Iron and Magnesium: Can You Take Them Together?

Notable interaction — adjust timing

Iron and Magnesium can interact. Magnesium can reduce iron absorption by 20-40% Separate by 1-2 hours or take with enhancers like vitamin C

What the evidence says

moderateconflict· moderate evidence

Magnesium can reduce iron absorption by 20-40%

Competition for divalent metal transporters in small intestine

What to do: Separate by 1-2 hours or take with enhancers like vitamin C

Iron

Evidence, dosage & safety →

Magnesium

Evidence, dosage & safety →

Compare Iron vs Magnesium Check your full stack

Related interactions

Calcium & Iron Iron & Zinc Iron & Manganese Copper & Iron Chromium & Iron Iron & Vitamin C

Frequently asked questions

Can you take Iron and Magnesium together?: Iron and Magnesium can interact. Magnesium can reduce iron absorption by 20-40% Separate by 1-2 hours or take with enhancers like vitamin C
Do Iron and Magnesium interact?: Magnesium can reduce iron absorption by 20-40% Competition for divalent metal transporters in small intestine
Should you separate Iron and Magnesium?: Separate by 1-2 hours or take with enhancers like vitamin C

This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.