British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●British research laboratory supplier • Same-day UK dispatch before 14:00 • Independently purity tested • Tracked next-day delivery • For research use only●
PEPTIGEN
LABS
British Research Peptide Supply

Precision Peptide
Science.

Premium research-use-only peptides held in UK stock, independently purity tested and dispatched the same working day for tracked next-day UK delivery. Trusted by researchers, laboratories and qualified scientific buyers across Britain.

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4.9 / 5 from 140+ verified UK customers
UK Based
Next-Day Delivery
Purity Tested
Batch Documented
Research Use Only
GHK-Cu 100 mg — Peptigen Labs
● In StockSale
GHK-Cu
100 mg
£90£39.99
Retatrutide 10 mg — Peptigen Labs
★ Best Seller
● In StockSale
Retatrutide
10 mg
£100£64.99
Glow 70 mg — Peptigen Labs
● In StockSale
Glow
70 mg
£90£59.99
Purity
≥99%
Dispatch
Same-day
Delivery
Next-day
Genuine Peptigen Labs · Sold direct at peptigenlabs.co.uk only
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Retatrutide 20 mg

Launch offer on our new higher-strength Retatrutide vial. Price auto-reverts to £139.00 the moment the timer below hits zero.

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£99.99
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● UK Stock● Same-Day Dispatch● 99%+ Purity● Limited Quantity
Retatrutide 20 mg — Peptigen Labs
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New in the UK catalogue

Fresh additions to the Peptigen Labs research lineup — independently purity tested, dispatched from UK stock.

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// Why researchers choose us

Trusted by British researchers

Six operational standards we hold ourselves to on every order. No fabricated testimonials, no inflated star-counts — just the documentation, dispatch and compliance facts that matter.

Independently purity-tested

Every batch is tested by an independent third-party testing laboratory. The Certificate of Analysis records UPLC/MS purity against the unique batch number printed on the vial. COAs are available on request.

View sample COA on any product page

UK stock, UK dispatch

All vials held in our United Kingdom facility. No international forwarding, no customs hold-ups, no surprise import VAT.

Held in the UK, shipped from the UK

Same-day Royal Mail

Orders placed before 14:00 GMT on a working day are dispatched the same day via Royal Mail Tracked 24 with full tracking emailed on dispatch.

14:00 dispatch cutoff documented

Batch documentation

Every vial carries a unique batch number cross-referenced to its supplier COA, purity result and test date. Full chain of documentation kept on file.

Batch number printed on every vial

Sealed, padded packaging

Plain padded mailers with no externally visible product or molecule references. Tamper-evident seal on every parcel.

Generic outer packaging by default

UK Limited Company

Peptigen Labs Ltd is a registered United Kingdom limited company supplying laboratory materials strictly for in vitro research use.

Companies House registered entity
// Research Catalogue

Additional Research Peptides

Listed for reference. Availability may vary by batch.

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UK-Based, UK-Focused

British research peptide supplier. UK-based stock, UK customer support, built for UK researchers and laboratories.

Same-Day UK Dispatch

Eligible orders placed before 14:00 are dispatched the same working day with tracked next-day delivery.

Purity Tested · Batch Documented

Every batch is independently purity tested. Certificate of Analysis available with each order.

Mandatory Compliance Notice

All products are supplied strictly for laboratory research use only. Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease.