Can You Take Green Tea Extract (EGCG) and Selenium Together?

May affect absorption

The short answer

EGCG (green tea catechins) may reduce selenium absorption through polyphenol chelation effects.

How to arrange timing

Consider separating green tea extract and selenium by 2 hours.

Reference

Reference noted for this combination: NatMed Pro Green Tea Monograph

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.