Can You Take L-Theanine and Valerian Root Together?

Use extra care with this pair

The short answer

L-Theanine's calming effect combined with valerian's GABAergic sedation may lead to excessive drowsiness.

How to arrange timing

If combining for sleep, start with lower doses of each.

Reference

Reference noted for this combination: Bent et al., 2006, Am J Med

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.