Hypericum, the plant that relieves sleep disorders

Hypericum, the plant that relieves sleep disorders8

The hypericum (Hypericum perforatum) plant is native to Europe and widespread in America and Australia. It grows wild on roadside verges in dry, sunny environments.

Hypericum is also called St John’s Wort, a name that emerged in the Middle Ages referring to 24th June, the best day for harvesting the plant, and the day of the feast of St John the Baptist. Around this date, the plant has its highest concentration of active principles. The plant begins to flower in May with golden yellow flowers with prominent black dots around their edges that contain essential oil, a feature that gives it its name perforatum1, 2.

St John’s Wort, a plant used since ancient times

St John’s Wort has been used since ancient times as a natural remedy for relieving depression and other ailments.

  • In the 5th century BC, the Ancient Greek physician Hippocrates, considered hypericum as a tonic for anxiety and as an anti-inflammatory2.
  • The Greek pharmacologist and botanist Dioscorides included St John’s Wort in his treatise on plants and medicinal remedies2.
  • Galen, a Greek physician, surgeon and philosopher, and Pliny the Elder, a Roman soldier and nature scholar, both cite hypericum in their texts2.

What does hypericum contain?

The chemical composition of St. John’s Wort is well known from various research studies. The composition of hypericum includes components such as hypericin and flavonoids, natural pigments present in plants and which protect the body from the damage caused by oxidising agents. Its chemical composition also includes essential oil, phenolic acids and carotenoids and a high proportion of condensed tannins with astringent and anti-inflammatory properties3.


Benefits of hypericum

Hypericum perforatum is one of the oldest and most widely researched medicinal herbs. Scientific research in the 20th century focused on hypericum’s capacity to combat depression, based on its positive influence on neurotransmitters4, chemical substances which when not in balance can produce alterations in depressive states and other similar ailments. Other benefits of the hypericum plant include:

1.   For emotional balance and healthy sleep

Hypericum helps to maintain healthy sleep for those suffering from alterations in mood 5. It also aids emotional balance and optimal relaxation 6 and helps to maintain a healthy mental state 7. It is a plant that helps to maintain a positive and balanced mood as well as overall wellbeing 8.

2.   For irritability during the menstrual cycle10

The Department of Complementary Medicine at Exeter University carried out a study on a group of women to determine whether hypericum could relieve symptoms of premenstrual syndrome (PMS). The study was carried out on a group of nineteen physically and mentally healthy women not taking other treatments for PMS. They were given hypericum tablets for two complete menstrual cycles 9.

This study found that the improvement in overall PMS scores between the baseline and the end of the trial was 51%, with over two-thirds of the sample demonstrating at least a 50% decrease in symptom severity 9. The positive results of studies in this area indicate that hypericum contributes to good nervous system balance during the menstrual cycle 10.

3.   For healthy breathing

Hypericin is one of the most prominent active principles of hypericum, together with hyperforin and anthraquinone. For this reason, hypericum is used to aid healthy, easy breathing and to soothe the throat 11.

4.   To restore the body’s functions

The restorative effects for maintaining the body’s functions include its ability to strengthen the immune system, improve cardiovascular system health, tone the body, stimulate mental effort and capacity and improve the body’s ability to adapt in extreme and stressful situations12. Besides being a restorative product, it is recommended for anyone wanting to suppress addiction, including tobacco addiction12.

How to take Anastore’s hypericum

The recommended daily dose is 230 mg dry extract of hypericum flower standardised to contain 0.3% hypericin, i.e. 0.69mg, and the recommended format for consuming the components of this plant is in dosed liquid or solid preparations. Anastore offers hypericum in plant capsules that contain standardised extract of hypericin.


  1. Berdonces i Serra JL. Gran Enciclopedia de las plantas medicinales. Madrid: Tikal Ediciones, 2002.
  2. Monográfico de Hypericum perforatum L. Pablo Saz Peiró, Juan José Gálvez Galve, María Ortiz Lucas. Medicina Naturista, 2010; Vol. 4 - N.º 2: 57-62.
  3. St John's wort (Hypericum perforatum L.): a review of its chemistry, pharmacology and clinical properties. J Barnes, LA Anderson, JD Phillipson. J Pharm Pharmacol. Mayo de 2001; 53 (5): 583-600.
  4. Community herbal monograph on Hypericum perforatum L., herba (well-established medicinal use). EMA-HMPC. London: EMA. Doc. Ref.: EMA/HMPC/101304/2008. Adopted: 12-11-2009.
  5. Extracted from the EFSA health claims application list, under evaluation (ID 4421).
  6. Extracted from the EFSA health claims application list, under evaluation (ID 3860).
  7. Extracted from the EFSA health claims application list, under evaluation (ID 3596).
  8. Extracted from the EFSA health claims application list, under evaluation (ID 4065).
  9. Stevinson C., E Ernst. A pilot study of Hypericum perforatum for the treatment of premenstrual syndrome. Stevinson C., E Erns. BJOG. Julio de 2000; 107 (7): 870-6.
  10. Extracted from the EFSA health claims application list, under evaluation (ID 2560).
  11. Extracted from the EFSA health claims application list, under evaluation (ID 2272).
  12. Extracted from the EFSA health claims application list, under evaluation (ID 2454).

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