Kisspeptin vs PT-141
Which should you choose? Here's what you need to know.
The short answer
Kisspeptin and PT-141 are both sexual health peptides, but they work differently. A neuropeptide that regulates the reproductive hormone cascade by stimulating GnRH release. Studied for fertility and hormonal health applications. A melanocortin receptor agonist FDA-approved as Vyleesi for hypoactive sexual desire disorder. Works through the nervous system rather than the vascular system. Compare vendor pricing and availability below.
Kisspeptin
Sexual HealthA neuropeptide that regulates the reproductive hormone cascade by stimulating GnRH release. Studied for fertility and hormonal health applications.
PT-141
Sexual HealthA melanocortin receptor agonist FDA-approved as Vyleesi for hypoactive sexual desire disorder. Works through the nervous system rather than the vascular system.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options.
Kisspeptin
PT-141
$24.99
Starting from
$22.00
$7.85
Avg. price per mg
$21.44
49
Vendors selling it
61
42 options
In stock now
67 options
9.1/10
Top trust score
9.1/10
0
Purity tests on file
0
Ready to buy?
Our top-rated vendor for each, based on trust scores, purity testing, and price.
Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.
Best Kisspeptin Vendor
6.9/10
$39.99(10mg)
Best PT-141 Vendor
7.9/10
$24.99(10mg)
Where does this data come from?
We check vendor prices every day and pull in real purity test results from independent labs — not vendor claims. No vendor can pay to rank higher. See our full methodology.