Head to head
Magnesium L-threonate vs Vitamin B12
On the strength of human evidence, Vitamin B12 comes out ahead (evidence 55 vs 35). But they're often used for different things — read each claim before deciding.
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 →Vitamin B12
Moderatean energy fix only if you're actually low
Marketing intensity 75 of 100. Evidence strength 55 of 100. Verdict: Slightly overhyped.
Essential and genuinely energising if you're deficient. The 'B12 for energy' shots and gummies do nothing measurable if your levels are already normal.
Full evidence on Vitamin B12 →Side by side
| Metric | Magnesium L-threonate | Vitamin B12 |
|---|---|---|
| Overall tier | Limited | Moderate |
| Evidence score | 35/100 | 55/100 |
| Hype score | 80/100 | 75/100 |
| Verdict | Severely overhyped | Slightly overhyped |
| Safety concern | low | low |
Quick answers
Magnesium L-threonate or Vitamin B12 — which has better evidence?
On the strength of human evidence, Vitamin B12 comes out ahead (evidence 55 vs 35). But they're often used for different things — read each claim before deciding.
Can you take Magnesium L-threonate and Vitamin B12 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.