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A prospective, randomized, double-blind clinical study to assess the impact of a dietary supplement called Turnera diffusa on healthy individuals who report having little sexual desire

Prospective, randomised, double-blind clinical trial to evaluate the effect of a dietary supplement (Turnera diffusa) in healthy subjects who report low sexual desire

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN12819093
Enrollment
110
Registered
2026-01-19
Start date
2022-11-20
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Low sexual desire Mental and Behavioural Disorders

Interventions

Participants were randomly assigned in a 1:1 ratio through a computer-generated sequence to either receive Turnera diffusa extract at a dose of 500 mg per day (one tablet each morning) or a matching p

Sponsors

Evidenze Heath España SLU (CRO)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. The participant must have voluntarily signed the Informed Consent Form (ICF). 2. Aged between 18 and 65 years old. 3. Participant reports low sexual desire. 4. Able to complete self-administered questionnaires (PROs). 5. Must have completed one of the following questionnaires: 5.1. FSFI for women 5.2. IIEF (Erectile Function subdomain EF-IIEF) for men 6. Sexually active, regardless of type or frequency of sexual activity. 7. Sexually active women must agree to use contraceptive methods (hormonal contraceptives [oral, injectable, or implanted], tubal ligation, intrauterine device, barrier methods with spermicide, or partner vasectomy in the case of male partners) while taking the dietary supplement during the study. 8. Must have a smartphone device compatible with the study app.

Exclusion criteria

Exclusion criteria: 1. Diagnosed with any sexual dysfunction. 2. Pregnant or breastfeeding women, or those who have given birth or had an abortion within the previous 3 months. 3. Women experiencing significant pain during sexual intercourse. 4. Individuals with unexplained genital bleeding. 5. Individuals with symptoms and/or signs compatible with genital infectious diseases. 6. Having any condition that could cause sexual dysfunction: 6.1. Poorly controlled type I or II diabetes 6.2. Hypertension requiring more than one antihypertensive or poorly controlled (diuretics in men frequently cause erectile dysfunction, impacting sexual desire) 6.3. Any type of heart disease (ischemic, heart failure, valvular, etc) 6.4. History of venous and/or arterial thromboembolic events 6.5. Other active cardiovascular conditions: stroke, intermittent claudication, etc. 7. Women with a history of cancer. 8. Currently receiving any treatment or medication that may produce symptoms related to sexual dysfunction: psychotropic drugs, antihypertensives, hypoglycemics, anticoagulants, or other medication deemed relevant by the investigator. 9. Currently receiving medication for the treatment of sexual dysfunction (PDE5 inhibitors, bupropion, etc). 10. Severe psychiatric disorder. 11. Any endocrinological, renal, hepatic, oncological, pulmonary, cardiovascular, psychological disease, substance addiction, or any other condition that, in the investigator’s judgment, could significantly interfere with sexual health. 12. Individuals with major relationship problems that interfere with sexual desire and/or sexual activity with their partner. 13. Individuals with known allergy or hypersensitivity to the dietary supplement used in the study. 14. Individuals with a criminal record or ongoing legal cases related to gender violence or sexual offenses.

Countries

Spain

Contacts

Public ContactSonia Sanchez
soniasanchez@fitback.es+34 (0)632 118 829

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 7, 2026