COMPARE
PopulationAdults with below-average dietary magnesium intakeAdults with irregular schedules
EvidenceMODERATE · SMALLMODERATE · MODERATE
RiskLOWLOW
TimeframeFour to eight weeks before judging any effect.Two to four weeks of regularity before it compounds.
The decisionFood first. Worth considering when dietary intake is genuinely low; expect a small effect, not a transformation.Free, unglamorous, and more reliable than most products. Fix the wake time first; the rest follows.