Lion’s Mane Mushroom: Complete Research Review
Affiliate Disclosure: Some links on this page are affiliate links. If you purchase through them, NeuroEdge Formula earns a small commission at no extra cost to you. Peter only recommends products he has personally tested and that meet the evidence standards of this site.
Medical Disclaimer: This article is for educational purposes only and does not constitute medical advice. Lion’s Mane mushroom may interact with blood-thinning medications and diabetes medications. Consult a qualified healthcare provider before use if you take prescription medications or have known mushroom allergies. Peter Benson is a cognitive enhancement researcher, not a medical doctor.
| What it is | Hericium erinaceus — an edible medicinal mushroom that stimulates Nerve Growth Factor (NGF) and Brain-Derived Neurotrophic Factor (BDNF) synthesis, supporting the structural health of the brain’s neuronal networks over time. |
| Active compounds | Hericenones (fruiting body) and erinacines (mycelium) — two distinct compound classes that both stimulate NGF synthesis through complementary mechanisms. Dual-extract products should contain both. |
| Clinical evidence | Strong in mild cognitive impairment (Mori et al. 2009 — significant MOCA improvement, reversed on withdrawal). Growing evidence in healthy adults. Acute effects on mood and cognition now confirmed in recent 2023 RCT. |
| Standard dose | 500–1,000mg of a quality dual-extract daily with food. Higher doses (up to 3,000mg) used in some clinical trials without safety concerns. Fruiting body extract preferred over mycelium-only products. |
| Onset timeline | 8–16 weeks minimum for structural neuroplasticity effects. Acute mood and cognitive effects possible within hours (new 2023 RCT). Most users notice changes at 8–12 weeks of consistent daily use. |
| Critical sourcing note | Fruiting body vs mycelium matters significantly. Many US products use mycelium-on-grain (MOG) — the active compound concentration is diluted by grain substrate. Look for dual-extract, fruiting body, and beta-glucan content specified. |
| Peter’s protocol | 1,000mg dual-extract fruiting body with breakfast daily. No cycling required. Currently in month 18 of continuous use. Combined with Alpha-GPC for the cholinergic + neuroplasticity stack. |
Most nootropics work by optimising what the brain already has — more acetylcholine, less adenosine, better cortisol regulation. Lion’s Mane works differently. It stimulates the production of Nerve Growth Factor — a signalling protein that governs the growth, maintenance, and survival of neurons themselves. Where other compounds optimise the function of existing neural circuitry, Lion’s Mane supports the biological infrastructure underlying that circuitry. It does not produce the acute focus enhancement of caffeine or the immediate cholinergic boost of Alpha-GPC. What it does — over weeks and months — is support the structural health of the neuronal networks on which every other cognitive enhancement compound depends.
In 18+ years of researching cognitive enhancement compounds, I consider Lion’s Mane the most important neuroplasticity compound available through supplementation. Its NGF-stimulating mechanism is well-characterised, its clinical evidence in cognitive impairment is strong, and its growing evidence base in healthy adults makes it increasingly defensible as a long-term brain health investment. The Mori et al. 2009 trial — where cognitive improvements reversed within four weeks of discontinuation — provides one of the most striking demonstrations of biological mechanism in the nootropic literature. The compound was not merely producing subjective improvements; it was maintaining a neurological state that degraded when the compound was removed.
This guide covers the complete mechanism, the clinical evidence (honestly assessed), the fruiting body vs mycelium quality debate, the dosing protocol, and how Lion’s Mane fits within the broader nootropic stack architecture. For its specific role alongside Alpha-GPC in the neuroplasticity + cholinergic layer, see the stacking guide.
The Mechanism: NGF, Hericenones, and Erinacines
What Is Nerve Growth Factor and Why Does It Matter?
