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

5-HTP vs Magnesium glycinate

On the strength of human evidence, Magnesium glycinate comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.

Shared goals: Mood & stress · Sleep

5-HTP

Weak

a serotonin precursor with real interaction risks

Marketed
Evidence
Overhyped

Marketing intensity 70 of 100. Evidence strength 35 of 100. Verdict: Overhyped.

Some weak signal for mood and sleep, but the studies are poor - and because it raises serotonin, mixing it with antidepressants is genuinely dangerous.

Full evidence on 5-HTP →

Magnesium glycinate

▲ Trending

the gentle form everyone reaches for sleep

Marketed
Evidence
Overhyped

Marketing intensity 72 of 100. Evidence strength 50 of 100. Verdict: Overhyped.

A well-tolerated, easily-absorbed form of magnesium with a small but real sleep signal. The 'fixes your sleep and anxiety' framing still runs ahead of the data.

Full evidence on Magnesium glycinate →

Side by side

Metric 5-HTP Magnesium glycinate
Overall tier Weak Moderate
Evidence score 35/100 50/100
Hype score 70/100 72/100
Verdict Overhyped Overhyped
Safety concern high low

Quick answers

5-HTP or Magnesium glycinate — which has better evidence?

On the strength of human evidence, Magnesium glycinate comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.

Can you take 5-HTP and Magnesium glycinate 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.