Can You Take Manganese and Soy Protein Isolate Together?

May affect absorption

The short answer

Soy protein isolate contains phytates that may reduce manganese absorption by forming insoluble mineral-phytate complexes.

How to arrange timing

Consider separating soy protein and manganese by 2 hours.

Reference

Reference noted for this combination: Hurrell RF et al., Am J Clin Nutr 1992; NIH ODS

Important context

Whether supplements suit you together also depends on 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.