Can You Take Calcium and Yellow Dock Together?

Dose or timing may matter

The short answer

Yellow Dock contains oxalates that can bind calcium, reducing absorption of both. High oxalate intake with calcium may also increase kidney stone risk.

How to arrange timing

Separate Yellow Dock and calcium supplements by at least 2 hours.

Reference

Reference noted for this combination: Natural Medicines Comprehensive Database; Examine.com

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.