Can You Take Guarana and Valerian Root Together?

Dose or timing may matter

The short answer

Guarana's caffeine content may counteract valerian's sedative properties.

How to arrange timing

Separate intake by at least 4-5 hours.

Reference

Reference noted for this combination: Haskell et al., 2007, J Psychopharmacol

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.