointestinal discomfort, particularly at higher doses. Occasional reports of skin irritation or itching exist, though these are uncommon. Starting with a lower dose and increasing gradually may help minimize digestive discomfort.
Potential Drug Interactions
Lion's mane may have antiplatelet effects, meaning it could theoretically increase bleeding risk when combined with blood-thinning medications such as warfarin, heparin, or aspirin. Some research suggests possible effects on blood sugar regulation, which could interact with diabetes medications. If you take any prescription medications, consulting your healthcare provider before supplementing is strongly recommended.
Populations That Should Exercise Caution
Pregnant and breastfeeding individuals should consult their healthcare provider before using lion's mane supplements, as safety data for these populations is lacking. Individuals with mushroom allergies should avoid lion's mane. Those scheduled for surgery should discuss lion's mane use with their surgeon due to potential antiplatelet effects.
Long-Term Safety
One of the genuine gaps in the research is long-term safety data. The longest clinical trial to date was 16 weeks. While the traditional history of culinary use provides some reassurance, concentrated supplement extracts deliver far higher doses of bioactive compounds than food consumption. The call from researchers for studies that "explore long-term safety and efficacy" reflects this legitimate knowledge gap.
For those who value a holistic approach to wellness, supporting clarity of mind can extend beyond supplements. Amethyst Tumbled Stone is valued in crystal traditions for promoting calm awareness, and many people find that combining physical wellness practices with their personal spiritual tools creates a meaningful daily routine.
Frequently Asked Questions
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Does lion's mane mushroom actually improve cognitive function?
The evidence is mixed. Some small clinical trials have shown improvements in cognitive test scores and processing speed, while others have found no significant cognitive effect. A 16-week study showed meaningful improvements versus placebo, but benefits declined after participants stopped taking the supplement. The Alzheimer's Drug Discovery Foundation notes that "cognitive effects have been mixed based on small and short-duration clinical trials." More research with larger populations is needed before definitive claims can be made.
What is Nerve Growth Factor and how does lion's mane stimulate it?
Nerve Growth Factor (NGF) is a protein that promotes the growth, maintenance, and survival of neurons. Lion's mane contains two unique compound groups: hericenones (found in the fruiting body) and erinacines (found in the mycelium). These compounds have been shown in laboratory studies to stimulate NGF synthesis. This is the primary mechanism researchers believe may underlie lion's mane's potential neuroprotective effects. However, most NGF stimulation evidence comes from cell and animal studies rather than direct measurements in humans taking oral supplements.
Should I take fruiting body or mycelium lion's mane supplements?
Each contains different bioactive compounds. The fruiting body contains hericenones while the mycelium contains erinacines. Both compound groups stimulate NGF synthesis in laboratory studies. Some practitioners recommend products that include both for a broader spectrum of compounds. When choosing a supplement, look for products that clearly state which part of the mushroom is used, disclose beta-glucan content, and provide third-party testing results. Be aware that mycelium-on-grain products may contain significant amounts of grain starch.
What is the recommended dosage for lion's mane?
Most clinical studies have used dosages ranging from 500mg to 3,000mg per day. A common starting point is 500mg to 1,000mg daily, taken in the morning for cognitive support. Some people gradually increase to 2,000mg to 3,000mg daily. Because there is no universally standardized dosage and individual responses vary, starting low and consulting a healthcare provider is wise, especially if you take other medications.
How long does it take for lion's mane to work?
Based on available clinical research, most study participants began showing measurable effects after 4 to 8 weeks of consistent daily supplementation. One 2025 study found acute effects on processing speed after a single dose, but sustained benefits typically require regular use over several weeks. In the Mori et al. study, improvements increased progressively at 8, 12, and 16 weeks, suggesting that longer use may produce greater effects. However, benefits declined after supplementation was discontinued.
Can you eat lion's mane mushroom as food?
Yes. Lion's mane is a choice edible mushroom used in East Asian cuisine for centuries. When cooked, it has a flavour often compared to lobster or crab with a meaty, slightly chewy texture. You can saute, roast, add it to soups, or bread and pan-fry it. However, culinary consumption provides lower concentrations of bioactive compounds compared to concentrated supplement extracts, so eating lion's mane as food and taking it as a supplement serve different purposes.
Is lion's mane safe to take with medications?
