Head to head
GABA 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.
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 glycinate
▲ Trendingthe gentle form everyone reaches for sleep
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 | GABA | Magnesium glycinate |
|---|---|---|
| Overall tier | Limited | Moderate |
| Evidence score | 35/100 | 50/100 |
| Hype score | 70/100 | 72/100 |
| Verdict | Overhyped | Overhyped |
| Safety concern | low | low |
Quick answers
GABA 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 GABA 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.