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Nutrition

Does Lion’s Mane Actually Work? Benefits, Research and Real-World Use

09 Jun, 2025

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5 min read

Lions mane mushroom whole and cut in half on a grey background

If you’ve spent time in wellness spaces online, chances are you’ve come across Lion’s Mane mushroom. With its shaggy white appearance and a history in Eastern medicine, it’s now trending as a natural support for memory, focus and more. But how much of that is backed by science?

Today we have a look at what it actually is, how it may work and whether it’s worth adding to your daily routine.

What exactly is Lion’s Mane?

Lion’s Mane (Hericium erinaceus) is a functional mushroom that grows on hardwood trees in regions of North America, Europe and Asia. Traditionally used in Chinese and Japanese medicine, it is believed to support digestive health and general vitality.

The mushroom contains two main types of bioactive compounds: hericenones and erinacines. Studies have shown that these compounds may affect the production of nerve growth factor (NGF), a protein involved in the development and maintenance of neurons. ¹

Cognitive health

Memory and focus

Animal research suggests Lion’s Mane compounds may help stimulate the growth of brain cells, particularly in the hippocampus, the region of the brain linked to memory. ²

In humans, some early studies have shown measurable benefits. A 2023 controlled trial from the University of Queensland reported improvements in short-term memory tasks after eight weeks of daily Lion’s Mane supplementation. ³

Another peer-reviewed study from 2022 showed participants who took Lion’s Mane performed slightly better on cognitive tests than a placebo group. ⁴ While the results are modest, they suggest real potential.

Mood and mental wellbeing

Small-scale studies have explored Lion’s Mane’s role in emotional health. One Japanese study on menopausal women found that those taking Lion’s Mane experienced lower levels of irritability and anxiety compared to the control group. ⁵

This may be connected to the mushroom’s influence on NGF and inflammation, both of which are being studied in relation to mood disorders like anxiety and depression.

Gut and immune health

Lion’s Mane has also been examined for its effects on the gut microbiome and immune response.

Animal studies show it may help preserve the integrity of the gut lining and support a healthy balance of bacteria in the digestive tract. ⁶ It also seems to interact with immune cells in the gut, contributing to immune system regulation. ⁷

These outcomes are still being tested in humans, but the mushroom’s beta-glucans are thought to play a key role in these processes.

Cardiovascular and anti-inflammatory potential

Early research suggests that Lion’s Mane may contribute to heart health in a few ways.

In rodents, extracts from the mushroom have been shown to help regulate fat metabolism and support healthy cholesterol levels. ⁸ Lion’s Mane also contains antioxidant compounds that may help protect cells from oxidative stress, a key factor in chronic inflammation and heart disease. ⁹

These findings are still in the preclinical stage, so more robust human research is needed before making strong health claims.

Can you grow Lion’s Mane at home?

Yes! and it’s more common than you might think. With the rise of at-home mycology kits and a growing interest in self-sufficiency, many wellness enthusiasts are now cultivating Lion’s Mane themselves. These mushrooms thrive on substrates like hardwood sawdust, and with the right conditions, cool temperatures, high humidity and indirect light, they can be grown indoors or in shaded outdoor spaces.

Home growers often say that the process is surprisingly accessible and deeply rewarding, especially since the mushroom’s distinctive, cascading appearance makes it a showpiece as much as a supplement source.

Lion’s Mane vs. Ashwagandha: What's the difference?

While both are popular in natural health circles, Lion’s Mane and ashwagandha serve different purposes and come from very different origins. Lion’s Mane is a functional mushroom primarily studied for its effects on the brain and nervous system, including memory, focus, and even neurogenesis. Ashwagandha, on the other hand, is an adaptogenic herb used in Ayurvedic medicine to help the body cope with stress. It’s more associated with reducing cortisol levels, improving sleep quality, and supporting hormonal balance.

You can think of Lion’s Mane as more nootropic and neuro-supportive, while ashwagandha leans into emotional resilience and stress regulation. Some people even use both in their routines to target different aspects of mental and physical wellbeing.

Read more about Ashwagandha here.

Safety, dosage and what to look for

Lion’s Mane is generally considered safe. Most users report no side effects, though some have experienced mild digestive symptoms or allergic reactions. People with known mushroom allergies or those taking blood sugar or blood pressure medication should consult a healthcare provider before use. ¹⁰

When shopping for a supplement, look for: