Which should you choose? Here's what you need to know.
HCG and Oxytocin are both sexual health peptides, but they work differently. Human Chorionic Gonadotropin, a hormone that mimics LH to stimulate testosterone production. Commonly used alongside TRT to maintain testicular function. 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 3 vendors selling HCG and 25 selling Oxytocin. Vendors do not agree on the unit they price HCG in, so a price per mg is not comparable for it. Oxytocin is cheapest in stock at $4.00 per mg at Eros Peptides.
Human Chorionic Gonadotropin, a hormone that mimics LH to stimulate testosterone production. Commonly used alongside TRT to maintain testicular function.
Known as the "bonding hormone," oxytocin is a neuropeptide involved in social bonding, trust, and reproductive functions. Studied for various therapeutic applications.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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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.