Magnesium L-Threonate
Overview
Patented form (Magtein) designed to cross blood-brain barrier. Specifically for cognitive enhancement and brain magnesium.
Frequently Asked About Magnesium L-Threonate
How much Magnesium L-Threonate should I take?
When is the best time to take Magnesium L-Threonate?
Should I take Magnesium L-Threonate with food?
Does Magnesium L-Threonate interact with medications?
What does Magnesium L-Threonate pair well with?
Who should not take Magnesium L-Threonate?
What are the side effects of Magnesium L-Threonate?
Dosage
Benefits take 4-6 weeks
Cognitive concerns
Research & Studies
We haven’t curated landmark studies for Magnesium L-Threonateyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Threonate enables BBB crossing
- • Increases brain Mg levels
- • Enhances synaptic plasticity
Evidence Quality
Unique brain penetration
Safety & Contraindications
- • Kidney cautions same as other Mg
- • Severe kidney disease
- • Headache initially
- • Drowsiness
Limited data
Caution kidney disease
Interactions
- • Same as other Mg
- • Works with nootropics
- • No interactions
Stacking & Synergies
Buying Guide
- • Magtein brand
- • Lower elemental Mg per serving
- • Specifically for brain, not general Mg
Related Guides
In-depth guides covering Magnesium L-Threonate — protocols, comparisons, and use cases.
More in Mineral
Other ingredients in the Mineral category.
Cite this page
Formulate Research Team. (2026, June). Magnesium L-Threonate — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/magnesium-threonate
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.