Passionflower

Silver· human data

Also known as: Passiflora incarnata

An anxiety and sleep herb with small but encouraging trials.

Passionflower is a traditional herb for anxiety and restlessness, thought to act on GABA pathways.

Small trials suggest it may reduce anxiety (including before medical procedures) and modestly improve sleep quality, for instance as a bedtime tea. As with most calming herbs the studies are small; it is low-risk and worth a cautious trial rather than a proven treatment.

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Written and reviewed by Mathew Beale, MSc Biotechnology, University of Reading.

Last reviewed: