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Does High-fiber foods Affect Manganese?
May affect absorption or how you feel
The short answer
Phytic acid in whole grains and legumes binds manganese, significantly reducing its intestinal absorption.
How to arrange timing
Take manganese supplements at least 2 hours apart from high-fiber meals.
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.