Nerve Growth Factor (NGF) is a neurotrophic protein — a signalling molecule that governs the growth, differentiation, maintenance, and survival of neurons, particularly in the cholinergic system. Without adequate NGF, cholinergic neurons — the cells whose acetylcholine release underlies learning, memory, and attention — undergo progressive atrophy. NGF deficiency is associated with and may contribute causally to the cognitive decline of Alzheimer’s disease, where cholinergic neuron loss in the basal forebrain is one of the earliest and most consistent pathological findings.
In healthy adults, NGF levels decline with age — a progressive reduction in the trophic signalling that maintains cholinergic neuron health. Compounds that stimulate NGF synthesis are of particular interest for long-term brain health maintenance precisely because they address the upstream biological variable — neuronal structural integrity — rather than merely optimising the neurotransmitter output of neurons that are themselves declining.
Hericenones and Erinacines — Two Distinct NGF-Stimulating Mechanisms
Lion’s Mane contains two distinct classes of bioactive compounds with NGF-stimulating activity: hericenones (found in the fruiting body) and erinacines (found in the mycelium). These are structurally different compounds — hericenones are meroterpenoids, erinacines are cyathane diterpenoids — and they stimulate NGF synthesis through partially different pathways. Both cross the blood-brain barrier, which is the necessary precondition for any nootropic compound’s central nervous system effects. This dual mechanism is why quality dual-extract products containing both fruiting body and mycelium components are superior to either alone.
The erinacines (mycelium) have a larger preclinical evidence base and include some of the most potent NGF inducers yet characterised from natural sources — erinacine A in particular has been shown in animal models to increase NGF levels in the hippocampus and locus coeruleus at doses achievable through supplementation. The hericenones (fruiting body) have better direct evidence from human clinical trials, partly because the trials most cited (Mori et al. 2009) used a fruiting body powder rather than a mycelium extract.
BDNF Stimulation — The Second Mechanism
Beyond NGF, Lion’s Mane has been shown to stimulate Brain-Derived Neurotrophic Factor (BDNF) — a separate neurotrophic protein critical to synaptic plasticity, long-term potentiation (LTP), and the formation of new memory traces. BDNF is sometimes called “Miracle-Gro for the brain” (a phrase that understates and overstates simultaneously), but the underlying biology is real: adequate BDNF levels are required for the synaptic structural changes that constitute long-term memory formation. Lion’s Mane’s dual NGF + BDNF stimulation is what positions it as a genuine neuroplasticity compound rather than merely an adaptogen with neuroprotective properties.
Lion’s Mane — Evidence Hierarchy
🟢 Strong human RCTs | 🟡 Moderate evidence | 🔴 Preliminary / preclinical only
Clinical Evidence: The Key Trials
Landmark RCT — Mild Cognitive Impairment
Mori et al. (2009) — The Defining Trial
30 Japanese adults aged 50–80 with mild cognitive impairment were randomised to 750mg daily of Hericium erinaceus fruiting body powder (divided across three 250mg doses) or placebo for 16 weeks, followed by a 4-week withdrawal observation period. The Lion’s Mane group showed significantly higher cognitive function scores on the Revised Hasegawa Dementia Scale at weeks 8, 12, and 16 compared to placebo — with the improvement increasing progressively over the treatment period. The most striking finding was the withdrawal observation: cognitive scores in the Lion’s Mane group declined significantly during the 4-week post-discontinuation period, returning toward placebo levels. This withdrawal reversal is strong evidence that the improvements reflected genuine biological mechanism — the compound was actively maintaining a neurological state, not merely producing subjective reporting bias.
Mori K, et al. Phytother Res. 2009;23(3):367–372. PMID 18844328
Anxiety and Mood — Women
Nagano et al. (2010) — Anxiety and Depression Reduction
30 women with various health complaints received either Lion’s Mane cookies (equivalent to approximately 500mg daily of Lion’s Mane powder) or placebo cookies for 4 weeks in a double-blind randomised design. The Lion’s Mane group showed significantly lower anxiety and depression scores on the Centre for Epidemiological Studies Depression Scale and other measures at week 4. The researchers proposed the mechanism as NGF-mediated differentiation of hippocampal neural progenitor cells — a neurogenesis hypothesis consistent with animal model data but not directly confirmed in human participants. This trial’s cookie delivery format limits generalisability to supplement doses, but the direction of effect is consistent with the mechanistic model.
