Nutrition
Coffee Iron Absorption Timing
Coffee iron absorption timing spaces caffeine one to two hours after iron meals or supplements so polyphenols do not blunt plant iron uptake.
Coffee iron absorption timing is the habit of waiting about one to two hours after iron-rich meals or supplements before espresso or drip coffee—polyphenols and tannins blunt non-heme uptake. Pre-run Americanos with fortified oatmeal breakfast can silently cap repletion for female endurance athletes.
Tea counts too. You do not need to quit caffeine—shift the cup.
Common questions
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Does decaf coffee block iron too?
Decaf still carries polyphenols that can reduce absorption. Separate timing matters for decaf drinkers during active iron repletion as well.
Related terms
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