Lion's Mane and Cognitive Function

Lion's Mane (Hericium erinaceus) is a culinary mushroom that has drawn research interest for its potential role in supporting healthy cognitive function.

What Is Being Studied

Lion's Mane contains two groups of compounds, hericenones (from the fruiting body) and erinacines (from the mycelium), that researchers are studying in laboratory and animal models for their effects on nerve cells. Those models do not show what happens in people, so the sections below focus on human studies in healthy adults.

Memory Consolidation

A 2023 human trial in the Journal of Nutritional Biochemistry (Ratto et al., PMID: 37463625) used 1.8g/day in healthy young adults (18-45) for 12 weeks. Object location memory and verbal episodic memory improved significantly vs. placebo.

Frequently Asked Questions

Fruiting body vs. mycelium — which is better?

Hericenones are concentrated in the fruiting body; erinacines in the mycelium. Products differ in which parts they use; our Lion's Mane capsules combine fruiting body and mycelium.

How long for noticeable effects?

Human studies in healthy adults have run for about 4 to 16 weeks. Lion's Mane is not a stimulant, so expect gradual rather than immediate effects.

Is it safe long-term?

All published trials to date report no significant adverse effects at doses of 0.5–3g/day. No drug interactions are established.

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.