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Magnesium L-Threonate
nootropics
★★★★★
A form of magnesium specifically developed to cross the blood-brain barrier. Researched for cognitive function, memory, and brain ageing.
Benefits
✓Crosses blood-brain barrier
✓May improve memory and learning
✓Sleep quality improvement
✓Brain magnesium levels
✓Potential neuroprotective effects
Dosage
Typical Dose
1,500-2,000mg (providing ~144mg elemental Mg)
Upper Limit
2,000mg daily
Timing
Evening — has calming/sleep-promoting effects
Forms & Bioavailability
Magnesium L-Threonate (Magtein)
High brain bioavailability — patented form
Side Effects
⚠Drowsiness
⚠Headache in some people initially
⚠Low elemental magnesium per dose — may need additional Mg source
Interactions
⚡Safe with most supplements
⚡May enhance effects of sleep aids
⚡Does not replace need for other magnesium forms for muscle/general health
Research Summary
MIT-developed compound. One key RCT showed improved cognitive abilities in older adults. Limited but promising research. More studies needed to confirm benefits.
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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.