NutriVouch
Confidence level
Strong evidence
708 studies

Magnesium

Last reviewed: 3/2/2026

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Absorption
Magnesium glycinate has the best bioavailability. Take in the evening for sleep benefits. Avoid taking with zinc as they compete for absorption.
Daily Dose
Common dose: 200-400 mg daily.
RDA: 400-420 mg for men, 310-320 mg for women.
Upper limit: Not established.
Best form: Magnesium citrate, magnesium glycinate.
Timing: With meals to enhance absorption.
Excessive intake from supplements can cause diarrhea. Blood testing is advisable to assess magnesium status.
Food Sources
  • Pumpkin seeds150mg per 28g
  • Dark chocolate64mg per 28g
  • Spinach78mg per 100g
  • Almonds76mg per 28g

Not medical advice