Damiana,
does it really help with Improved libido and sexual function?
research showsNo published human trial evaluating damiana alone for libido or sexual function in men or women was identified. Studies of combinations containing damiana cannot isolate its individual effect, so the grade is ?.
ads claimAdvertisements present libido support and improved sexual function as monotherapy effects, while the human evidence mainly concerns combination products.
Useful facts when choosing a product
- Positive human data come from multi-ingredient products, not damiana monotherapy.
- Participants were mainly women, and no male monotherapy trial was identified.
- Plant part, extraction ratio, and standardized constituents may differ among products.
Chamgap Semantic Classification Code
Candidate index · review held
S.damiana.UNK.libido-and-sexual-function.improve.placeboSupplements and nutraceuticals > Damiana > Unknown > libido and sexual function > Improvement claim > Placebo
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
Ito 2001 reported improvement in selected sexual-function measures with multi-ingredient ArginMax containing damiana in 77 women. Palacios 2019 was an uncontrolled observational study of four-ingredient Libicare containing damiana in 29 postmenopausal women. Neither was a monotherapy trial, and no male monotherapy evidence was identified.
Why this is classified as ?
The grade is ? because human monotherapy efficacy literature is absent. Combination studies are not converted into a damiana-only efficacy score.
Counterpoint. A signal remains at the combination-product level, but ingredient attribution is impossible.
Rejudgment record. New verdict — No damiana-only human libido or sexual-function efficacy trial; combination results cannot be attributed to one ingredient
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Ito TY et al. 2001 | Double-blind placebo-controlled combination trial | 77 | Proprietary combination; details unknown | Sex-life satisfaction, desire, vaginal dryness, intercourse, and orgasm | Several measures improved with damiana-containing ArginMax, but the ingredient effect was not isolated. | Combination, indirect |
| Palacios S et al. 2019 | Prospective uncontrolled observational study of a four-ingredient combination | 29 | Linked to Libicare manufacturer Procare Health | FSFI, sex hormones, and tolerability | FSFI improved after eight weeks, but there was no control group and four ingredients were administered together. | Combination, low |
Receipt — 2 References
All 2 cited sources were verified for existence at the original page (as of 2026-07-11).
Final verification and publication gate: Codex · Evidence date: 2026-07-11 · Corrections: none
Cite this verdict
[Chamgap] Damiana (Turnera diffusa) x improved libido and sexual function — Evidence Grade ?. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/mens/damiana-libido-sexual-function/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.