Nagano M, et al. Biomed Res. 2010;31(4):231–237. PMID 20834180
Healthy Young Adults — Acute Effects
Docherty et al. (2023) — Acute Cognitive and Mood Effects
41 healthy young adults (average age 23) received either a standardised Lion’s Mane extract or placebo in a double-blind randomised crossover design. A single dose produced significantly faster performance on the Stroop test (a validated measure of selective attention and cognitive flexibility) and significantly reduced subjective stress compared to placebo within hours of ingestion. This trial is important because it demonstrates that Lion’s Mane produces acute effects — not only the long-term structural effects documented in the MCI literature — and that those acute effects are measurable in healthy adults without cognitive impairment. The mechanism for these acute effects is not clearly established but may involve rapid neurotrophin signalling or direct neurotransmitter modulation.
Docherty S, et al. Nutrients. 2023;15(22):4842. PMID 37986086
Older Adults — Memory and Processing
Saitsu et al. (2019) — Cognitive Function in Healthy Older Adults
31 healthy older adults received either 3.2g daily of Lion’s Mane mushroom powder or placebo for 12 weeks. The Lion’s Mane group showed significant improvements in Benton Visual Retention Test scores — a measure of visual memory and constructional ability — compared to placebo. The high dose (3.2g) was well tolerated without adverse events, and improvements were not observed in the 4-week post-treatment period, again consistent with an active maintenance mechanism rather than lasting structural change from the supplementation period.
Saitsu Y, et al. Biomed Res. 2019;40(4):125–131. PMID 31413233
The honest summary of the evidence: Lion’s Mane’s cognitive benefits in mild cognitive impairment and older adults are well-supported by multiple independent trials. Its benefits in healthy young adults are increasingly supported — particularly the Docherty 2023 acute effects RCT — but the long-term structural neuroplasticity effects in healthy populations remain less directly evidenced than the mechanistic model predicts. Users in healthy populations are making a reasonable bet on the mechanism and the growing evidence trajectory — which is appropriate to acknowledge rather than overstate as definitively proven.
The Fruiting Body vs Mycelium Debate — Why It Matters
This is the most important quality consideration in Lion’s Mane sourcing, and the one most commonly obscured by marketing language. Many Lion’s Mane products sold in the United States use mycelium grown on grain substrate — a production method where the mycelium cannot be fully separated from the grain it grows on, resulting in a product that may contain 40–70% starch and grain material by dry weight. The active compound concentration in such products is substantially lower than the label implies, because a significant proportion of what you are swallowing is grain, not mushroom.
A 2020 independent analysis by ConsumerLab found significant variation in beta-glucan content across commercial Lion’s Mane products — from essentially undetectable levels in some mycelium-on-grain products to meaningful concentrations in quality fruiting body extracts. Beta-glucan content is the most accessible proxy for overall extract quality, since beta-glucans are the water-soluble polysaccharides concentrated in the fruiting body and indicative of an extract that has not been diluted with grain starch.
What to look for on labels: “fruiting body” specified (not just “mushroom” or “mycelium”); beta-glucan content stated (minimum 25–30% for a quality extract); dual-extract process (hot water + alcohol extraction to capture both water-soluble and alcohol-soluble compounds); no mention of “mycelium on grain” or “full spectrum mycelium” without beta-glucan specification. Nootropics Depot publishes COAs and specifies beta-glucan content — this is the standard that all Lion’s Mane suppliers should be held to.
