Lion's Mane: The Brain Compound That Builds The Longer You Take It
The supplement ingredient most people have never properly understood
There is a quiet revolution happening in cognitive health research. Not in a laboratory developing novel synthetic compounds, but in the peer-reviewed literature surrounding one of nature's oldest medicinal mushrooms.
Lion's Mane - Hericium erinaceus - has been used in traditional Eastern medicine for centuries. What is new is the science catching up with what practitioners have long observed. And what that science reveals is, by any measure, remarkable.
This is not a trend ingredient. It is not in Marathon Not A Sprint because it appears on wellness mood boards or because a celebrity mentioned it. It is in Marathon Not A Sprint because the research — consistent, replicated, peer-reviewed - is compelling enough that leaving it out would have been the wrong decision.
What Lion's Mane actually is
Hericium erinaceus is a medicinal mushroom that grows on hardwood trees across Asia, Europe and North America. Unlike most natural compounds studied for cognitive benefit, Lion's Mane contains two rare and structurally unique bioactive compounds: hericenones and erinacines.
These two compounds are what make Lion's Mane categorically different from every other natural nootropic currently studied.
The mechanism that matters: Nerve Growth Factor
To understand why Lion's Mane is significant, you first need to understand Nerve Growth Factor - NGF.
NGF is a protein that plays a critical role in the growth, maintenance and survival of neurons. It supports the development of new neural connections, maintains the health of existing ones, and is central to the brain's ability to adapt and repair itself - a process known as neuroplasticity.
As we age, NGF production naturally declines. This decline is associated with reduced cognitive function, increased susceptibility to neurodegenerative conditions, slower processing speed and diminished capacity for neural repair.
Hericenones and erinacines - the two bioactive compounds unique to Lion's Mane - stimulate the synthesis of NGF in the brain. This is their primary and most significant mechanism of action.
But here is what sets them apart from most compounds studied for similar effects.
Erinacines are small enough to cross the blood-brain barrier.
The blood-brain barrier is a selective membrane that protects the central nervous system. Most compounds - natural and synthetic - cannot cross it. They circulate in the body but never reach the brain tissue where they would have the most impact.
Erinacines do. They have direct access to the central nervous system. And once there, they stimulate NGF production from within the neural environment itself.
This is not a marginal distinction. It is the reason Lion's Mane produces neurological effects that most natural nootropics cannot replicate.
What the peer-reviewed research shows
The evidence base for Lion's Mane has grown substantially over the past fifteen years. Here is what the research consistently demonstrates:
Cognitive function and processing speed
A 2023 study published in Nutrients - Docherty, Doughty and Smith - examined the acute and long-term cognitive effects of Lion's Mane supplementation in young adults. The research found significant improvements in processing speed, working memory and overall cognitive performance. Crucially, these effects were observed both acutely and with sustained use - suggesting that Lion's Mane supports both immediate cognitive function and longer-term neural health.
Protection against cognitive decline
Research published in Phytotherapy Research in 2009 by Mori, Inatomi and Ouchi examined the effects of Lion's Mane supplementation in patients with mild cognitive impairment. The results showed significant improvement in cognitive function scores compared to placebo — and, notably, those improvements diminished when supplementation was discontinued, suggesting the effects are directly tied to consistent intake.
Stress resilience and mood
The neurological effects of sustained NGF stimulation extend beyond cognitive performance. Multiple peer-reviewed trials have demonstrated reductions in perceived stress and anxiety, and improvements in mood with consistent Lion's Mane supplementation. A 2018 study published in the International Journal of Molecular Sciences by Chiu, Chyau and Chen found antidepressant-like neurological effects attributable to the erinacine content of Hericium erinaceus mycelium.
Neurohealth and neuroprotection
Research by Li, Lee and Tzeng published in Behavioural Neurology in 2018 examined the neurohealth properties of Hericium erinaceus mycelia enriched with erinacines. The findings demonstrated significant neuroprotective properties - supporting the argument that Lion's Mane is not merely a cognitive enhancer but a genuine long-term neuroprotective agent.
The pattern across all of this research is consistent: Lion's Mane works across multiple neurological pathways simultaneously. And the effects build with sustained use.
Why most Lion's Mane supplements fail to deliver
Understanding the science is one thing. Ensuring the science actually translates into results requires something the supplement industry frequently overlooks: bioavailability.
Most Lion's Mane supplements are sold in capsule or powder form. The problem is not the ingredient — it is the delivery format.
Capsule supplements must survive the digestive process before their active compounds can enter circulation. Studies on capsule and tablet supplement absorption consistently find that bioavailability rates average below 20%. In practical terms, this means that for every 500mg of Lion's Mane you take in capsule form, your body may be absorbing and utilising less than 100mg.
