Head to head
Caffeine vs Methylene blue
On the strength of human evidence, Caffeine comes out ahead (evidence 88 vs 20). 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 →Methylene blue
▲ Trendingthe widest hype gap on this list
Marketing intensity 95 of 100. Evidence strength 20 of 100. Verdict: Severely overhyped.
A century-old medical dye with interesting mechanisms, almost no long-term human evidence for the biohacker claims, and real, specific dangers if you take antidepressants.
Full evidence on Methylene blue →Side by side
| Metric | Caffeine | Methylene blue |
|---|---|---|
| Overall tier | Strong | Weak |
| Evidence score | 88/100 | 20/100 |
| Hype score | 60/100 | 95/100 |
| Verdict | Better than its hype | Severely overhyped |
| Safety concern | moderate | high |
Quick answers
Caffeine or Methylene blue — which has better evidence?
On the strength of human evidence, Caffeine comes out ahead (evidence 88 vs 20). But they're often used for different things — read each claim before deciding.
Can you take Caffeine and Methylene blue 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.