Head-to-head

Gotu kola vs Lion's Mane

Both are sold for memory. One's randomized evidence is about leg veins; the other's is small, short, and at least about the brain.

Gotu kola

Centella asiatica

Clinical data

The real human RCT evidence is for chronic venous insufficiency (leg swelling and heaviness), not for the memory/brain claims that dominate its marketing — a classic case of a real, narrow indication being stretched into a broader pitch.

Full Gotu kola evidence review

Lion's Mane

Hericium erinaceus

Clinical data

A real NGF-stimulating mechanism (mostly preclinical) plus small, short human trials hinting at cognitive and mood benefit — promising, but far from the 'regrows your brain' marketing.

Full Lion's Mane evidence review

Side by side

	Gotu kola	Lion's Mane
Marketed for	Cognitive function, skin healing, venous health	Cognition, memory
Evidence grade	Clinical data	Clinical data
Family	mTOR & other	mTOR & other
Key human source	Venous insufficiency RCT, Angiology 2001	Mori, Phytother Res 2009 (MCI)

marks a row where the two differ. Evidence grades come from our evidence matrix, which grades each molecule on the human data for the use it is marketed for.

Our verdict

Lion's Mane is the closer fit to the claim: a real NGF-stimulating mechanism, mostly preclinical, plus small short human trials hinting at cognitive and mood benefit — promising, and a long way from the 'regrows your brain' marketing. Gotu kola's human RCT evidence is for chronic venous insufficiency, meaning leg swelling and heaviness, not the memory claims that dominate its marketing — a clear case of a real but narrow indication stretched into a broader pitch. The two have never been compared.

Gotu kola fits if

Your interest is venous or skin-related, which is where its randomized evidence actually sits.

Lion's Mane fits if

You want the cognitive claim, and a plausible mechanism plus small short human trials is enough to try it.