The active compounds that need to reach the blood-brain barrier - particularly the erinacines responsible for NGF stimulation - cannot do so effectively if they are degraded in the digestive tract before they enter circulation.
This is why delivery format is not a secondary consideration. For Lion's Mane, it is the primary one.
Marathon Not A Sprint uses liquid liposomal delivery. Liposomal technology encapsulates active compounds within lipid-based carriers that protect them through the digestive process and facilitate direct absorption into circulation. The result is a significantly higher proportion of the active compound reaching the bloodstream - and from there, the blood-brain barrier.
The NGF stimulation that the research demonstrates requires the compound to actually arrive. Liquid liposomal delivery is how we ensure it does.
The long game argument
There is a reason this formula is called Marathon Not A Sprint.
The most significant benefits of Lion's Mane - neuroprotection, sustained cognitive improvement, long-term stress resilience - are not acute effects. They are the result of consistent NGF stimulation over time, gradually building a more resilient, better-connected neural environment.
The 2009 Mori et al. study is instructive here. Cognitive improvements observed during the supplementation period diminished when Lion's Mane was discontinued. The implication is clear: the benefits are tied to consistent, sustained intake. They build the longer you take it. And they require continuation to maintain.
This is not a supplement you take for a week to feel sharper for a presentation. It is a supplement you commit to because you understand that the most valuable cognitive investments are the ones that compound over time — in the same way that the most valuable financial investments, physical training programmes and professional skills are built through sustained, consistent effort rather than short-term intensity.
The focus you notice in week two is the same neurological mechanism protecting your cognition in year ten.
What Marathon Not A Sprint contains - and why
Marathon Not A Sprint is a liquid cellular support formula built around compounds chosen for what the peer-reviewed evidence supports, not what is trending.
Lion's Mane — 100mg Included for NGF stimulation, cognitive protection, stress resilience and neuroprotective properties. Delivered in liquid liposomal format to ensure bioavailability.
Nicotinamide Riboside (NR) — 100mg An NAD+ precursor that supports cellular energy metabolism and mitochondrial function. NR is the clinically supported approach to raising NAD+ levels — direct NAD+ supplementation is largely ineffective because NAD+ molecules are too large to be absorbed intact by cells.
Vitamin C — 50mg An essential antioxidant that supports immune function, collagen synthesis and cellular protection against oxidative stress.
Niacin (B3) — 10mg Supports energy metabolism, cellular repair and the NAD+ synthesis pathway.
Olive Leaf Extract — 12.5mg A polyphenol-rich compound with anti-inflammatory and antioxidant properties, supporting cellular resilience.
Each compound is chosen because the evidence supports it. Each is delivered in a liquid liposomal format because the evidence shows this is how supplementation actually works.
Who Marathon Not A Sprint is for
Marathon Not A Sprint is designed for people who think about their health in decades, not days.
It is for the person who has grown frustrated with supplements that promise dramatic short-term results and deliver nothing measurable. For the person who has read enough of the research to be sceptical of overclaiming — and who therefore finds credibility in a formula that simply cites its sources and explains its rationale.
It is for anyone who understands that cognitive health, cellular resilience and long-term energy are not outcomes you can manufacture overnight. They are built through consistent investment in the systems that underpin them — the same way a marathon is run.
The INORA approach to supplementation
INORA was built as a counterpoint to an industry that had made more synonymous with better.
More supplements. More ingredients. More promises. More strain on the liver and gut from products that were never designed with those considerations in mind.
Our approach is different. A streamlined range of targeted, doctor-formulated formulas — each built around the body's key systems, each delivered in a liquid liposomal format that maximises bioavailability, each chosen because the research supports it rather than because it is on trend.
Marathon Not A Sprint is the midday formula. Taken as 2ml under the tongue or in a drink of your choice, once daily.
The results are not immediate. They are real. And they build the longer you commit to them.
Find your formula
Not sure where to start? Our 60-second formula quiz identifies which INORA formula — or combination of formulas — your body is asking for based on how you actually feel right now.
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References
Docherty S, Doughty FL, Smith EF. The Acute and Long-Term Cognitive Effects of Lion's Mane Mushroom Supplementation on Cognitive Function, Stress and Mood in Young Adults. Nutrients, 2023.
Mori K, Inatomi S, Ouchi K et al. Improving Effects of the Mushroom Yamabushitake on Mild Cognitive Impairment. Phytotherapy Research, 2009.
Li IC, Lee LY, Tzeng TT et al. Neurohealth Properties of Hericium erinaceus Mycelia Enriched with Erinacines. Behavioural Neurology, 2018.
Chiu CH, Chyau CC, Chen CC et al. Erinacine A-Enriched Hericium erinaceus Mycelium Produces Antidepressant-Like Effects. International Journal of Molecular Sciences, 2018.