Botanical
Passionflower
Passionflower is Passiflora incarnata, a climbing vine native to the southeastern United States whose leaves and flowers are used as an herbal remedy.
Also listed as Passiflora incarnata, Passiflora spp, Passiflora, Passionflower Extract
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
Why people take it
Stress & Mood24.8%
Sleep21.3%
Essential Health16.1%
Cognition14.7%
Immune Support7%
Energy4%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Chamomile
Valerian
Lavender
California Poppy