Tag: iron absorption
How Coffee and Tea Reduce Iron Absorption: A Mechanism Explained
Polyphenols in coffee and tea bind non-heme iron in the gut, reducing absorption by 50 to 90%. Vitamin C counteracts…
Why Spinach Iron Doesn’t Count Like Meat Iron: The Bioavailability Gap
A cup of spinach contains 6 mg of iron but only 2–20% is absorbed, while beef's 2.5 mg iron is…
How Brew Time Transforms Tea Chemistry: What Science Reveals About Steeping Duration
Research mapping tea extraction kinetics reveals that steeping duration fundamentally alters the concentration of bioactive compounds in tea. Caffeine extracts…
How Coffee and Tea Reduce Iron Absorption by Up to 94% Through Polyphenol Binding
New research reveals how coffee and tea reduce iron absorption by up to 94% through polyphenol binding. Study identifies vitamin…
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