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Botanical illustration of Damiana
MedicinalSourced entry

Damiana

Turnera diffusa

A plant used in folk medicine as an aphrodisiac. Lab and animal studies suggest effects on sexual function, but it hasn't been tested on its own in people.

Safety at a glance

  • PregnancyNothing recorded
  • BreastfeedingNothing recorded
  • MedicinesNothing recorded
  • Who should avoid itNothing recorded
  • AllergiesNothing recorded
  • ToxicityNothing recorded

Tap a box to read the safety notes below. “Nothing recorded” means our sources don't cover it, not that it's safe.

What is Damiana?

Plant family
Passifloraceae, the passionflower family
Parts used
The leaves
Genus
Turnera
Species
diffusa

Traditionally used for

  • Aphrodisiac (traditional)
  • Sexual health

Traditionally described as

  • Antioxidant (in lab tests)

Health topics

Where Damiana appears in symptom search, and why. Being listed doesn't mean it's a proven treatment.

  • Sexual Health

    A folk aphrodisiac. Lab and animal studies suggest effects on sexual function, but it hasn't been tested on its own in people.

How it's prepared

Common ways Damiana is prepared or sold. This isn't advice on how to take it; see Safety below.

What does the research say?

Traditional use

These are traditional uses, not proven treatments.

  • In Brazilian folk medicine, damiana is one of the plants used as an aphrodisiac and for male sexual problems.[3]Study

Laboratory & animal research

Lab and animal results show what might be worth studying in people. They don't show that the herb has these effects in humans.

  • A 2024 review found damiana is one of the few Brazilian folk aphrodisiacs tested in lab and animal studies. Possible effects include acting as an antioxidant, acting like male hormones, and affecting blood flow and brain chemicals involved in sexual function. The reviewers say more research is needed.[3]Study

    Technical detail: proposed mechanisms include androgenic activity, PDE5 inhibition, increased nitric oxide, and dopaminergic and noradrenergic activation.

  • In lab tests on human cells, a commercial damiana extract lowered levels of an enzyme targeted by erection medicines, blocked an enzyme that turns testosterone into estrogen, and slightly raised nitric oxide, which helps blood vessels relax. These were cell tests only.[1]Study

    Technical detail: Liboost extract; 49 compounds, mainly flavonoids (15.9 mg/g); reduced PDE5 expression, inhibited aromatase.

In short

Not tested on its own in people; its safety is unknown.

Sources

  1. [1] Flavonoid Composition and Molecular Basis of the Potential Sexual-Enhancing Properties of a Turnera diffusa Extract (Liboost) — Pharmaceuticals · DOI: 10.3390/ph19040597Peer-reviewed study
  2. [2] Damiana — Herban Herbalist materia medica — Herban Herbalist (herb shop)General reference
  3. [3] The traditional use of native Brazilian plants for male sexual dysfunction: Evidence from ethnomedicinal applications, animal models, and possible mechanisms of action — Journal of Ethnopharmacology · DOI: 10.1016/j.jep.2023.116876Peer-reviewed study

This information is educational and traditional in nature, and is not a substitute for professional medical advice. Unfamiliar word? See what these words mean.