Kisspeptin vs Oxytocin
Which should you choose? Here's what you need to know.
The short answer
Kisspeptin and Oxytocin 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. Known as the "bonding hormone," oxytocin is a neuropeptide involved in social bonding, trust, and reproductive functions. Studied for various therapeutic applications. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 45 vendors selling Kisspeptin, cheapest in stock $2.93 per mg at Modern Research, and 25 selling Oxytocin, cheapest $4.00 per mg at Eros Peptides.
Kisspeptin
Sexual HealthA neuropeptide that regulates the reproductive hormone cascade by stimulating GnRH release. Studied for fertility and hormonal health applications.
Oxytocin
Sexual HealthKnown as the "bonding hormone," oxytocin is a neuropeptide involved in social bonding, trust, and reproductive functions. Studied for various therapeutic applications.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Kisspeptin
Oxytocin
$24.99
Starting from
$22.00
$7.86
Avg. price per mg
$17.17
45
Vendors selling it
25
37 options
In stock now
21 options
9.1/10
Top trust score
7.6/10
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.