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Mechanism walk · Food

Who competes with whom in the same meal

Tea, calcium and phytate all narrow iron's door. Not poison — timing.

3 stops: tea and coffee → calcium and phytate → who should care

  1. 01Tea & coffee tannins · lower plant iron
  2. 02Calcium, oxalate, phytate · also drag iron
  3. 03Practical · who should care, who shouldn't

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