Damiana

Damiana, botanically Turnera diffusa or Turnera aphrodisiaca, is a small, aromatic shrub from the passionflower family (Passifloraceae). The plant originally comes from Central and South America as well as southern North America and prefers to grow in dry, hot regions with calcareous soils. Damiana was already used by the Maya and Aztecs and is considered one of the oldest aphrodisiac medicinal plants of the American continent. The delicate yellow flowers and fragrant leaves of the plant are traditionally used as tea, extract, or incense. In ethnomedicine, Damiana is valued not only for promoting libido but also for low moods, digestive problems, and nervous restlessness. Modern investigations confirm that Damiana contains a variety of bioactive compounds – including flavonoids, essential oils, triterpenes, and alkaloids.

What benefits does Damiana offer for health?

The constituents contained in Damiana have been widely used traditionally and are also the subject of modern research. This points to some potential; however, to conclusively understand the effects, more research is necessary. Here are some of the potential health benefits with which the plant could be associated in scientific studies:

  • Libido and potency support: Damiana has been used as an aphrodisiac for centuries. Studies suggest a possible circulation-promoting and stimulating effect (1,2,3).
  • Antioxidant properties: Flavonoids and terpenes from the plant show antioxidant activity in vitro (1,4).
  • Liver-protective properties: Scientific studies sometimes point to hepatoprotective properties originating from the plant's active compounds (1,5).

How does Damiana work in the body?** The effect of Damiana** is attributed primarily to its flavonoids, the essential oil it contains, arbutin, and various triterpenes and alkaloids (1,6).

Are there any risks or side effects?

In any case, intake should take place under medical supervision. In addition, certain points should be observed:

  • High doses not recommended: At very high doses, restlessness, headaches, or sleep disturbances can occur.
  • Not suitable for pregnant women: Due to hormonal mechanisms of action and insufficient research in this area, Damiana should be avoided during pregnancy and breastfeeding (4).
  • Interactions possible: Interference with various medications cannot be ruled out.

Conclusion Damiana is a medicinal plant rich in tradition with diverse applications in naturopathy – particularly in the areas of libido, mood, and nervous complaints. Modern research confirms some of the traditional effects, although further studies are necessary to conclusively evaluate the therapeutic benefit.

Sources:

  1. Parra-Naranjo, A., Delgado-Montemayor, C., Salazar-Aranda, R., & Waksman-Minsky, N. (2023). Bioactivity of the Genus Turnera: A Review of the Last 10 Years. Pharmaceuticals (Basel, Switzerland), 16(11), 1573. https://doi.org/10.3390/ph16111573
  2. Estrada-Reyes, R., Ortiz-López, P., Gutiérrez-Ortíz, J., & Martínez-Mota, L. (2009). Turnera diffusa Wild (Turneraceae) recovers sexual behavior in sexually exhausted males. Journal of ethnopharmacology, 123(3), 423–429. https://doi.org/10.1016/j.jep.2009.03.032
  3. Kumar, G. G., Kilari, E. K., Nelli, G., & Bin Salleh, N. (2023). Oral administration of Turnera diffusa Willd. ex Schult. extract ameliorates steroidogenesis and spermatogenesis impairment in the testes of rats with type-2 diabetes mellitus. Journal of Ethnopharmacology, 314, 116638. https://doi.org/10.1016/j.jep.2023.116638
  4. Avelino-Flores, M.delC., Cruz-López, M.delC., Jiménez-Montejo, F. E., & Reyes-Leyva, J. (2015). Cytotoxic activity of the methanolic extract of Turnera diffusa Willd on breast cancer cells. Journal of medicinal food, 18(3), 299–305. https://doi.org/10.1089/jmf.2013.0055
  5. Delgado-Montemayor, C., Cordero-Pérez, P., Torres-González, L., Salazar-Cavazos, M. L., Saucedo, A. L., Paniagua-Vega, D., & Waksman-Minsky, N. H. (2022). Development of a Hepatoprotective Herbal Drug from Turnera diffusa. Evidence-based complementary and alternative medicine : eCAM, 2022, 5114948. https://doi.org/10.1155/2022/5114948
  6. Coe F.G., Parikh D.M., Johnson C.A., Anderson G.J. The good and the bad: Alkaloid screening and brineshrimp bioassays of aqueous extracts of 31 medicinal plants of eastern Nicaragua. Pharm. Biol. 2012;50:384–392. doi: 10.3109/13880209.2011.608077.