Head to head
Caffeine vs Lion's mane
On the strength of human evidence, Caffeine comes out ahead (evidence 88 vs 40). But they're often used for different things — read each claim before deciding.
Caffeine
Strongthe legal performance drug
Marketing intensity 60 of 100. Evidence strength 88 of 100. Verdict: Better than its hype.
One of the most reliably effective legal performance aids. The catch isn't whether it works - it's timing.
Full evidence on Caffeine →Lion's mane
▲ Trendingthe nootropic mushroom
Marketing intensity 80 of 100. Evidence strength 40 of 100. Verdict: Overhyped.
A genuinely interesting mushroom with promising animal data and a few small, mixed human trials. The 'grow new brain cells' marketing is far ahead of what's been shown in people.
Full evidence on Lion's mane →Side by side
| Metric | Caffeine | Lion's mane |
|---|---|---|
| Overall tier | Strong | Limited |
| Evidence score | 88/100 | 40/100 |
| Hype score | 60/100 | 80/100 |
| Verdict | Better than its hype | Overhyped |
| Safety concern | moderate | low |
Quick answers
Caffeine or Lion's mane — which has better evidence?
On the strength of human evidence, Caffeine comes out ahead (evidence 88 vs 40). But they're often used for different things — read each claim before deciding.
Can you take Caffeine and Lion's mane together?
This page compares the evidence, not interactions. Some supplements interact with each other or with medications — check each one's safety section and talk to a pharmacist before stacking.