4 Peptides

Best Peptides for Libido & Sexual Health

Peptides researched for sexual desire, arousal, erectile function, and reproductive health.

4Total Options

2FDA Approved

Understanding Libido & Sexual Health Peptides

Sexual health peptides target the brain and hormonal pathways involved in desire and arousal. PT-141 (Bremelanotide) is FDA-approved for hypoactive sexual desire disorder in women and works by activating melanocortin receptors in the brain. Melanotan II has similar effects plus tanning properties but is not FDA approved. Kisspeptin plays a crucial role in reproductive hormone regulation and has shown effects on sexual arousal in clinical studies. These peptides offer a different approach than PDE5 inhibitors (Viagra) by addressing desire rather than just mechanics.

Key Considerations

PT-141 is the only FDA-approved peptide specifically for sexual desire
Melanotan II has sexual side effects but is not approved for this use
These peptides work on desire/arousal — different from erection medications
Nausea is a common side effect of melanocortin receptor agonists
Underlying hormonal issues should be addressed first

FDA Approved Options (2)

PT-141

FDA Approved

Also: Bremelanotide, Vyleesi

An FDA-approved melanocortin receptor agonist for treating hypoactive sexual desire disorder (HSDD) in premenopausal women. Derived from Melanotan II research.

Typical Dosing

1.75 mg as needed

Sexual HealthView Details

Melanotan I

FDA Approved

Also: Afamelanotide, Scenesse, MT-1

A 13-amino acid synthetic analog of α-MSH that stimulates melanin production. FDA-approved (as Scenesse) for treating phototoxicity in patients with erythropoietic protoporphyria (EPP). More selective than Melanotan II with fewer side effects.

Typical Dosing

500-1000 mcg daily (loading), then 500-1000 mcg 1-2x weekly (maintenance)

Skin & HairView Details

Research Peptides (2)

These peptides are being researched but are not FDA approved. They should only be considered for research purposes or under medical supervision.

Melanotan II

Research

A synthetic analog of alpha-melanocyte stimulating hormone (α-MSH). Known for inducing skin tanning and having effects on libido and sexual function.

Sexual HealthLearn more

Kisspeptin

Clinical Trials

A neuropeptide that plays a critical role in initiating puberty and regulating the reproductive hormone axis. Being studied for fertility and hormonal disorders.

HormonalLearn more

Frequently Asked Questions

What is the best peptide for libido?

PT-141 (Bremelanotide/Vyleesi) is the only FDA-approved peptide for sexual desire, specifically for hypoactive sexual desire disorder in women. It activates melanocortin receptors in the brain to increase desire. Melanotan II has similar but unapproved effects.

How does PT-141 work?

PT-141 activates melanocortin-4 receptors (MC4R) in the brain, which are involved in sexual arousal and desire pathways. Unlike Viagra which works on blood flow, PT-141 works on the central nervous system to increase psychological desire.

Can men use PT-141?

Yes, while FDA-approved only for women, PT-141 has shown effects on male sexual function in clinical trials including improvements in erectile function. It's sometimes used off-label for men who don't respond well to PDE5 inhibitors.