Passionflower

(Passiflora incarnata)

What it is


Passionflower is a flowering plant native to the Americas. The plant has been used for centuries by indigenous peoples for its calming and sleep-inducing effects. It was introduced to Europe in the 16th century, where it became a popular herbal remedy for anxiety and insomnia. The scientific name of passionflower is Passiflora incarnata, and it belongs to the Passifloraceae family. It is a climbing vine that can grow up to 10 meters in length, with distinctive white, purple, or blue flowers that have a unique corona structure.


The active compounds in passionflower are found in the leaves, stems, and flowers of the plant. These include flavonoids, alkaloids, and saponins, which are thought to contribute to the plant's sedative and anxiolytic effects. The first scientific studies on the therapeutic effects of passionflower were carried out in the late 19th and early 20th centuries. These studies focused mainly on its use for anxiety and insomnia, and showed promising results.


In more recent years, there has been a resurgence of interest in the potential benefits of passionflower as a natural remedy for various conditions. It has been studied for its effects on anxiety, insomnia, menopause-related symptoms, and even addiction. Passionflower is available in a variety of forms, including capsules, tablets, tinctures, teas, and extracts.



How it works


The mechanism of action of passionflower is not fully understood. It is thought to work by increasing levels of gamma-aminobutyric acid (GABA) in the brain. GABA is a neurotransmitter that plays a key role in regulating nerve activity and promoting relaxation. In addition to its effects on GABA, passionflower may also interact with other neurotransmitter systems in the brain, such as serotonin and dopamine. These interactions may contribute to the plant's sedative and anxiolytic effects.


The pharmacology of passionflower is complex and not well-understood. It contains a variety of active compounds, including flavonoids, alkaloids, and saponins, which may all contribute to its effects on the body and brain.

  • Flavonoids are a class of plant pigments that are responsible for the bright colors of many flowers, fruits, and vegetables. In passionflower, the flavonoids are found in the leaves, stems, and flowers of the plant. They may have antioxidant, anti-inflammatory, and other health-promoting properties.

  • Alkaloids are a class of nitrogen-containing compounds that are found in a wide range of plants, including passionflower. The alkaloids in passionflower are thought to contribute to its sedative effects.

  • Saponins are a class of compounds that have a soapy texture and are found in a wide range of plants, including passionflower. They may have a variety of effects on the body, including lowering cholesterol levels and improving immune function.

When taken at recommended doses, passionflower can produce a feeling of calm and relaxation. It may also help to improve sleep quality and reduce the symptoms of anxiety and insomnia. Some people may also experience mild pain relief from passionflower. However, passionflower can also cause some potential side effects. These may include dizziness, confusion, rapid heartbeat, and nausea. In rare cases, passionflower may also cause hallucinations or allergic reactions. It is important to speak with a healthcare provider before taking passionflower, especially if you have a pre-existing medical condition or are taking other medications. Passionflower may interact with certain drugs and may not be safe for everyone.


While more research is needed to fully understand its mechanisms of action and potential side effects, it remains a popular choice among those looking for a natural solution to these common health concerns.



How it is taken


Passionflower is a popular supplement used for its calming and sleep-inducing effects. It is available in a variety of forms, including capsules, tablets, tinctures, teas, and extracts.


The typical way most people use passionflower is by taking it orally. The recommended dose of passionflower varies depending on the specific product and the individual's needs. In general, the recommended dose is between 30 and 60 mg per day. It is important to follow the instructions on the product label and to speak with a healthcare provider before taking passionflower. Some people may need to start with a lower dose and gradually increase it over time to achieve the desired effects.


For those using passionflower for anxiety or insomnia, it may be best to take it in the evening to promote relaxation and sleep. However, some people may find that passionflower is more effective when taken in the morning. This may be especially true for those using it to manage anxiety or stress throughout the day. The best time of day to take passionflower is one that works for the individual and allows them to experience the desired effects. It is important to speak with a healthcare provider before starting any supplement regimen, including passionflower.




References and further reading:

  1. Dienel A, Hohn T, Künzel H, et al. Passiflora incarnata L. - Phytochemistry and Pharmacology of an Undervalued Medicinal Plant. Phytomedicine. 2012;19(11):934-941.

  2. Upton R. Passiflora incarnata L. (Passionflower). In: Benzie IFF, Wachtel-Galor S, editors. Herbal Medicine: Biomolecular and Clinical Aspects. 2nd edition. Boca Raton (FL): CRC Press/Taylor & Francis; 2011. Chapter 36.

  3. Morgan M, Dowell A, Wilby J. Passiflora incarnata (Passionflower): A Herbal Medicine of the Past with a Future? Phytother Res. 2010;24(5):619-625.

  4. Kinghorn AD, Soejarto DD. Passiflora. In: Brown D, Duke J, editor. Handbook of Medicinal Herbs. 2nd edition. Boca Raton (FL): CRC Press/Taylor & Francis; 2002. Chapter 51.

  5. Cavanagh HM, Wilkinson JM. The potential for the use of passionflower in the treatment of generalized anxiety disorder: a systematic review. J Altern Complement Med. 2002;8(2):143-150.