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Goal

Peptides for sexual function

FDA approves PT-141 as Vyleesi for a defined low-desire disorder in women before menopause. Kisspeptin-10 has small hormone studies, not a proven treatment for sexual function.

Source for this answer

Source: Based on 2 compound guides · checked 2026-09-07

Source: Based on 2 compound guides · checked 2026-09-07

The product, health condition and patient group matter. Vyleesi’s label does not cover men, women after menopause or use to enhance sexual performance.

Kisspeptin-10 studies measured hormone responses in healthy volunteers. Those results do not by themselves show improved desire, erections or fertility.

At a glance

Compounds covered

2

FDA-approved for this goal

1

Being tested for this goal

0

Reported use only

0

Two compounds, and who the evidence is about

Check who was studied, what they received and which outcome was measured. A hormone rise does not show that sex drive improved.

◆ 2 compounds coveredsources shown in each row
Compounds people take for this purpose, why they use them, what human research has measured, and where the evidence comes from.
CompoundWhat people take it forWhat research showsEvidence
PT-141VyleesiSought for sexual desire or erections, as either the approved Vyleesi product or research powder.FDA-approved for thisFDA approves Vyleesi for a defined low-desire disorder in women before menopause. Its label does not cover men, women after menopause or better sexual performance. It gives 1.75 mg as needed, limits dosing to once in 24 hours, and advises against more than eight doses a month.FDA labelDose from the FDA-approved label
Kisspeptin-10Sold for libido, for fertility and for raising testosterone, on its position upstream of the sex hormones.Measured in a human studySmall studies tracked sex hormones in healthy people. Responses differed by sex and menstrual cycle phase. In women studied during the follicular phase, doses into a vein or under the skin did not raise LH or FSH. They tested hormone effects, not whether sex drive improved.limited human dataDose from a human trial · no FDA label

1 has an FDA-approved product for this purpose. 1 rests on a human study that measured something in this goal.

What the Vyleesi approval covers

FDA approves Vyleesi for acquired, generalized hypoactive sexual desire disorder in women before menopause. The label defines additional limits on the diagnosis and says it is not approved for men or women after menopause.

The label also says it is not intended to enhance sexual performance. These limits describe the approved use; they are not a claim about who buys research products.

The approved product is a prefilled 1.75 mg autoinjector. A powder sold for mixing is not that formulation. In the approval trials, 18% of Vyleesi participants stopped because of side effects, compared with 2% on placebo.

Kisspeptin results depend on the study population

Kisspeptin-10 responses varied with sex and menstrual cycle phase. In women studied during the follicular phase, neither dosing into a vein nor under the skin raised the measured reproductive hormones.

These results do not isolate route as the reason for the different response in men. These small hormone studies do not set a dose to improve desire, erections or fertility.

Where to go next

Open the PT-141 reconstitution calculator

Every purpose covered this way is listed on the index of goals people buy peptides for.

3primary sources, each with the day we read it — open the documents used on this page