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Lion's Mane: What the Research Says

Lion's Mane: What the Research Says

Hericium erinaceus

We believe you deserve the real science — not hype, and not vague promises. Here's a plain-English look at what researchers have actually studied about Lion's Mane, with every finding labeled by how strong the evidence is. Each links to the original study so you can read it yourself and form your own opinion.

Studied in People Animal Research Early Lab Research Research Review
Lion's Mane dual extract tincture

Every bottle is made from 100% Hawaiian-grown Lion's Mane fruiting bodies — dual-extracted, no fillers, no grain. The science below is why we're so passionate about what we grow.

Cognitive Function & Memory

Studied in People

This is where Lion's Mane has the strongest human evidence — multiple randomized, double-blind, placebo-controlled trials (the gold standard):

Adults aged 50–80 with mild cognitive impairment who took Lion's Mane for 16 weeks scored significantly higher on a cognitive function scale than placebo — and scores dropped again after they stopped. Human study
Mori et al., Phytotherapy Research, 2009 · Read the study
A 12-week randomized, placebo-controlled trial found Lion's Mane fruiting body improved cognitive scores (MMSE) in older adults. Human study
Saitsu et al., Biomedical Research, 2019 · Read the study
A 2023 double-blind pilot in healthy young adults found faster processing speed after a single dose and a trend toward reduced stress over 28 days. Human study
Docherty et al., Nutrients, 2023 · Read the study

Nerve Growth Factor (NGF) & Nerve Cells

Early Lab Research Animal Research

Scientists are investigating how Lion's Mane might affect the brain. NGF is a protein that helps grow and maintain nerve cells, and Lion's Mane compounds appear to influence it — so far mostly in the lab:

In human cell cultures and in mice, Lion's Mane extract increased NGF gene expression and protein secretion. Cell + animal study
Mori et al., Biological & Pharmaceutical Bulletin, 2008 · Read the study
Compounds isolated from Lion's Mane fruiting bodies stimulated nerve-cell (neurite) outgrowth in cultured cells. Lab study
Zhang et al., Bioorganic & Medicinal Chemistry Letters, 2015 · Read the study

Promising early findings — not proof of a human benefit, which is exactly why we label them.

Mood & Sleep

Studied in People Research Review
In a double-blind, placebo-controlled trial, 30 menopausal women ate Lion's Mane–infused cookies (or placebo) for 4 weeks. The Lion's Mane group scored significantly lower on a depression scale and reported fewer physical complaints. Human study
Nagano et al., Biomedical Research, 2010 · Read the study
In 77 adults who were overweight or obese, 8 weeks of Lion's Mane was associated with lower self-reported depression, anxiety, and sleep disturbance. Human study
Vigna et al., Evidence-Based Complementary and Alternative Medicine, 2019 · Read the study
A scientific review grouped Lion's Mane with herbs studied for mood, while emphasizing that more research is needed. Review
Limanaqi et al., Antioxidants, 2020 · Read the study

Early and encouraging, but small and preliminary — not a treatment for any mood disorder.

Digestive & Gut Health

Early Lab Research Animal Research Early Clinical

Lion's Mane has been used in traditional Chinese medicine for digestion for centuries, and researchers are beginning to look at why — including some early work on the gut bacterium Helicobacter pylori:

In laboratory tests, ethanol extracts of Lion's Mane inhibited the growth of six different H. pylori strains and reduced the bacteria's ability to attach to human stomach cells. In mice, animals given the extract carried a lower H. pylori load than untreated animals. Lab + animal study
Wang et al., International Journal of Medicinal Mushrooms, 2019 · Read the study
When extracts from 14 different mushroom species were tested in the lab, Lion's Mane was among those showing the strongest growth-inhibiting activity against both laboratory and clinical strains of H. pylori. Lab study
Shang et al., International Journal of Medicinal Mushrooms, 2013 · Read the study
An invited scientific commentary reviewed early clinical and laboratory evidence on Lion's Mane in chronic atrophic gastritis, noting reported antimicrobial activity against Helicobacter pylori — while stressing that further evidence is needed. Commentary / preliminary
Pellegrino & Gravina, World Journal of Gastroenterology, 2025 · Read the study

These are laboratory and animal findings, plus early clinical discussion. This does NOT mean Lion's Mane treats, cures, or prevents H. pylori infection, ulcers, gastritis, or any digestive disease. We share it because it's a real, published research direction — labeled honestly so you can read it yourself.

Antioxidant, Anti-Inflammatory & Immune Support

Research Review Animal Research
A comprehensive scientific review catalogs Lion's Mane's antioxidant, anti-inflammatory, and immune-stimulating activity across cell, animal, and human studies. Review
Friedman, Journal of Agricultural and Food Chemistry, 2015 · Read the study
In an animal model, a Lion's Mane polysaccharide improved antioxidant capacity and antibody levels and reduced damage to immune organs. Animal study
Liu et al., International Journal of Biological Macromolecules, 2021 · Read the study

Blood Sugar & Cholesterol

Animal Research
In diabetic rats, an aqueous Lion's Mane extract lowered blood glucose, improved blood-lipid profiles, and raised antioxidant activity in the liver over 28 days. Animal study
Liang et al., BMC Complementary and Alternative Medicine, 2013 · Read the study

Shown in rats, not people — a documented research direction, not a claim about your blood sugar.

Cancer Research (Early-Stage)

Early Lab Research Animal Research

We want to be especially clear here, because this is where misinformation runs wildest. Lion's Mane has been studied in cells and animals for anti-tumor activity. None of this has been demonstrated in human cancer patients, and nothing here means Lion's Mane treats, prevents, or cures cancer. We share it only because it's a real, published research direction — described accurately:

Lion's Mane extracts showed anti-cancer activity against human gastrointestinal cancer cell lines and in mouse tumor models. Cell + animal study
Li et al., Journal of Ethnopharmacology, 2014 · Read the study
A research review summarizes Lion's Mane's studied anti-tumor and neuroprotective properties — at the research stage. Review
Wang et al., Food & Function, 2014 · Read the study

Early laboratory and animal research — not a human result.

Research summarized from PubMed. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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