Supplements for men's health and Horny Goat Weed
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.
Goal guide
Supplements for men's health
6 compounds relevant to men's health, ranked by overall evidence grade.
Grade B6 graded outcomesrevised 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.
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.
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.
No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.
Graded only in Supplements for men's health
- Beta-Sitosterol Unclear effectEvidence grade B
- Stinging Nettle Unclear effectEvidence grade C
- Saw Palmetto Unclear effectEvidence grade C
- Pygeum Unclear effectEvidence grade C
- Lycopene Unclear effectEvidence grade C
- Horny Goat Weed Unclear effectEvidence grade D
Graded only in Horny Goat Weed
- Erectile function (humans) Unclear effectEvidence grade D
What each entry says about the other
- Supplements for men's health’s entry · Goes with: Grade D
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.