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Explore evidence-based articles on iron, including absorption, deficiency, plant and animal sources, and evidence-based nutrition guidance.

A person enjoys a matcha drink

Matcha may affect iron absorption, but you shouldn't really worry about it

Matcha has increased in popularity of the last few years, but with it, so have rumous about potential harms. We unpack the evidence in this fact check.

A woman cooks spinach in a cast iron skillet.

Is excess iron a cancer risk? Debunking Dr Eric Berg’s claim with peer-reviewed evidence

Eric Berg warns against iron supplements linking them to cancer — but the evidence on iron and cancer risk is far more nuanced than his claims suggest.

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