What it is
An edible medicinal mushroom (Hericium erinaceus) sold as a dietary supplement in capsule, powder, or tincture form.
How it works
Contains hericenones and erinacines, compounds shown in preclinical studies to stimulate nerve growth factor (NGF) expression and influence neuronal survival.
Where it's used
Used as a dietary supplement marketed for cognitive support. Studied in preclinical and small clinical trials for nerve growth factor-related effects.
FDA-approved use
Regulated as a dietary supplement.
Tracking it
Lion's Mane is oral, which makes consistency the whole game — a simple daily check-off with a reminder beats memory every time.
Source
Public reference
Not medical advice. This page is an educational summary compiled from public
sources for people who log what they take. It is not a recommendation to use
Lion's Mane, a dosing guide, or a substitute for a clinician.
How we source →
Last reviewed 2026-06-11