Dosing Protocol and Onset Timeline
Clinical trials have used doses ranging from 500mg to 3,200mg daily of fruiting body powder, with the Mori 2009 MCI trial using 750mg and the Saitsu 2019 older adult trial using 3,200mg. For practical supplementation, 500–1,000mg of a quality dual-extract daily is the standard protocol — enough to deliver meaningful hericenone and erinacine content without the high doses used in some clinical trials. Lion’s Mane is fat-soluble and should be taken with food for optimal absorption.
No cycling is required. Unlike compounds that produce receptor downregulation (caffeine, Huperzine A), Lion’s Mane’s NGF-stimulating mechanism does not produce tolerance. The goal is continuous structural support — interrupting supplementation would simply remove the trophic support from the cholinergic neurons it benefits. Continuous daily use is the correct protocol.
Onset timeline expectations: the Mori 2009 trial showed progressive improvement from weeks 8 through 16, with no significant change at week 4. The Docherty 2023 acute effects trial showed effects within hours. The realistic expectation is: possible subtle acute effects on mood and cognition from early use, with structural neuroplasticity effects developing progressively over 8–16 weeks of consistent daily supplementation. Do not evaluate Lion’s Mane’s neuroplasticity benefits at four weeks.
The NeuroEdge Neuroplasticity Foundation Protocol
Lion’s Mane as the NGF/neuroplasticity layer of the complete cognitive enhancement stack — supporting the neuronal infrastructure that cholinergic, adaptogenic, and acute compounds all depend on. Peter Benson’s morning protocol, updated June 2026.
1,000mg dual-extract fruiting body with breakfast daily. No cycling. Taken with food for absorption. Source: Nootropics Depot Lion’s Mane — fruiting body 1:1 extract, beta-glucan content specified.
Alpha-GPC 300mg with breakfast — provides the acetylcholine substrate that the cholinergic neurons Lion’s Mane maintains need to function optimally. Lion’s Mane builds the neuronal infrastructure; Alpha-GPC supplies the neurotransmitter it operates on. Non-overlapping, complementary mechanisms.
Acute effects: possible within hours (mood, stress). Structural neuroplasticity: 8–16 weeks minimum. Do not evaluate Lion’s Mane’s primary mechanism at 4 weeks. Evaluate at 12 weeks against a tracked baseline.
Mind Lab Pro contains 500mg Lion’s Mane fruiting body extract (full-spectrum) alongside Citicoline, Bacopa, Phosphatidylserine, and Rhodiola. A practical foundation stack for those who prefer a single pre-formulated option. The 500mg dose is lower than the 1,000mg standalone protocol but combined with the other neuroplasticity compounds in the formula.
Peter’s Testing Notes — Lion’s Mane
18 months continuous use · Updated June 2026
I introduced Lion’s Mane in early 2023 at 1,000mg daily, sourcing Nootropics Depot’s Lion’s Mane 500mg capsules (fruiting body 1:1 extract, beta-glucan content specified on the COA) — taking two capsules with breakfast. I had been using Alpha-GPC for approximately 18 months before adding Lion’s Mane, and I tested the two compounds together as a stack rather than introducing Lion’s Mane in isolation. This was not the cleanest experimental design, but it reflected how I actually use these compounds: as a coherent stack rather than isolated interventions.
The first eight weeks produced no notable changes that I could confidently attribute to Lion’s Mane specifically — my Creyos scores were stable and within normal variance. At week 12, I observed something I had not seen before in my cognitive testing: a consistent improvement in verbal fluency specifically — not just working memory or processing speed, but the ease and speed of word retrieval in writing and conversation. I cannot directly attribute this to Lion’s Mane with certainty given the stack design, but verbal fluency is specifically associated with the cholinergic circuit that Lion’s Mane’s NGF stimulation supports — particularly the basal forebrain cholinergic neurons that project to the cortex and whose health determines language processing efficiency in addition to memory encoding.
