Head to head
Iron vs Lion's mane
On the strength of human evidence, Iron comes out ahead (evidence 55 vs 40). But they're often used for different things — read each claim before deciding.
Iron
Moderateessential if low, risky if you guess
Marketing intensity 60 of 100. Evidence strength 55 of 100. Verdict: Hype ≈ evidence.
Genuinely fixes fatigue when you're iron-deficient. But taking it without a blood test is a real mistake - excess iron is harmful and there's no easy way to get rid of it.
Full evidence on Iron →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 | Iron | Lion's mane |
|---|---|---|
| Overall tier | Moderate | Limited |
| Evidence score | 55/100 | 40/100 |
| Hype score | 60/100 | 80/100 |
| Verdict | Hype ≈ evidence | Overhyped |
| Safety concern | moderate | low |
Quick answers
Iron or Lion's mane — which has better evidence?
On the strength of human evidence, Iron comes out ahead (evidence 55 vs 40). But they're often used for different things — read each claim before deciding.
Can you take Iron 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.