Catuaba and damiana
Catuaba and Damiana in Quietum Plus: What Is Known
Catuaba and damiana are tile 5 of the 18 Quietum Plus ingredients. Catuaba is a Brazilian bark tonic and damiana is a Mexican shrub leaf, and both are traditionally sold for libido and vitality. We found no reliable human trials of catuaba, little for damiana, no hearing studies for either, and no printed amount in the capsule.
Written by the Quietum Plus label deskUpdated
01Tile 5
What are catuaba and damiana in Quietum Plus?
Catuaba and damiana are two of the 18 Quietum Plus ingredients, shown together on tile 5 of the sales page as "catuaba powder" and "damiana" (Quietum Plus sales page). The page prints no amount for either one.
Catuaba is the bark of Brazilian trees sold under that name. The plant source varies by product, so two bottles labeled catuaba may not hold the same species. Damiana is the leaf of Turnera diffusa, a shrub from Mexico, often brewed as a calming tea.
Both are best known as traditional tonics for libido and vitality. Neither is a hearing herb by tradition or by trial.
| Name on the sales page | Catuaba Powder |
|---|---|
| What it is | Bark of Brazilian trees sold under the catuaba name |
| Sales-page tile | Tile 5, no claim of its own |
| Group (ours) | Roots sold for vitality |
| Amount in a capsule | Not printed |
| Usually sold or studied for | Traditional Brazilian tonic sold for libido; no reliable human trials |
| Research on hearing or tinnitus | No hearing or tinnitus trials found |
| Main caution | The plant source varies by product, and we found no safety studies. |
| Name on the sales page | Damiana |
|---|---|
| What it is | Turnera diffusa leaf, a Mexican shrub |
| Sales-page tile | Tile 5, no claim of its own |
| Group (ours) | Roots sold for vitality |
| Amount in a capsule | Not printed |
| Usually sold or studied for | Traditional aphrodisiac and calming tea; little human research |
| Research on hearing or tinnitus | No hearing or tinnitus trials found |
| Main caution | Few data on side effects; unstandardized herbal products carry interaction risks. |
02Catuaba
What is catuaba, and is it safe to take?
Catuaba is a traditional Brazilian tonic bark, and its safety is not well documented. We found no reliable human trials and no safety studies for it.
That is a gap, not a verdict. Absence of data means no one can say what a safe amount is, or who should avoid it. The varying plant source makes the gap wider, because a trial of one catuaba would not apply to another.
A review of herbal sexual enhancers, which looked at maca, muira puama, damiana and ashwagandha, found that few data exist on the side effects of several of these plants (Brunetti et al., Herbal Sexual Enhancers). Catuaba was not among the herbs it covered, so even that review leaves it unexamined.
03Damiana
What is damiana used for, and does it have human studies?
Damiana is used as a traditional aphrodisiac and a calming tea. Human research is scarce, and we found no trial of damiana for hearing.
The same review of herbal sexual enhancers included damiana. Most of the herbs seemed safe at therapeutic doses. But mild to severe effects may occur with overdosing or with unstandardized products, and drug interactions were the larger worry because the herbs are often mixed with other extracts or medicines (Brunetti et al., Herbal Sexual Enhancers).
Quietum Plus is exactly such a mix: 13 herbs with vitamins, zinc and amino acids, and no printed amounts.
04At a glance
What does the evidence show for catuaba and damiana?
The evidence for both herbs is thin, and none of it concerns hearing. The table sets out what we found, and what we did not.
| Question | Catuaba | Damiana |
|---|---|---|
| Traditional use | Tonic, libido | Aphrodisiac, calming tea |
| Reliable human trials | None found | Little found |
| Safety data | None found | Few data (Brunetti et al., Herbal Sexual Enhancers) |
| Hearing or tinnitus trials | None found | None found |
| Amount in Quietum Plus | Not printed | Not printed |
For the other libido herbs, see muira puama and ginger and the full ingredient list.
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See packs05Medicines
Can damiana affect blood sugar or other medicines?
Our sources do not report a blood sugar effect for damiana, so we cannot say. That does not mean there is none, and the question is open.
The capsule holds other ingredients that matter here. Ashwagandha may add to diabetes and blood pressure medicines (NCCIH, Ashwagandha), and L-arginine can lower blood pressure and blood sugar (Mayo Clinic, L-arginine). If you take diabetes medicine, ask your pharmacist about the whole capsule, not one herb.
Keep taking your prescribed medicine, and do not change it because you started a supplement.
06Claims
Where does "could help slowing the process of cell degeneration" come from?
The sales page prints "Could help slowing the process of cell degeneration" among its tile texts, but it does not say which ingredient earns the line (Quietum Plus sales page). It gives no source for it, so we cannot trace it.
We do not assign it to catuaba or damiana. A line like this describes an idea, not a result: no trial in our sources shows either herb slowing cell aging in people.
The page also says nothing about hearing for this tile. Guidelines advise against supplements for persistent, bothersome tinnitus (AAO-HNSF Tinnitus Update 2026). Read the five printed support lines on the benefits page.
When ringing is a doctor question, not a supplement question
Sudden hearing loss in one ear (same day), ringing that beats with your pulse, ringing after a head injury, or ringing with dizziness, weakness or a drooping face. Call 911 for sudden weakness or a drooping face. Sources: NIDCD on sudden deafness (NIDCD, Sudden Deafness), the NHS (NHS, Tinnitus), Mayo Clinic (Mayo Clinic, Tinnitus) and the tinnitus guideline (AAO-HNSF Tinnitus Guideline 2014).
07Keep reading
Which Quietum Plus ingredient pages come next?
Eight more pages cover the rest of the 18 ingredients, one for each sales-page tile. Pick any below.
08FAQ
Catuaba and damiana questions, short answers
What is catuaba?
Catuaba is the bark of Brazilian trees sold as a traditional tonic, mainly for libido and vitality. The plant source varies by product, and we found no reliable human trials of it (Quietum Plus sales page).
What is damiana used for?
Damiana is the leaf of a Mexican shrub, Turnera diffusa. It is used as a traditional aphrodisiac and a calming tea. Human research is scarce, and we found no trial of it for hearing (Brunetti et al., Herbal Sexual Enhancers).
Is catuaba safe to take?
We found no safety studies for catuaba, so its safe amount and its risks are unknown. The plant source varies by product too. Ask a pharmacist, tell them you take it, and skip it in pregnancy or nursing.
Do damiana and catuaba have human studies?
Little. Reliable human trials of catuaba were not found, and damiana has few. A 2020 review of herbal sexual enhancers noted that few data exist on side effects for several of these plants (Brunetti et al., Herbal Sexual Enhancers).
Can damiana affect blood sugar?
Our sources do not report it, so we cannot say. Other ingredients in the capsule, such as ashwagandha and L-arginine, may add to diabetes and blood pressure medicines (NCCIH, Ashwagandha) (Mayo Clinic, L-arginine). Ask your pharmacist.
Where does 'could help slowing the process of cell degeneration' come from?
The sales page prints it with its tile texts but names no ingredient and no source for it. We cannot tie it to catuaba or damiana, and no trial we found shows either slowing cell aging in people (Quietum Plus sales page).
09Who wrote this
Written and reviewed by
Pages built from the bottle images, the sales page and linked NIH, NIDCD, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by Goquietumplus, a USA Authorized Quietum Plus Retailer, not by the manufacturer. We earn money when you buy through our order links.
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