Tribulus Terrestris and sexual function
What 4 graded rows on tribulus terrestris agree on for sexual function, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Tribulus Terrestris page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Tribulus Terrestris page, with its PubMed record.
Your question
Tribulus Terrestris and sexual function
4 rows · 346 peopleThey agree: all 4 rows found an improvement.
- BGrade B× 1
- CGrade C× 1
- DGrade D× 2
- Rows
- 4
- Trials
- 4
- People
- 346
What the rows share
From the rowsThe best-graded row, grade B, is a randomized trial of 180 people (2017) and found an improvement.
The rows run from 36 to 180 people, published from 2014 to 2019: 4 single studies.
The rows
4 improved- BGrade BErectile function (IIEF) in mild to moderate ED · Improved
RCT · n 180 · 2017 · Men aged 18–65 with mild or moderate ED, including some with hypertension, diabetes or metabolic syndrome
2 tablets 3 times daily (1,500 mg/day of extract) · 12 weeks
IIEF improved 2.70 points more than placebo (95% CI 1.40–4.01), with gains in desire and satisfaction. Adverse events were similar to placebo.
Row on the Tribulus Terrestris page · PubMed 28364864 (opens PubMed)
- CGrade CFemale sexual function (FSFI) · Improved
RCT · n 60 · 2014 · Iranian women of reproductive age with hypoactive sexual desire disorder
7.5 mg/day as reported in the abstract · 4 weeks
Total FSFI and the desire, arousal, lubrication, satisfaction and pain domains improved more than with placebo; side effects were similar.
Row on the Tribulus Terrestris page · PubMed 24773615 (opens PubMed)
- DGrade DErectile function, testosterone and urinary symptoms in men with low testosterone · Improved
RCT · n 70 · 2019 · Ageing men with partial androgen deficiency, ED and lower urinary tract symptoms
3 times daily (amount not stated in the abstract) · 3 months
Total testosterone and erectile-function scores rose in the tribulus group, but urinary symptom scores did not change. AST and PSA also rose slightly. The abstract reports within-group changes.
Row on the Tribulus Terrestris page · PubMed 30253697 (opens PubMed)
- DGrade DFemale sexual function in postmenopausal women · Improved
RCT · n 36 · 2016 · Healthy sexually active postmenopausal women with low libido
750 mg/day · 120 days
Both groups improved on most FSFI domains; on a second questionnaire only the tribulus group improved desire, arousal, pain and orgasm. Free and bioavailable testosterone rose.
Row on the Tribulus Terrestris page · PubMed 27760089 (opens PubMed)