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Passionflower is a variety of exotic vine flower with curly purple or blue tentacle-like petals. One variety of passionflower, Passiflora incarnata, may help treat anxiety, insomnia, and pain.
In this article, learn about the possible benefits of passionflower supplements, as well as what the research says about its effectiveness.
Passionflower grows throughout South America and some parts of the southern United States. It is part of the Passiflora family, which also includes passion fruit.
People have used one variety of passionflower, Passiflora incarnata (P. incarnata), since the 16th century for medicinal purposes.
Some researchers believe that passionflower supplements may help treat anxiety, insomnia, and certain forms of pain because it may increase levels of gamma-aminobutyric acid (GABA), a chemical the brain makes to help regulate mood.
GABA is an
Passionflower contains GABA. However, consuming GABA in this way does not necessarily mean that the acid will reach the brain.
Traditionally, scientists believed that GABA could not cross the blood-brain barrier, but some studies have had
In general, there is
Several clinical studies show that passionflower has anxiety-calming (anxiolytic) effects. In
A 2016 clinical trial found that passionflower decreased anxiety and improved memory in rats. These effects could be due to P. incarnata affecting GABA levels.
However, conclusions about the degree to which passionflower works vary from study to study.
Some evidence indicates that passionflower helps people sleep.
One study in rats found that P. incarnata
Determining the effectiveness and identifying side effects in humans will require further research.
Passionflower supplements may have additional benefits, including:
Reducing menopause symptoms
Results of a
With limited evidence available, determining the effectiveness of passionflower for seizure management will require more research.
Some findings indicate that passionflower has
There are few documented side effects of passionflower, making likely to be a low-risk supplement to a healthful routine.
In some instances, passionflower may cause:
Pregnant women should speak to their doctors before taking passionflower. Also, there is insufficient evidence to support its use in children.
The United States Food and Drug Administration (FDA) regard P. incarnata as safe.
Some evidence suggests that one type of passionflower, P. incarnata may help reduce anxiety and improve sleep.
People can use passionflower supplements with other anxiety treatments, but always speak with a doctor about possible interactions.
Passionflower supplements are available in some health food stores and online.