Head to head
Methylene blue vs NMN (nicotinamide mononucleotide)
On the strength of human evidence, NMN (nicotinamide mononucleotide) comes out ahead (evidence 30 vs 20). But they're often used for different things — read each claim before deciding.
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 →NMN (nicotinamide mononucleotide)
▲ Trendingthe longevity influencer's favourite
Marketing intensity 90 of 100. Evidence strength 30 of 100. Verdict: Severely overhyped.
It reliably raises NAD+ in your blood. Whether that does anything for human aging is unproven - and in the US the FDA no longer allows it to be sold as a supplement.
Full evidence on NMN (nicotinamide mononucleotide) →Side by side
| Metric | Methylene blue | NMN (nicotinamide mononucleotide) |
|---|---|---|
| Overall tier | Weak | Weak |
| Evidence score | 20/100 | 30/100 |
| Hype score | 95/100 | 90/100 |
| Verdict | Severely overhyped | Severely overhyped |
| Safety concern | high | moderate |
Quick answers
Methylene blue or NMN (nicotinamide mononucleotide) — which has better evidence?
On the strength of human evidence, NMN (nicotinamide mononucleotide) comes out ahead (evidence 30 vs 20). But they're often used for different things — read each claim before deciding.
Can you take Methylene blue and NMN (nicotinamide mononucleotide) 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.