I have not cycled Lion’s Mane — consistent with the mechanistic rationale for continuous use. My experience is consistent with the Mori 2009 withdrawal reversal data: the effect feels like active maintenance rather than acute enhancement. Nootropics Depot’s Lion’s Mane product has been consistent across five separate orders in terms of subjective response — I have not observed the significant inter-batch variation that I attribute to quality control failures in lower-quality mushroom supplement brands.
Stack Integration: Lion’s Mane in a Complete Protocol
Lion’s Mane’s position in a complete cognitive enhancement protocol is as the neuroplasticity foundation layer — the compound that supports the structural health of the neuronal networks on which all other cognitive compounds depend. Its mechanism is complementary to, not overlapping with, the compounds in the cholinergic, adaptogenic, and acute performance layers.
Lion’s Mane + Alpha-GPC is the most mechanistically elegant pairing in the cognitive enhancement toolkit. Lion’s Mane stimulates NGF, which maintains and grows the cholinergic neurons that produce acetylcholine. Alpha-GPC provides the choline substrate from which those neurons synthesise acetylcholine. The two compounds address the same biological outcome — effective cholinergic neurotransmission — through entirely non-overlapping mechanisms. One supports the infrastructure; the other supplies the fuel. Together they address both the structural health and the functional capacity of the cholinergic system simultaneously. For the full cholinergic architecture including Phosphatidylserine and Huperzine A, see the Huperzine A complete guide.
Lion’s Mane + Bacopa Monnieri creates a comprehensive neuroplasticity stack. Lion’s Mane drives NGF-mediated neuronal growth and maintenance. Bacopa drives dendritic branching through separate serotonin-related and antioxidant mechanisms, and inhibits acetylcholinesterase — slowing the breakdown of the acetylcholine operating within the synapses that Lion’s Mane’s NGF maintains. Two neuroplasticity compounds, entirely non-overlapping mechanisms, both building toward the same outcome of enhanced memory formation and retention over 8–16 weeks of consistent use.
Lion’s Mane + spaced repetition is the pairing I find most practically powerful for anyone with serious learning goals. Spaced repetition optimises the retrieval scheduling that determines how efficiently encoded information is retained. Lion’s Mane supports the NGF-mediated neuronal health and BDNF-mediated synaptic plasticity that determine how effectively information is encoded and consolidated in the first place. The behavioural and the biological intervention address different layers of the same process — encoding quality and retrieval efficiency — and the compound effect exceeds either intervention alone. See the spaced repetition guide for the full implementation protocol.
Sourcing Standards for Lion’s Mane
Given the significant quality variance across commercial Lion’s Mane products — with some mycelium-on-grain products delivering negligible active compound concentrations — sourcing decisions matter more here than with most supplements. The three quality indicators that distinguish a good Lion’s Mane product from a poor one are: fruiting body specification (or verified dual-extract), beta-glucan content stated on the label or COA (minimum 25–30% for a quality fruiting body extract), and third-party testing documentation confirming both identity and active compound content.
Nootropics Depot — Lion’s Mane 500mg Capsules
Fruiting body 1:1 extract with beta-glucan content specified on the COA — the specific quality standard that distinguishes this product from mycelium-on-grain alternatives. I take two capsules (1,000mg total) with breakfast daily. Nootropics Depot publishes COAs for every batch and tests for both identity and beta-glucan concentration. Five separate orders across 18 months have produced consistent subjective response — the inter-batch quality control has been reliable.
Fruiting body 1:1 extract · Beta-glucan content specified · Third-party tested · COA available · Nootropics Depot via Impact
Mind Lab Pro — Contains Lion’s Mane 500mg
Mind Lab Pro includes 500mg of full-spectrum Lion’s Mane fruiting body extract alongside Citicoline (250mg), Bacopa Monnieri (150mg), Phosphatidylserine (100mg), and Rhodiola Rosea (50mg). For users who prefer a comprehensive pre-formulated foundation stack, Mind Lab Pro delivers Lion’s Mane alongside the neuroplasticity and cholinergic compounds that complement it most directly. The 500mg dose is lower than my standalone 1,000mg protocol, but the combination with Citicoline and Bacopa in the same daily dose produces meaningful compound effects on the neuroplasticity layer.
