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Does Caffeine Affect Ashwagandha?
Amount or timing may matter
The short answer
Caffeine's stimulant effect may counteract ashwagandha's calming and adaptogenic benefits.
How to arrange timing
Separate ashwagandha from caffeine by at least 4 hours.
Reference
Reference noted for this food and supplement combination: Examine.com
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.