Buy Tirzepatide in the UK
Peptx supplies Tirzepatide (LY3298176, the research reference for Mounjaro), the GLP-1 and GIP dual incretin receptor agonist, to UK research laboratories and group-buy collectives. manufacturer-stated 99%+ purity, tracked UK delivery, GBP pricing settled at the live mid-market FX rate.
Tirzepatide research in the UK
Tirzepatide has become one of the most cited research peptides in the global metabolic literature since the SURPASS and SURMOUNT trial readouts. UK academic and private research groups studying dual incretin receptor pharmacology source the compound from specialist research-grade suppliers because MHRA-licensed pharmacy supply is reserved for prescription use.
Peptx provenance is traceable to vetted manufacturers (independent ISO 17025 lab testing) operating under cGMP-equivalent quality systems. Manufacturer HPLC and Mass Spectrometry data sits behind the material (documentation not shipped with orders), and independent ISO 17025 retesting is supported by our 14-day purity refund policy.
UK orders ship from a domestic fulfilment point so there are no customs forms, no import VAT and no border delays. Prices display in GBP, converted live from wholesale USD source pricing.
Tirzepatide dose options
All Tirzepatide is supplied as lyophilised powder in sealed glass vials. Minimum order quantity is 1 box (10 vials).
Tirzepatide 5mg
Entry research vial, suitable for most incretin receptor studies.
Lyophilised vialTirzepatide 10mg
Mid-range research dose widely used in comparative dual-agonist work.
Lyophilised vialTirzepatide 15mg
High-concentration dose for extended-duration studies and large-scale metabolic studies.
Lyophilised vialTirzepatide 30mg
Bulk research dose for institutional studies and group-buy programmes.
UK shipping, delivery and customs
Peptx ships Tirzepatide to UK addresses with full tracking, typically arriving within 3 to 5 working days of payment confirmation. There are no import duties, no customs forms and no VAT surprises on UK domestic deliveries.
Outer packaging is plain and unbranded with no external reference to the contents. Signature on delivery can be requested at checkout.
- Standard flat-rate shipping otherwise
- Tracked delivery via Royal Mail Tracked 48 or DPD
- No customs forms or import duties on UK domestic orders
- Plain unbranded outer packaging, signature on delivery available
Independent purity verification
Peptx stock is backed by manufacturer HPLC and Mass Spectrometry data plus independent spot checks, at typically 99%+ purity (HPLC); the guaranteed minimum varies by compound. Our suppliers are not chosen on a single rating. We weigh independent testing at accredited ISO 17025 labs.
Independent laboratories test our material on a rolling programme: random quality-control checks, tests on stock we buy in, and testing as part of vetting every new supplier. Certificates are published openly in the COA Library rather than issued per order, so you can read the laboratory's report before ordering, not after. Independent verification is expanding across the catalogue, with further tests in progress across September and October. If you want your specific batch independently checked, send a sample to an accredited ISO 17025 lab (see our Recommended Labs at /testing): a result you commission yourself carries more weight than one handed to you by a seller. Any independent lab result below the product's stated guaranteed minimum purity, or a sealed-vial endotoxin or sterility failure, is refunded or re-shipped within 14 days.
All compounds are supplied as sterile lyophilised powder in sealed vials, packed with desiccant, and stored at controlled temperature throughout the supply chain.
Why UK research groups use Peptx
Factory-direct sourcing
Peptx sources directly from manufacturers. No middlemen and no compounding-pharmacy markups; just the factory price plus a small fixed margin.
Manufacturer HPLC data
HPLC and Mass Spectrometry tested at the manufacturer (documentation not shipped with orders); certificates published in the COA Library where available. Typically 99%+ purity (HPLC); the guaranteed minimum varies by compound. Independent retesting is encouraged; a 14-day refund window applies to any independently verified result below the product's stated guaranteed minimum purity.
Discreet, tracked shipping
Plain unbranded packaging with no external product references. Full tracking from dispatch to delivery.
Bulk research MOQs
Minimum order quantity is one box (10 vials or 3 tubs depending on format). Designed for laboratories and group buys, not individual consumers.
Tirzepatide UK FAQ
Is Tirzepatide legal to buy in the UK for research?
Tirzepatide is not a controlled substance under the UK Misuse of Drugs Act 1971 and can legally be sold for in-vitro laboratory research. The MHRA licenses Mounjaro for human use under prescription only, which is a separate supply chain. All products supplied by Peptx are strictly for in-vitro laboratory research and are NOT for human or animal consumption.
How does Peptx Tirzepatide differ from Mounjaro?
Mounjaro is the MHRA-licensed prescription brand of Tirzepatide supplied as a pre-mixed injection pen for human use. Peptx supplies the same active compound (LY3298176) as lyophilised research powder for laboratory work, at a fraction of the brand price.
How long does UK delivery take?
Most UK orders are dispatched within 24 to 48 hours of payment confirmation and delivered in 3 to 5 working days using tracked Royal Mail or DPD services.
What purity is Peptx Tirzepatide?
All Peptx Tirzepatide is guaranteed at 99%+ purity by HPLC and Mass Spectrometry. A 14-day refund window applies if an independent ISO 17025 lab report shows purity below the advertised level.
What is the minimum order quantity?
Minimum order is 1 box of 10 vials per dose. We supply primarily to research laboratories and group buys rather than individual consumers.
Related research resources
Shipping to other regions
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Independently tested compounds, typically 99%+ purity (HPLC), factory-direct pricing. UK stock dispatches within 24 hours.
Sold strictly for laboratory research. Not for human consumption.