Head to head
GABA vs Magnesium
On the strength of human evidence, Magnesium comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.
GABA
Limitedcalm in a capsule — if it reaches your brain
Marketing intensity 70 of 100. Evidence strength 35 of 100. Verdict: Overhyped.
Sold as instant calm, but the catch is basic biology: oral GABA struggles to cross into the brain. A few small trials hint at a sleep effect anyway, by unclear means.
Full evidence on GABA →Magnesium
Moderatethe sleep trend ahead of its evidence
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 →Side by side
| Metric | GABA | Magnesium |
|---|---|---|
| Overall tier | Limited | Moderate |
| Evidence score | 35/100 | 50/100 |
| Hype score | 70/100 | 70/100 |
| Verdict | Overhyped | Slightly overhyped |
| Safety concern | low | low |
Quick answers
GABA or Magnesium — which has better evidence?
On the strength of human evidence, Magnesium comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.
Can you take GABA and Magnesium 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.