Description
UK brand Kensington Labs sells Oxytocin 10mg as a single vial containing 10 mg. It is listed here at £29.90, which works out at £2.99 per mg.
About the compound
Oxytocin is classed as a cyclic nonapeptide hormone. Reference data: CAS number 50-56-6; molecular formula C43H66N12O12S2; 1,007.2 g/mol. You may also see it sold as Ocytocin, Pitocin, Syntocinon. A naturally occurring human peptide hormone synthesized as prepro-oxytocin and processed to a disulfide-linked nonapeptide.
Lab reports
Kensington Labs has not linked a lab report to this listing so far. Kensington Labs names Janoshik (one certificate, May 2026, from an earlier check) as its testing lab. Ask the brand for the certificate for your batch. See the Kensington Labs store page for what the brand says about testing, and the lab reports page for reports that are linked.
UK delivery
Kensington Labs is based in London and dispatches from inside the UK, so the parcel never crosses a border: no import duty, no customs hold and no courier handling fee on arrival. The brand describes UK delivery as tracked and discreet. Prices are in GBP exactly as the brand charges them.
Buy Oxytocin in the UK
You can buy this Oxytocin listing online from Kensington Labs through the marketplace and have it delivered to any UK address. See how this compares on the Oxytocin UK price comparison: 11 listings from 7 UK brands, cheapest per mg first. Checkout is in crypto. The payment stays in escrow while the parcel is in transit and goes to the brand only after you confirm it arrived.
For laboratory research use only. Not for human consumption.

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