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Peptides for sexual health

Melanocortin and hormonal-axis peptides studied for libido and sexual function. 6 compounds tracked in this category, ranked by community report volume — each with an evidence grade and links to the research.

COA-verified rankings 209 suppliers reviewed Rankings never sold — how we test
Libido · 0.25 mg

Melanotan 2 is a synthetic peptide acting on melanocortin receptors to drive tanning, increase libido, and possibly curb appetite, with quic…

Libido · Research Protocols

A reproductive neuropeptide that stimulates GnRH and downstream LH and FSH release, studied for fertility, hypogonadism, and hormone optimiz…

HCG A+
Libido · 250 IU

An LH-mimicking glycoprotein hormone that supports progesterone in pregnancy and is also used to keep the testes functioning during TRT, tre…

PT-141 A+
Libido · 1.75 mg

An FDA-approved, brain-acting peptide (bremelanotide/Vyleesi) that raises sexual desire via melanocortin receptors, with the strongest evide…

Libido · 0.25 mg

Gonadorelin is a pharmaceutical-grade synthetic decapeptide analogue of natural GnRH that stimulates the anterior pituitary to release LH an…

HMG A+
Libido · 75-150 IU

A purified FSH-plus-LH hormone preparation that stimulates the gonads to support testosterone production, sperm maturation, and follicle gro…

Where researchers buy

The same top-ranked, COA-checked suppliers apply across categories:

★ Top 3 picksOur highest-rated, most transparent labs — compared side by side
#1
Serum Research
Featured partnerAffiliated · disclosure
#2
BioChain USA
#3
Nootropics Depot
Score9.6/109.5/109.5/10
COA✓ Yes✓ Yes✓ Yes
CountryUSAUSAUSA
Why we rate itFull per-batch COAs on every product and competitive pricing, from our affiliated partner — labeled as such wherever it appears.Published per-batch COAs, third-party testing, and a risk-free guarantee from a US-only shipper.Operates at a global scale with a high degree of transparency, and earns praise for its customer support and logistics.
Check prices at Serum Research →Read review →Check prices at BioChain USA →Read review →Check prices at Nootropics Depot →Read review →

Educational information only — not medical advice and not an endorsement to use any compound. Evidence grades summarize published research; most compounds here are unapproved research chemicals sold for laboratory use and labelled "not for human consumption."