Can You Take Guarana and Hops Together?

Dose or timing may matter

The short answer

Guarana's caffeine and stimulant compounds may counteract hops' GABAergic sedative effects.

How to arrange timing

Separate by several 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.