Buy Tirzepatide UK — Lab-Tested Tirz Vials, Shipped Same Day
Tirzepatide is the current gold-standard dual GLP-1 / GIP agonist. Peptides UK 4U supplies HPLC-verified Tirzepatide in 20mg, 40mg and 60mg vials from UK stock, with same-day dispatch and Royal Mail Tracked 24 delivery.
For in vitro research use only — not for human or animal consumption. Not a licensed medicine in the UK.
Why buy from Peptides UK 4U
- Held in stock in the UK — same working day dispatch (orders before 2pm, Mon–Fri).
- Royal Mail Tracked 24 with photo confirmation on every parcel.
- Discreet plain packaging — no visible branding or product names outside.
- Independent HPLC & mass-spec purity testing — batch-matched Certificate of Analysis on request.
- UK bank card checkout — no crypto required, no overseas transfers.
- Free 4 needles + 4 alcohol swabs available with every vial — opt in at checkout.
Vial sizes we stock
20mg for shorter protocols, 40mg for ongoing research, 60mg for the best £/mg on extended studies. All three are the same peptide and purity grade — only the mg per vial differs.
Reconstitution
Reconstitute Tirzepatide with a maximum of 3 mL bacteriostatic water down the side wall of the vial — do not shake. Store at 2–8°C once mixed and use within 28 days. Use our free reconstitution calculator for exact volumes per protocol.
Tirzepatide vs Semaglutide vs Retatrutide
Tirzepatide is a dual agonist (GLP-1 + GIP) — one receptor more than Semaglutide, one receptor fewer than Retatrutide. It remains the most-researched of the three in published clinical trials.
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View full shopFrequently asked questions
Is Tirzepatide legal to buy in the UK for research?
Yes. Tirzepatide is legal to purchase and possess for laboratory research use in the UK. It is strictly for in vitro research — not for human or animal consumption.
How is Tirzepatide shipped?
Same working day (orders before 2pm Mon–Fri) via Royal Mail Tracked 24, in discreet unbranded packaging with tracking and photo confirmation.
Do vials come with a Certificate of Analysis?
Yes — every batch is independently HPLC tested and the Certificate of Analysis can be viewed on the COA page or requested per batch.
Disclaimer: All products sold by Peptides UK 4U are for laboratory and research purposes only. They are not intended for human or animal consumption, diagnosis, treatment or prevention of any disease.