Product
UK Based · Every Product is Third-Party Tested · 99%+ Purity
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GLP-RT (Retatrutide) – Research Peptide | 99%+ Purity
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Look up your COA
Every product we sell has a Certificate of Analysis supplied by our manufacturer. Search by product name to find it.
- COA supplied by our manufacturer for every product
- Confirms purity and identity via HPLC testing
- Downloadable instantly, no need to email support
COA Lookup
Enter a product name to find its COA.
Build your stack
Pick your vials and add them all to cart at once.
TB-500 10mg – Research Peptide | 99%+ Purity
BPC-157 10mg – Research Peptide | 99%+ Purity
KPV 10mg – Research Peptide | 99%+ Purity
Your stack
Nothing selected yet — pick 3 vials to build a bundle.
How Payment Works
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Add to Cart
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Pay by Bank
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Swipe to see all steps
All payments are processed securely via Open Banking through Wallid. Orders are confirmed instantly upon bank transfer verification, with dispatch the same day (before 3pm) and delivery within 2–5 business days.
Research peptide bundles
UK Peptide Supply vs. typical suppliers
A lot of stores in this space look similar on the surface.
| UK Peptide Supply | Typical suppliers | |
|---|---|---|
| COA availability | ✓ Supplied for every product | Often "on request" only |
| Purity testing method | ✓ HPLC, manufacturer-verified | Rarely disclosed |
| COA lookup | ✓ Instant lookup tool | Usually email-only |
| UK dispatch | ✓ Same-day before 3pm | Varies, often 3–5 days |
| Support contact | ✓ Direct email & phone | Contact form only |
GLP-RT (Retatrutide) – Research Peptide | 99%+ Purity
GLP-RT (Retatrutide) is a triple-receptor agonist peptide supplied by UK Peptide Supply exclusively for laboratory research use. It is st...
Certificate of Analysis available View this product's lab-verified COA →Built for lab-grade reliability
Every stage from synthesis to dispatch is designed to remove uncertainty.
Verified purity
Every peptide is 99%+ purity, confirmed by a manufacturer-supplied Certificate of Analysis.
Cold-chain shipping
Lyophilised compounds are packed and dispatched to protect stability in transit.
Same-day dispatch
Orders placed before 3pm on a business day go out the same day from the UK.
Research use only
Strictly supplied for laboratory research — never marketed or sold for human use.
Frequently asked
Our peptides are supplied exclusively for in-vitro laboratory research. They are not medicines and are not intended for human or veterinary use.
Currently we ship within the United Kingdom only, using trusted UK carriers, including local parcel shop pickup points if you'd prefer not to wait in for delivery.
Orders placed before 3pm on a business day are dispatched the same day. Once dispatched, standard UK delivery takes an estimated 2–5 business days.
Store lyophilised (freeze-dried) vials at -20°C, protected from light and moisture. Once reconstituted, refrigerate and use within the recommended research window.
Yes — every product has a COA supplied by our manufacturer, confirming purity via HPLC testing. Use the COA lookup tool above, or contact us directly.
All sales are final due to the nature of research compounds, except where an item arrives damaged, defective, or incorrect. See our Refund Policy for the full breakdown.
Research Use Only Notice: All products sold by UK Peptide Supply are intended strictly for laboratory and in-vitro research purposes. They are not drugs, foods, or cosmetics, and are not intended for human or animal consumption, diagnosis, treatment, or prevention of disease. By purchasing, you confirm you are a qualified researcher and accept full responsibility for compliant use and storage.