Can You Take Black Cohosh and Dong Quai Together?

Dose or timing may matter

The short answer

Both Black Cohosh and Dong Quai modulate estrogen receptor activity. Combined use may produce additive hormonal effects.

How to arrange timing

Research suggests monitoring for signs of estrogen excess when combining these herbs.

Reference

Reference noted for this combination: Journal of Ethnopharmacology, 2009; 124(3): 576-580

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.