Damiana (Turnera diffusa Willd.) - a Traditionally Used Aphrodisiac as Modern PDE-5 Inhibitor
Szewczyk K, Bogucka-Kocka A, Zidorn C
Published in Planta Medica
Methodology
In vitro screening of Turnera diffusa extracts and isolated flavonoids for phosphodiesterase-5 inhibitory activity.
Key Findings
Damiana extracts and several constituent flavonoids inhibited PDE-5 in vitro, providing a plausible mechanism for reported effects on erectile function.
Conclusions
Damiana shows PDE-5 inhibition in vitro; clinical relevance at dietary doses is unknown.
Limitations
In vitro only; no pharmacokinetic or human data; doses far above realistic plasma concentrations.
Supplements Studied
Damiana extracts and several constituent flavonoids inhibited PDE-5 in vitro.
Outcomes Measured
Damiana extracts and several constituent flavonoids inhibited PDE-5 in vitro, providing a plausible mechanism for reported effects on erectile function.
Related Health Concerns
Study Details
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