NewNo. 013
Retatrutide
GLP-1 / GIP / glucagon triple receptor agonist
- Size
- 4 sizes
- HPLC
- 99.2%
- Lot
- 07022601
£139.99£3.50/mg
Options Home/Buy peptides UK
Buy peptides in the UK: lab-tested research peptides from UK stock
Where to buy research peptides in the UK, what to check before you order, and what ALTA PEPTIDES holds in stock today.
20Research peptides in UK stock
Per lotCertificate published, lot on the vial
1pmSame-day dispatch cut-off
20%Off the peptides in a 4+ stack
NewNo. 013
Best sellerNo. 001
No. 002
No. 005
No. 007
MOTS-c
Mitochondrial open reading frame of the 12S rRNA-c
- Size
- 40 mg
- HPLC
- 99.83%
- Lot
- 10377
£74.99£1.87/mg
No. 011
No. 015
NewNo. 004
Buying peptides in the UK: the short version
ALTA PEPTIDES is a UK company that holds 20 research peptides in UK stock, publishes the certificate of analysis for every lot it sells, and ships the same day on orders placed before 1pm Monday to Friday by Royal Mail Tracked 48, free over £75. Everything is a lyophilised laboratory reagent, sold for in-vitro research only. You can browse by research area: weight & metabolic, recovery & repair, copper & skin, brain & focus, growth hormone, longevity & cellular, libido & tanning, sleep, myostatin antibodies.
What to check before you buy peptides anywhere
Four things separate a supplier worth using from one that is not. First, a certificate for the exact lot you will receive, with the lot number on the vial matching the certificate, ideally confirmed by an independent laboratory as well as the manufacturer. Second, stock that is physically in the UK, so the order ships the same day and nothing sits in customs. Third, a registered company you can look up at Companies House. Fourth, research-use terms that the seller actually enforces, with no dosing advice or human-use claims. Our UK buying checklist turns those into ten checks you can score any supplier against. For what research peptides are and how UK supply works, see research peptides UK.
Compare price per milligram, not per vial
Vial sizes vary, so the only fair comparison is price per milligram of tested material. Every product card on this site shows it. A cheaper vial with no lot certificate is not cheaper. For retatrutide specifically, our price comparison lists other UK vendors, size by size.
Stack discounts
Ordering two or more different peptides together takes money off the peptide lines automatically at checkout: 10% off 2 compounds, 15% off 3, 20% off 4+. You can pick your own combination or start from a preset in the stack builder.
Reconstitution supplies
Lyophilised peptides are made up in the laboratory with bacteriostatic water and measured with insulin syringes. Our free peptide calculator handles the concentration arithmetic, and the reconstitution guide covers technique.
Is it legal to buy peptides in the UK?
Most research peptides are not controlled drugs, so buying and holding them for laboratory research is lawful. They are not licensed medicines, and supplying them for human use is not. Our explainer are peptides legal in the UK? sets out the position, and our research use policy explains how we apply it.
Questions
From a UK supplier that holds stock in the UK and publishes a certificate for each lot. ALTA PEPTIDES holds 20 research peptides in UK stock with every lot certificate published.
Orders placed before 1pm Monday to Friday ship the same day by Royal Mail Tracked 48, free over £75.
Every lot has a published certificate of analysis matched to the lot number on the vial, and we add our own independent third-party tests lot by lot.
Yes, for £14.95, free over £150, usually 3 to 7 working days.
Most are, as laboratory research reagents. They are not licensed medicines and are not for human consumption.