Does Soy foods Affect Manganese?

May affect absorption or how you feel

The short answer

Phytic acid in soy binds divalent cations including manganese, reducing its absorption by 20-40%.

How to arrange timing

Separate manganese supplements from soy products by at least 2 hours.

Reference

Reference noted for this food and supplement combination: NIH ODS 2024; Sandström et al., J Nutr 1987

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.