Magnesium L-Threonate

nootropics

★★★★★

A form of magnesium specifically developed to cross the blood-brain barrier. Researched for cognitive function, memory, and brain ageing.

Ready to try Magnesium L-Threonate?

Shop top-rated Magnesium L-Threonate supplements on Amazon UK

Buy on Amazon High Strength →

Affiliate link — we may earn a small commission at no extra cost to you.

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.

Compare Magnesium L-Threonate with...

vs Vitamin D3 vs Magnesium vs Omega-3 (EPA/DHA)vs Creatine Monohydrate vs Ashwagandha (KSM-66)vs Zinc vs L-Theanine vs Vitamin B12 All comparisons →

The Bottom Line on Magnesium L-Threonate

Magnesium L-Threonate is moderately researched with promising but sometimes mixed evidence.It is most commonly used for crosses blood-brain barrier and may improve memory and learning. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.

About Our Research

This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.

Top Rated Magnesium L-Threonate on Amazon UK

We recommend choosing products with 4+ star ratings and verified reviews. Look for third-party tested brands.

Best Rated Magnesium L-Threonate→High Strength Magnesium L-Threonate→

Affiliate links — we earn a small commission at no extra cost to you.

Where to Buy Magnesium L-Threonate

We recommend buying from reputable retailers. Check reviews and third-party testing.

Amazon UK →

Affiliate links — we may earn a commission at no extra cost to you.

Goal Guides for Magnesium L-Threonate

See how Magnesium L-Threonate can help with specific health goals:

Magnesium L-Threonate for sleep Magnesium L-Threonate for focus Magnesium L-Threonate for energy Magnesium L-Threonate for longevity Magnesium L-Threonate for fat loss

Browse all goal guides →

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.