Evidence supporting the use of: Horny Goat Weed
For the body system: Testosterone

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Table of Contents

Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Horny Goat Weed (Epimedium) has a long history of use in Traditional Chinese Medicine (TCM) as an aphrodisiac and for supporting male sexual health, including what is now often marketed as testosterone support. The main active compound, icariin, is thought to enhance libido and sexual function, which in traditional contexts is often associated with “yang” energy or male vitality. However, the connection between Horny Goat Weed and direct testosterone elevation is largely inferred from its traditional use for male health, rather than from robust clinical data.

Scientific research on Horny Goat Weed’s effects on testosterone in humans is limited. Most studies have been conducted in animals or in vitro, where icariin has shown some potential for modulating enzymes involved in hormone production, possibly leading to modest increases in testosterone. However, these effects have not been convincingly demonstrated in well-designed human trials. Therefore, while Horny Goat Weed is widely used and promoted for testosterone support, its justification is primarily traditional, with only preliminary and indirect scientific support. Most authoritative reviews rate the evidence for testosterone support as weak or inconclusive.

In summary, Horny Goat Weed’s reputation for supporting the testosterone body system is mainly based on traditional use and anecdotal claims, with limited scientific validation at this time.

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