Order before 2pm for same-day dispatch

Peptide Pens UK

Looking for Retatrutide pen, Tirzepatide pen, GHK-Cu pen or another? They are in stock in the UK and go out the same day if you order before 2pm.

Which compounds come as a pen

Every compound below is stocked in pen form, ready to dispatch. Order before 2pm on a weekday and it leaves the same day, tracked, in plain packaging.

Why the pen format

A pen arrives pre-filled with the compound and quantity printed on it. There is no reconstitution step, nothing to draw up and nothing to measure, which is why pens are the format people ask for by name — and why the pen search terms are usually more specific than the vial ones.

All of it is supplied at ≥99% purity, held in the UK so there is no import wait and no charge on arrival, and settled by bank transfer. If you would rather have the same compound as a vial, every product page lists the other formats it comes in.

How the pen compares to a vial

A vial is lyophilised powder that has to be reconstituted before anything can be drawn from it, which means a separate purchase of bacteriostatic water and an arithmetic step. A pen removes both. The compound inside is the same material at the same purity — what changes is the presentation and the work involved in getting to it.

Which format a compound is offered in is a matter of what is practical to supply rather than any statement about the compound itself. Some are stocked in several, some in one. The pen pages list what is actually available now; the full range shows every compound alongside the formats it comes in, and the peptide calculator covers the reconstitution arithmetic if you go the vial route instead.

Frequently asked questions

What is a peptide pen?

A pre-filled pen supplied ready to use, with the compound and quantity printed on the label.

Where can I buy peptide pens in the UK?

You can buy peptide pens directly from Peptiq. We are a UK supplier, we ship tracked within the UK, and orders are settled by bank transfer — the details reach you as soon as your order is placed.

How is it delivered?

Same-day dispatch before 2pm.