Head to head
L-theanine vs Magnesium L-threonate
On the strength of human evidence, L-theanine comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.
L-theanine
Moderatethe calm half of your coffee
Marketing intensity 68 of 100. Evidence strength 50 of 100. Verdict: Slightly overhyped.
Best-supported paired with caffeine for smoother focus. As a standalone anti-anxiety or sleep cure, the evidence is thinner than the nootropic marketing suggests.
Full evidence on L-theanine →Magnesium L-threonate
▲ Trendingthe 'brain magnesium' with thin, industry-funded data
Marketing intensity 80 of 100. Evidence strength 35 of 100. Verdict: Severely overhyped.
Marketed as the magnesium that reaches your brain. The human evidence is one or two small, industry-funded trials - promising, nowhere near proven, and priced at a steep premium.
Full evidence on Magnesium L-threonate →Side by side
| Metric | L-theanine | Magnesium L-threonate |
|---|---|---|
| Overall tier | Moderate | Limited |
| Evidence score | 50/100 | 35/100 |
| Hype score | 68/100 | 80/100 |
| Verdict | Slightly overhyped | Severely overhyped |
| Safety concern | low | low |
Quick answers
L-theanine or Magnesium L-threonate — which has better evidence?
On the strength of human evidence, L-theanine comes out ahead (evidence 50 vs 35). But they're often used for different things — read each claim before deciding.
Can you take L-theanine and Magnesium L-threonate 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.