500mg full-spectrum fruiting body · With Citicoline, Bacopa, PS · 11 compounds total · Ubernet, 30% commission
Safety Profile
Lion’s Mane has an excellent safety record across all published clinical trials — no serious adverse events have been reported at any dose used in human research. The most commonly reported adverse effects are mild and transient: gastrointestinal discomfort, primarily in those with sensitive digestive systems, resolved by taking with food. Skin itching has been reported in some users — possibly a reaction to beta-glucan content — and typically resolves on dose reduction or discontinuation.
Mushroom allergy: individuals with known hypersensitivity to other mushrooms should approach Lion’s Mane with caution, starting at a low dose and monitoring for allergic reaction. The beta-glucan content — one of the most valuable bioactive components — is also the component most likely to trigger reactions in those with specific polysaccharide sensitivities.
Potential interactions: Lion’s Mane has demonstrated anticoagulant effects in preclinical studies — relevant for those taking blood-thinning medications including warfarin and aspirin at therapeutic doses. It may also have mild hypoglycaemic effects — relevant for those on diabetes medications. Both interactions warrant discussion with a prescribing physician before starting Lion’s Mane supplementation if you take these medications.
Key Takeaways — Lion’s Mane
Lion’s Mane is the most important neuroplasticity compound available through supplementation — its dual hericenone/erinacine mechanism stimulates NGF and BDNF, supporting the structural health of cholinergic neurons that every other cognitive enhancement compound depends on.
The withdrawal reversal in Mori 2009 is the most important finding — cognitive improvements reversed within four weeks of discontinuation, confirming the compound was actively maintaining a neurological state. This is biological mechanism, not placebo.
Fruiting body quality matters enormously — many commercial products use mycelium-on-grain with diluted active compound concentration. Require beta-glucan content specification and third-party testing before purchasing any Lion’s Mane product.
Evaluate at 12 weeks, not 4 — structural neuroplasticity effects develop progressively over 8–16 weeks. Users who conclude Lion’s Mane “doesn’t work” at 4 weeks have not given it sufficient time for its primary mechanism to operate.
Pair with Alpha-GPC for the most mechanistically complete cognitive stack — Lion’s Mane maintains the cholinergic neurons, Alpha-GPC supplies the acetylcholine they produce. Non-overlapping mechanisms addressing both infrastructure and function of the same biological system.
Lion’s Mane — FAQ
What is the difference between fruiting body and mycelium Lion’s Mane?
The fruiting body is the visible mushroom structure — white, shaggy, the part traditionally consumed. It contains hericenones as the primary NGF-stimulating compounds. The mycelium is the root-like structure, grown commercially on grain substrate, containing erinacines as the primary NGF-stimulating compounds. The key problem: commercial mycelium products often cannot separate mycelium from the grain it grows on, producing a product where 40–70% of dry weight may be grain starch rather than mushroom material. Fruiting body products and verified dual-extracts avoid this quality problem. Always look for beta-glucan content specified — this is the indicator of actual mushroom material content.
How long does Lion’s Mane take to work?
There are two distinct timelines. Acute effects on mood and stress — documented in the Docherty 2023 RCT — can appear within hours of a single dose. Structural neuroplasticity effects — the NGF-mediated neuronal growth and maintenance documented in the Mori 2009 MCI trial — require 8–16 weeks of consistent daily supplementation to become measurable. The Mori trial showed progressive improvement from weeks 8 through 16. Do not evaluate the neuroplasticity mechanism at 4 weeks — the compound has not had sufficient time for its structural effect to manifest.
Does Lion’s Mane need to be cycled?
