Studies

CellWell record HH-3814

The effects of magnesium L-threonate (Magtein ) on cognitive performance and sleep quality in adults: a randomised, double-blind, placebo-controlled trial.

Lopresti AL; Smith SJ

Frontiers in nutrition ยท 2026

In plain language

In 100 adults aged 18 to 45 with dissatisfied sleep, 6 weeks of magnesium L-threonate (Magtein) improved overall cognition, reaction time, and some sleep-impairment and heart-rate measures versus placebo, and was well tolerated.

Evidence
Emerging
Design
Randomized controlled trial
Studied in
Human

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