A clear standard, from the start
Every detail.
Properly considered.
From the label to the packaging, the details deserve attention.
Explore UK-supplied research peptides with clearly stated specifications and tamper-evident packaging.
For research use only · Not for human consumption

Proper Peptides · Est. 2026
- 01 / Clear specifications
- 02 / Careful packaging
- 03 / UK dispatch
The shelf
Everything we stock, in one place
Three products, fixed pack sizes, no free-form quantities. Pick a vial to price it up and check out without leaving this page.
Retatrutide 20mg
Full specificationTriple agonist · GLP-1 / GIP / glucagon
Choose your pack
Laboratory research use only — not for human consumption.
Optional add-on
Bacteriostatic Water 10ml
A separate diluent product for reconstitution — not part of the pack you chose above.
Free UK shipping over £120.00
£120.00
Cart total
Nothing selected yet
£0.00
Your cart is empty
£0.00
Plain language
What is Retatrutide?
Retatrutide is an investigational tri-agonist peptide studied in academic and pre-clinical contexts. We supply it as a lyophilised research compound for laboratory use — nothing more, nothing less. No dosing guidance. No guesswork. Just the material and clear specifications.
For research use only
The specification
Documented in detail.
Form
Powder
Lyophilised · sterile-filled
Appearance
White powder
Sterile-filled · lyophilized cake
Vial size
0mg
Lyophilized
Storage
Per label
See supplier documentation
Shipping
UK dispatch
Tamper-evident · tracked
Packaging
Tamper-evident
Sealed vial, labelled by lot
The process
How we handle it
Source
Sourced from our supplier as lyophilised research material.
Pack
Packed in tamper-evident packaging under standard lab handling practice.
Ship
Dispatched from the UK, tracked, typically within a few business days.
Documentation
What we can tell you.
Specifications for the material we supply are provided by our supplier. We label every vial by lot, pack it in tamper-evident packaging, and are straightforward about what we can and can't confirm ourselves.
What ships with your order
FAQ
Honest answers
What is included with each vial?+
A lyophilised vial and a lot card. Specifications are provided by our supplier.
How is it shipped?+
Packed in tamper-evident packaging and dispatched tracked from the UK.
How should it be stored?+
Store as directed on the accompanying documentation, in a cool, dry place away from light, until you're ready to use it in your research.
Do you provide dosing guidance?+
No. Our products are sold strictly for in-vitro laboratory research. We do not provide medical, dosing, or human/animal administration guidance of any kind.
What is your refund policy?+
See our Returns & Refunds page — statutory cancellation rights apply where relevant, alongside our own return terms for unopened items.
Do you ship internationally?+
We currently ship to Great Britain only. We cannot deliver to Northern Ireland, Jersey, Guernsey or the Isle of Man. See Shipping & Delivery for details.
Order Retatrutide, properly.
Dispatched from the UK, tracked, in tamper-evident packaging. For research use only.