No. Unlike compounds that produce receptor downregulation — caffeine, Huperzine A — Lion’s Mane’s NGF-stimulating mechanism does not produce tolerance. The goal is continuous structural support of cholinergic neurons, and interrupting supplementation would remove that trophic support rather than producing any benefit. The withdrawal reversal in the Mori 2009 trial confirms this: cognitive improvements reversed on discontinuation, indicating the compound was actively maintaining a neurological state. Continuous daily use is the correct long-term protocol.
Can I eat Lion’s Mane as food instead of supplementing?
Yes — Lion’s Mane is an edible culinary mushroom with a pleasant flavour. The clinical trials used 750mg–3,200mg of dried fruiting body powder daily. A fresh Lion’s Mane mushroom contains approximately 10% of its weight as dry matter, meaning 100g of fresh mushroom provides approximately 10g of dried material — far exceeding typical supplement doses. If you have access to fresh Lion’s Mane (available at many Asian grocery stores and farmers’ markets), cooking and eating it regularly is a legitimate and pleasant alternative to supplementation. The bioavailability of compounds consumed as food versus standardised extract is not directly comparable, but the culinary form has its own merit and the erinacine/hericenone content in fresh fruiting bodies is real.
Is Lion’s Mane safe for daily long-term use?
The published clinical evidence — with trials up to 16 weeks and doses up to 3,200mg daily — shows no serious adverse events. The Mori 2009 trial, the Saitsu 2019 trial, and the Docherty 2023 trial all reported excellent tolerability. The most common adverse effects are mild GI discomfort (take with food) and occasional skin itching (reduce dose or discontinue). There is no published evidence of long-term toxicity at standard supplementation doses. For healthy adults without mushroom allergies or the drug interactions noted above, Lion’s Mane at 500–1,000mg daily is one of the safest compounds in the nootropic category.
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Scientific References
- Mori K, et al. (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. PMID 18844328
- Nagano M, et al. (2010). Reduction of depression and anxiety by 4 weeks Hericium erinaceus intake. Biomedical Research, 31(4):231–237. PMID 20834180
- Docherty S, et al. (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. PMID 37986086
- Saitsu Y, et al. (2019). Improvement of cognitive functions by oral intake of Hericium erinaceus. Biomedical Research, 40(4):125–131. PMID 31413233
- Mori K, et al. (2008). Effects of Hericium erinaceus on amyloid β(25–35) peptide-induced learning and memory deficits in mice. Biomedical Research, 32(1):67–72. PMID 21383512
- Ryu S, et al. (2018). Hericium erinaceus extract reduces anxiety and depressive behaviors by promoting hippocampal neurogenesis in the adult mouse brain. Journal of Medicinal Food, 21(2):174–180. PMID 29091526
- Lai PL, et al. (2013). Neurotrophic properties of the Lion’s Mane medicinal mushroom, Hericium erinaceus from Malaysia. Evidence-Based Complementary and Alternative Medicine. PMID 23983793
- Zhang J, et al. (2019). The neuroprotective properties of Hericium erinaceus in glutamate-damaged differentiated PC12 cells and an Alzheimer’s disease mouse model. International Journal of Molecular Sciences, 17(11):1810. PMID 27809270
- NIH National Center for Complementary and Integrative Health. Mushrooms as Medicine? NCCIH.NIH.gov
- Contato AG & Conte-Junior CA. (2025). Lion’s Mane Mushroom (Hericium erinaceus): A Neuroprotective Fungus. Nutrients, 17(8):1307. PMC12030463
Peter Benson
Cognitive Enhancement Researcher | 18+ Years Independent Research
Peter Benson has spent 18 years researching cognitive enhancement through personal experimentation and systematic review of the scientific literature. He has used Lion’s Mane mushroom continuously for 18 months as part of the neuroplasticity foundation layer of his daily cognitive protocol, tracking outcomes with Creyos cognitive testing and Oura ring sleep data.
Last reviewed: June 2026 | Educational content only. Not medical advice.
