Can You Take DIM and Soy Protein Isolate Together?

Dose or timing may matter

The short answer

DIM promotes conversion of estrogen to less potent forms, while soy isoflavones provide estrogenic stimulation. These opposing mechanisms may reduce the benefit of either.

How to arrange timing

Consider aligning your supplement strategy — either supporting estrogen metabolism or providing phytoestrogen support.

Reference

Reference noted for this combination: Journal of Nutritional Biochemistry, 2016; 28: 70-80

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.