Supplements / Exploratory
Magnesium L-Threonate
Best for: Cognitive performance, Brain longevity
Magnesium L-Threonate is rated limited evidence (tier C on our evidence scale). 1.5–2 g L-threonate daily, providing ~144 mg elemental magnesium. Evening; sometimes split.
Sources last reviewed
When and how to take Magnesium L-Threonate
- Dose
- 1.5–2 g L-threonate daily, providing ~144 mg elemental magnesium.
- Timing
- Evening; sometimes split.
- Review
- Reassess after 8 to 12 weeks.
- Forms
- magtein l-threonate
What Magnesium L-Threonate is used for
- Marketed for cognitive benefit based on a single small RCT and rodent data.
- Per dollar, glycinate covers magnesium adequacy more efficiently for non-cognitive use.
What to look for when buying Magnesium L-Threonate
- Preferred third-party verification: Third-party tested (COA).
- Common contamination risks: Mislabeling / identity.
- Identity: Magtein is the patented, studied form. Note: per gram, this delivers far less elemental magnesium than glycinate or citrate.
Talk to a clinician first
This is a supplement we won’t link to a specific product without clinician context. Once we offer clinician partner pathways, this is where they’ll appear.
If you’re working with a doctor or qualified practitioner, they can advise on dose, brand, and monitoring.
Your experience
If you’ve tried Magnesium L-Threonate, you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Magnesium L-Threonate
- Magnesium L-threonate for cognition: small RCT (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.