Clinical Trial to Investigate the Effectiveness of a Dietary Supplement in Increasing Libido and Sexual Function in Postmenopausal Women.

Multicentre, Randomised, Double-blind, Placebo-controlled, Parallel-group Clinical Trial to Investigate the Effectiveness of a Dietary Supplement in Increasing Libido and Sexual Function in Postmenopausal Women.

This clinical Trial will assess the effects of a dietary supplement based on Tribulus terrestris on the libido and sexual function in postmenopausal women, by doing a follow up of the FSFI scale and different variables during 3 months period. Participants will be allocated to dietary supplement or placebo, and will attend to 3 visits (baseline, 6 weeks, 12 weeks and at 24 weeks optional).

Inclusion Criteria:

• Women who report decreased libido and present female sexual arousal disorder according to Diagnostic and Statistical Manual of Mental Disorders (DSM-V) criteria
• Post-menopause.
• Age between 45 and 65 years.
• Sexually active.
• Agreement to participate and to sign the informed consent documents.

Exclusion Criteria:

• Pregnancy.
• Women who are on hormone replacement therapy or who need to start it.
• Cancer treatment or a recent history of cancer (<2 years).
• Any of the following treatments: serotonin inhibitors, GABAergics, tricyclics, antipsychotics, beta-blockers, thiazide diuretics, dopaminergics and anxiolytics for chronic problems (patients on treatment with anxiolytics without chronic problems are eligible)
• Fibromyalgia.
• Treatment for, or a history of, oestrogen-dependent cancer (breast, uterus, endometrium, etc.).
• Any comorbidity that may interfere with the pathology under study.