Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Catuaba is a term used for the bark of several Brazilian trees, most commonly Erythroxylum catuaba and Trichilia catigua. Its use as a remedy for erectile dysfunction (ED) is primarily rooted in traditional Brazilian medicine, where it has long been regarded as an aphrodisiac and a general tonic for sexual health. Folk medicine in Brazil has promoted catuaba for centuries for enhancing libido and treating male sexual inadequacy, including ED.

Despite its longstanding traditional use, the scientific evidence supporting catuaba’s efficacy for erectile dysfunction is minimal and low quality. Only a handful of preclinical studies—primarily in animal models—have examined its effects, some showing mild aphrodisiac or pro-erectile activity (often using extracts in non-human doses). Human clinical trials are lacking, and there are no robust studies confirming its effectiveness or safety for ED in people. Therefore, its use for ED remains largely supported by traditional belief rather than rigorous scientific validation. The overall evidence quality is rated low (1/5), primarily due to the absence of well-controlled human studies.

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