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Does Soy foods Affect Iron?
May affect absorption or how you feel
The short answer
Phytates and isoflavones in soy products inhibit non-heme iron absorption.
How to arrange timing
Take iron supplements at least 2 hours apart from soy products.
Reference
Reference noted for this food and supplement combination: NIH ODS 2024
Important context
The effect can also change with food amount, supplement dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.