Strong evidencemineral
Magnesium for Poor Sleep Quality
Magnesium enhances sleep quality by increasing slow-wave sleep duration, regulating the circadian clock via melatonin synthesis, and reducing nocturnal cortisol. It modulates GABA receptors promoting deeper, more restorative sleep stages.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
How much to take
300–400 mg
Magnesium deficiency is strongly linked to poor sleep quality. Glycinate provides dual benefits from both magnesium and glycine.
When to take it
Best taken: evening