Caffeine and Iron: Can You Take Them Together?

Notable interaction — adjust timing

Caffeine and Iron can interact. Coffee can reduce iron absorption by 35-60% Avoid coffee within 1 hour of iron supplementation.

What the evidence says

moderateconflict· strong evidence

Coffee can reduce iron absorption by 35-60%

Polyphenols in coffee inhibit iron absorption

What to do: Avoid coffee within 1 hour of iron supplementation.

Caffeine

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Iron

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Compare Caffeine vs Iron Check your full stack

Related interactions

Caffeine & L-Theanine Caffeine & Synephrine Caffeine & Yohimbe Caffeine & Magnesium Calcium & Iron Iron & Zinc

Frequently asked questions

Can you take Caffeine and Iron together?: Caffeine and Iron can interact. Coffee can reduce iron absorption by 35-60% Avoid coffee within 1 hour of iron supplementation.
Do Caffeine and Iron interact?: Coffee can reduce iron absorption by 35-60% Polyphenols in coffee inhibit iron absorption
Should you separate Caffeine and Iron?: Avoid coffee within 1 hour of iron supplementation.

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.