In this article, learn about the possible benefits of passionflower supplements, as well as what the research says about its effectiveness.
What is passionflower?
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 inhibitory neurotransmitter — it counters neurotransmitters that cause excitement, and so it may have a calming effect.
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 contradictory results.
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:
- drowsiness
- dizziness
- confusion
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.
Takeaway
Some evidence suggests that one type of passionflower, P. incarnata may help reduce anxiety and improve sleep.
It may also have other benefits, including reducing menopause and epilepsy symptoms.
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.
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