Lion's Mane Mushroom Extract

What it is

Lion's Mane Mushroom Extract is produced from the fruiting bodies or mycelium of Hericium erinaceus, an edible medicinal fungus with distinctive icicle-like spines. Standardized hot-water and ethanol extracts concentrate two distinct families of neuroactive bioactives: water-soluble beta-glucan polysaccharides and lipophilic diterpenoid hericenones and erinacines. In supplement formulations, it is utilized to support nerve growth factor synthesis, cognitive clarity, memory, and gut-brain axis communication.

Also known as: Hericium erinaceus, Yamabushitake, Lion's Mane

Key benefits

• Stimulates Nerve Growth Factor (NGF) synthesis to support neuronal health, synaptic plasticity, and memory.
• Enhances mental focus, executive cognitive clarity, and processing speed during demanding tasks.
• Nourishes beneficial gut bacteria through prebiotic beta-glucans, supporting mucosal immune defense.
• Modulates neuroinflammation and supports emotional well-being via the vagal gut-brain pathway.

Amplified by probiotics

Lion's Mane mushroom extract provides a rich structural substrate of beta-glucan polysaccharides that act as high-value prebiotic fibers in the distal gastrointestinal tract. Resident probiotic strains, such as Bifidobacterium and Lactobacillus, ferment these fungal beta-glucans into short-chain fatty acids (SCFAs), notably butyrate, acetate, and propionate. SCFAs reinforce intestinal tight-junction proteins, reducing mucosal permeability and systemic endotoxemia. Furthermore, SCFAs bind to G-protein coupled receptors on enteroendocrine cells, stimulating neuroactive peptide secretion and signaling through the vagus nerve directly to the central nervous system. Simultaneously, microencapsulated live probiotics reduce gut luminal inflammation, establishing ideal conditions for the absorption of lipophilic hericenones, thereby synergistically driving neuroprotective and gut-brain axis signaling.

Typical dose

500–1000 mg/day

The evidence

Randomized double-blind placebo-controlled human trials demonstrate that daily supplementation with Hericium erinaceus significantly improves cognitive performance scores in adults with mild cognitive impairment. Additional clinical studies show reductions in self-reported anxiety and mood disturbance following 4 weeks of intake. Preclinical literature strongly supports its ability to stimulate NGF biosynthesis and nourish gut microbiota.

1. Mori K, et al. Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment: a double-blind placebo-controlled clinical trial. Phytother Res. 2009;23(3):368-372. PubMed ↗
2. Saitsu Y, et al. Improvement of cognitive functions by oral intake of Hericium erinaceus. Biomed Res. 2019;40(4):125-131. PubMed ↗
3. Nagano M, et al. Reduction of depression and anxiety by 4 weeks Hericium erinaceus intake. Biomed Res. 2010;31(4):231-237. PubMed ↗

Safety & who should check first

Lion's Mane mushroom extract exhibits an outstanding clinical safety and tolerability profile with no significant adverse events reported in trial literature. Individuals with known mushroom allergies should avoid use, and medical advice is recommended during pregnancy or breastfeeding.