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Tirzepatide for Libido: What the Evidence Shows

What human and animal studies show about Tirzepatide for libido, how strong that evidence is, and what is still unproven.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureGLP-1 / GIP dual agonistUpdated
Strongest evidence
Human RCT
Human studies
1
with an outcome for libido, in our evidence file (PubMed search, 2 Oct 2026)
Animal studies
None found
with an outcome for libido, in our evidence file (PubMed search, 2 Oct 2026)
Studies we summarised
1
with an outcome for libido

Evidence for libido

Each row is an outcome related to libido from a published study, strongest design first. Animal and cell results are labelled and are not human results. User reports are not counted as evidence here.

Tirzepatide for libido: outcomes in published studies
OutcomeResultStudy typeSource
Gonadal hormones and sexual functionAfter 2 months, the tirzepatide group had greater reductions in body weight, waist circumference, binge-eating score and fat mass and a notable increase in lean mass and erectile-function score than the other groups (small pilot).Human controlled trialn = 83Reproductive biology and endocrinology 2025, PMID 40604795

Tirzepatide and libido are not in our PubMed count ledger yet; the rows above come from our evidence file (PubMed search, 2 Oct 2026). Grades follow our evidence scale.

How strong is it?

Strongest evidence:Human RCT evidence, 4 of 4Reproductive biology and endocrinology 2025, PMID 40604795

A human randomized trial outweighs any number of animal studies. Animal and cell results show a mechanism worth testing, not that it works in people.

Other peptides people research for libido

PT-141

Common questions

Does Tirzepatide help with libido?

The strongest study we summarise for libido is human rct evidence, across 1 study with an outcome for libido. A trial result is not an approval; see the legal status.

Is Tirzepatide approved for libido?

Tirzepatide is FDA approved (Mounjaro, Zepbound). Which conditions that approval covers is set by the label; use for anything else is off-label.

More on Tirzepatide

DosageDoses used in published studies, with the source for each.CalculatorVial, water and dose to syringe units.Side effectsWhat labels and studies report, and what is unknown.ResultsStudy outcomes and when they were measured.PricePrice per mg and per week from dated listings. No vendor links.Legal statusFDA, compounding and WADA status with dates.

Sources

  1. 1Short-term impact of tirzepatide on metabolic hypogonadism and body composition in patients with obesity: a controlled pilot study.Reproductive biology and endocrinology : RB&E · 2025PMID 40604795Accessed 2 Oct 2026

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