Horny Goat Weed and Horny Goat Weed for Erectile function (humans)
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Compound or practice
Horny Goat Weed
A libido herb whose active icariin is a weak PDE5 inhibitor in theory and essentially untested in humans.
Grade D1 graded outcomerevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Evidence brief
Horny Goat Weed for Erectile function (humans)
Evidence grade D — No real trials
Grade D1 graded outcomerevised Jul 10, 2026
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
| Outcome | Horny Goat Weed | Horny Goat Weed for Erectile function (humans) |
|---|---|---|
| Erectile function (humans) | Evidence grade DUnclear effectlowNo real trials | Evidence grade DUnclear effectlowNo real trials |
Graded only in Horny Goat Weed
None — every outcome it grades is graded in both.
Graded only in Horny Goat Weed for Erectile function (humans)
None — every outcome it grades is graded in both.
What each entry says about the other
- Horny Goat Weed for Erectile function (humans)’s entry · Goes with: Read the full Horny Goat Weed monograph
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.