High-Purity
Retatrutide
Research Peptides
— Delivered UK-Wide
RETApro supplies high-purity Retatrutide for laboratory and research use. A next-generation GLP-1/GIP/Glucagon receptor triple agonist peptide, supplied for in-vitro and research applications only — not for human or animal consumption.
About RETApro
The Science Behind
the Compound
Built on the latest clinical GLP-1 research, Retatrutide represents a new generation of peptide chemistry — supplied direct for laboratory and research use.
What is Retatrutide?
Retatrutide is a GLP-1/GIP/Glucagon triple receptor agonist — an advanced peptide class studied for its effects on metabolic pathways including appetite signalling, lipid metabolism, and insulin sensitivity. Supplied strictly for laboratory and research use.
Read the full research guide →Storage & Handling
Every kit arrives research-ready: the Retatrutide is supplied pre-mixed with bacteriostatic water in a multi-use dispensing pen, so no reconstitution is required. Refrigerate on arrival and handle according to standard laboratory protocols — full guidance is included with every order. Not intended for human or animal use.
Why RETApro?
Every batch is produced to research-grade purity standards and shipped via temperature-controlled cold-chain logistics. Orders are dispatched in discreet, unmarked packaging with Royal Mail Special Delivery, ensuring your product arrives cold and intact — typically next working day.
Shop
Choose Your Retatrutide Kit
Every kit is supplied pre-mixed with bacteriostatic water in a multi-use pen — research-grade, cold-chain shipped, and dispatched within 24 hours. Not sure which strength suits your budget? See the full cost-per-mg breakdown.
Standard Concentration
Retatrutide 30mg Standard Kit
Our standard research kit — 30mg of Retatrutide pre-mixed with bacteriostatic water in a multi-use pen. The concentration most research protocols are built around.
Higher Concentration
Retatrutide 60mg Professional Kit
Double-concentrate professional kit — 60mg of Retatrutide pre-mixed with bacteriostatic water in a multi-use pen, for research requiring larger quantities of compound per study.
Twin Box Bundle
Retatrutide 30mg × 2
Twin-box bundle of two 30mg standard kits — two pre-mixed multi-use pens. Ideal for extended research runs or multi-replicate studies.
Twin Box Bundle
Retatrutide 60mg × 2
Twin-box bundle of two double-concentrate 60mg professional kits — two pre-mixed multi-use pens for high-throughput research programmes.
Quality & Testing
Third-Party Lab Tested
Every batch we supply is independently tested by a UK laboratory. Our current Certificate of Analysis is published in full below.
Independent Testing
Analysed by an independent UK laboratory partner (PeptideVerify) using an established HPLC method — identity and purity, not a claim from us.
Published Certificate
Our current batch reports 98.0% HPLC purity. Download the full Certificate of Analysis below, or request the COA for your specific order.
Independently Verifiable
Each certificate carries a unique ID and SHA-256 integrity hash you can confirm against the lab's own record — not a document we can edit.
98.0%
HPLC purity
Certificate of Analysis · Retatrutide
- Laboratory
- PeptideVerify
- Method
- HPLC–UV (215 nm)
- Certificate ID
- PV-8B67BB-HAJY
- Issued
- 6 July 2026
Need the COA for a specific order or batch? Email support@retapro.net with your order reference.
Orders placed Monday–Friday ship within 24 hours via Royal Mail Special Delivery in temperature-controlled chilled packaging.
Cold Chain
Temperature-controlled packaging
Discreet Packaging
Unmarked, plain outer box
Special Delivery
Royal Mail Special Delivery
24hr Dispatch
Mon–Fri cut-off 2pm
FAQ
Frequently Asked Questions
Retatrutide is available for purchase in the UK strictly for laboratory and research use. It is not licensed or approved as a medicine for human use in the UK or elsewhere. By purchasing, you confirm you are acquiring this product solely for research purposes and are aware of applicable regulations in your jurisdiction.
Every order is shipped in a discreet, unmarked outer box with no reference to RETApro or the product contents. Inside, your vial is packed in purpose-built cold packaging with gel ice packs to maintain the correct temperature (2–8°C) throughout transit.
Orders placed Monday–Friday before 2pm are dispatched the same day via Royal Mail Special Delivery Guaranteed, targeting next working day delivery by 1pm. Orders placed after 2pm or on weekends are dispatched the next working day.
No — Retatrutide is sold strictly as a research compound, not as a medicine, so no prescription is involved. It is not approved or licensed for human use, diagnosis, treatment, or prevention of any condition.
Store at 2–8°C, away from direct light, and do not freeze. Once opened, the vial should remain refrigerated and used within the period indicated in the accompanying handling guidance.
We accept card payments (processed securely by Stripe) and cryptocurrency, including Bitcoin, Ethereum, USDT, and Monero. Choose your preferred method at checkout.
Yes. Our current batch is independently tested by PeptideVerify, a UK laboratory partner, at 98.0% HPLC purity — you can download the full Certificate of Analysis from the Lab Testing section of the site, and verify it against the lab’s own record using its unique certificate ID. For a COA covering your specific order, email support@retapro.net with your order reference.
Due to the temperature-sensitive and perishable nature of our products, we are unable to accept returns once an order has been dispatched. If your order arrives damaged or at an incorrect temperature, please contact us within 24 hours with photographic evidence and we will arrange a replacement.
You can reach our customer support team by email at support@retapro.net or via WhatsApp on +44 7414 909121. We aim to respond within 24 hours Monday–Friday. For urgent matters relating to deliveries in transit, please include your order reference number.