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Can You Take Passionflower and Skullcap Together?
Use extra care with this pair
The short answer
Both passionflower and skullcap modulate GABA-A receptors; stacking may cause excessive drowsiness.
How to arrange timing
Use one at a time, especially before activities requiring alertness.
Reference
Reference noted for this combination: Ngan & Conduit, 2011, Phytother Res
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.