Does Tea Affect Ashwagandha?

Amount or timing may matter

The short answer

Caffeine in tea may counteract ashwagandha's cortisol-lowering and anxiolytic effects through HPA axis stimulation.

How to arrange timing

Separate ashwagandha from tea by at least 3 hours.

Reference

Reference noted for this food and supplement combination: Examine.com 2024

Important context

The effect can also change with food amount, supplement 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.