Lion's mane has shown a generally favourable safety profile in clinical studies, with few reported side effects. However, long-term safety data is limited. Because lion's mane may influence blood sugar levels and has potential antiplatelet properties, individuals taking diabetes medications or blood thinners should consult their healthcare provider before supplementing. Pregnant or breastfeeding individuals should also seek medical guidance, as safety data for these populations is insufficient.
What does the 2025 research say about lion's mane?
Research published in 2025 presents a mixed but cautiously optimistic picture. A narrative review confirmed neuroprotective, antioxidant, anti-inflammatory, and antimicrobial properties. A randomized controlled trial in younger adults found a single dose improved Stroop task speed, and 28-day supplementation showed a trend toward reduced subjective stress. However, reviewers consistently note that clinical validation remains limited and call for larger, longer, and more diverse trials with standardized extract formulations.
Does lion's mane help with anxiety and depression?
Preliminary research suggests possible mood benefits. The Nagano et al. study found reduced irritability and anxiety in women consuming lion's mane cookies. A 2023 pilot study found some positive mood and cognitive effects in young adults, and a 2025 RCT showed a trend toward reduced subjective stress. Animal studies have shown anxiolytic and antidepressant-like effects. However, dedicated large-scale human trials focusing specifically on anxiety and depression are lacking, and it would be premature to consider lion's mane a treatment for mood disorders based on current evidence.
How is lion's mane different from other medicinal mushrooms?
Lion's mane stands apart primarily because of its unique NGF-stimulating compounds, hericenones and erinacines, which are not found in other mushroom species. While reishi is best known for immune modulation and adaptogenic effects, and cordyceps for energy and athletic performance, lion's mane has the most direct mechanism of action related to brain and nerve health. It is also one of the few medicinal mushrooms that is genuinely delicious as a culinary ingredient, making it accessible beyond supplement form.
Sources & References
- Mori, K., Inatomi, S., Ouchi, K., Azumi, Y., & Tuchida, T. (2009). Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment: a double-blind placebo-controlled clinical trial. Phytotherapy Research, 23(3), 367-372. doi:10.1002/ptr.2634
- Nagano, M., Shimizu, K., Kondo, R., et al. (2010). Reduction of depression and anxiety by 4 weeks Hericium erinaceus intake. Biomedical Research, 31(4), 231-237. doi:10.2220/biomedres.31.231
- Kawagishi, H., Zhuang, C., & Shnidman, E. (2004). The anti-dementia effect of Lion's Mane mushroom and its clinical application. Townsend Letter for Doctors and Patients, 249, 54-57.
- Lai, P.L., Naidu, M., Sabaratnam, V., et al. (2013). Neurotrophic properties of the Lion's Mane medicinal mushroom, Hericium erinaceus. International Journal of Medicinal Mushrooms, 15(6), 539-554. doi:10.1615/IntJMedMushr.v15.i6.30
- Docherty, S., Doughty, F.L., & Smith, E.F. (2023). The acute and chronic effects of lion's mane mushroom supplementation on cognitive function, stress and mood in young adults: a double-blind, parallel groups, pilot study. Nutrients, 15(22), 4842. doi:10.3390/nu15224842
- Saitsu, Y., Nishide, A., Kikushima, K., et al. (2019). Improvement of cognitive functions by oral intake of Hericium erinaceus. Biomedical Research, 40(4), 125-131. doi:10.2220/biomedres.40.125
- Chong, P.S., Fung, M.L., Wong, K.H., & Lim, L.W. (2020). Therapeutic potential of Hericium erinaceus for depressive disorder. International Journal of Molecular Sciences, 21(1), 163. PMC6982118.
- Friedman, M. (2015). Chemistry, nutrition, and health-promoting properties of Hericium erinaceus (Lion's Mane) mushroom fruiting bodies and mycelia and their bioactive compounds. Journal of Agricultural and Food Chemistry, 63(32), 7108-7123. doi:10.1021/acs.jafc.5b02914
- Alzheimer's Drug Discovery Foundation. (2024). Hericium erinaceus (Lion's Mane). Cognitive Vitality. Retrieved from cognitiveVitality.org.
- ClinicalTrials.gov. (2025). NCT06870136: Evaluation of quality and effects of Hericium erinaceus products. U.S. National Library of Medicine.