Not medical advice

Supplement Hype reports the state of evidence and grades claims. It is not a substitute for a doctor or pharmacist and does not diagnose, treat, or cure anything. Read the full disclaimer →

Head to head

Magnesium vs Melatonin

On the strength of human evidence, Melatonin comes out ahead (evidence 55 vs 50). But they're often used for different things — read each claim before deciding.

Shared goals: Sleep

Magnesium

Moderate

the sleep trend ahead of its evidence

Marketed
Evidence
Slightly overhyped

Marketing intensity 70 of 100. Evidence strength 50 of 100. Verdict: Slightly overhyped.

Genuinely useful for deficiency and constipation. The 'magnesium fixes your sleep and anxiety' wave runs ahead of the science.

Full evidence on Magnesium →

Melatonin

Moderate

a timing cue, not a sleeping pill

Marketed
Evidence
Overhyped

Marketing intensity 85 of 100. Evidence strength 55 of 100. Verdict: Overhyped.

A circadian signal that helps you shift when you sleep. It is not a sedative, and most people take far too much.

Full evidence on Melatonin →

Side by side

Metric Magnesium Melatonin
Overall tier Moderate Moderate
Evidence score 50/100 55/100
Hype score 70/100 85/100
Verdict Slightly overhyped Overhyped
Safety concern low moderate

Quick answers

Magnesium or Melatonin — which has better evidence?

On the strength of human evidence, Melatonin comes out ahead (evidence 55 vs 50). But they're often used for different things — read each claim before deciding.

Can you take Magnesium and Melatonin 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.