UK peptide supply
A UK peptide supplier holding its own stock
Peptide Global supplies research peptides in the UK to laboratories, contract research organisations and independent researchers. Thirteen compounds, each in one format: a pre-mixed dial-dosing cartridge, filled at a concentration fixed at manufacture.
There is no powder to reconstitute and no bacteriostatic water to source, which removes the step where most variance between preparations comes from. Stock is held in our own facility rather than forwarded from overseas, orders placed before 2pm on a working day are dispatched the same day, and UK delivery is tracked in 24 to 48 hours. Everything is supplied strictly as an in-vitro research compound, to laboratories and research professionals only.
Research-grade compounds prepared and stored under controlled, temperature-monitored conditions from intake to dispatch.
Pre-mixed pens held in cold storage and shipped with thermal packaging to protect stability in transit.
Pay by instant open banking or direct bank transfer, authorised through your own bank, with no card details shared.
Questions on storage, handling or delivery answered by our technical team within one working day.
Most ordered
Best sellers this month
Full catalogue
Every pen we supply
The catalogue by class
What separates the thirteen compounds
Grouped by receptor pharmacology rather than by application. Each compound links to its product page for the format and specification, and to a reference guide for the chemistry.
Incretin and amylin agonists
Peptides acting at the GLP-1, GIP, glucagon and amylin receptors. Studied in metabolic signalling work.
- Retatrutide — Triple agonist — GLP-1, GIP and glucagon. Reference guide
- Tirzepatide — Dual agonist — GLP-1 and GIP. Reference guide
- Cagrilintide — Amylin analogue, also active at calcitonin receptors. Reference guide
Growth-hormone axis
Compounds acting upstream of, or directly at, pituitary growth-hormone release.
- Tesamorelin — Full 44-residue GHRH analogue. Reference guide
- Ipamorelin — Selective growth-hormone secretagogue. Reference guide
Neuropeptides
Short regulatory peptides studied in central-nervous-system signalling.
- Semax — ACTH(4–10) fragment with a Pro-Gly-Pro extension. Reference guide
- Selank — Tuftsin analogue with a Pro-Gly-Pro extension. Reference guide
Single compounds, other classes
Three compounds that sit outside the groups above.
- GHK-Cu — Copper-binding tripeptide, CAS 89030-95-5. Reference guide
- MOTS-c — Mitochondrial-derived peptide. Reference guide
- Melanotan II — Non-selective melanocortin receptor agonist. Reference guide
Multi-compound blends
Fixed-ratio preparations, combined at manufacture so the proportions cannot vary between units of a fill.
- Glow — GHK-Cu with BPC-157 and TB-500. Reference guide
- KLOW — GHK-Cu with BPC-157, TB-500 and KPV. Reference guide
- BPC-157 with TB-500 — Two compounds at 20 mg each. Reference guide
Comparisons and reference material
Where two compounds are routinely considered together, the comparison is written up rather than left implicit.
- Retatrutide compared with tirzepatide
- Tirzepatide compared with cagrilintide
- BPC-157 compared with TB-500
- Semax compared with Selank
- Blends compared with single compounds
- Pre-mixed pens compared with lyophilised vials
- How the pre-mixed pen works
- Bacteriostatic water and peptide stability
- Buying research peptides in the UK
- Research use only, explained
Comparing listings
How to read a peptide listing before you buy
Peptides are usually advertised by total content alone, which is not enough to compare two products. The figure that matters is concentration.
A listing that says 20 mg tells you what is in the container, not how strong it is. Twenty milligrams in a 3 ml cartridge is 6.67 mg/ml; the same 20 mg in a 2 ml vial is 10 mg/ml. Both are honestly labelled and they are not the same product. Total content divided by volume gives the concentration, and that is the number worth comparing across suppliers.
It also determines cost. Price per milligram is a fairer comparison than headline price: a larger cartridge at a higher price is frequently cheaper per milligram than a small vial. Every product page here states total content, cartridge volume, the resulting concentration and how the dial is graduated, so the comparison can be made without inference.
The second thing to check is whether the concentration is fixed at manufacture or created by the buyer. A lyophilised vial has no concentration until it is reconstituted, so it depends on how much diluent is added and how carefully — which is why two researchers working from identical vials can end up with different material. A pre-mixed cartridge has one concentration from the moment it is filled.
Why Peptide Global
Handled properly, from our facility to your bench
Premium research compounds deserve careful logistics. Every order is stored under temperature-monitored conditions, cold-packed with a tamper-evident seal, and dispatched the same working day.
- Temperature-controlled storage from intake to dispatch
- Thermal, tamper-evident packaging
- Same-day dispatch on orders placed before 2pm GMT
- Specialist support within one working day
From order to bench
How ordering works
Order before 2pm GMT
Browse the catalogue, and pay securely by instant open banking or direct bank transfer, no card details needed.
Cold-packed & dispatched same day
Pens leave our cold storage in thermal packaging with a tamper seal.
Tracked delivery in 24–48 h
UK next-day as standard; tracked EU and international options at checkout. Tracking is emailed the moment it ships.
Buying peptides in the UK
Buy peptides in the UK, supplied as pre-mixed pens
Peptide Global is a UK peptide supplier holding stock in its own facility. Every compound is supplied pre-mixed in a dial-dosing cartridge rather than as powder in a vial, and dispatched the same working day on orders placed before 2pm.
Researchers looking to buy peptides in the UK generally face one of two formats. The first is a lyophilised vial, which arrives as powder and has to be reconstituted with bacteriostatic water before anything can be measured from it — a step that introduces variance between preparations and depends entirely on how carefully it is carried out. The second is a pre-mixed cartridge, filled at a concentration fixed at manufacture. Everything we supply is the second kind.
That choice is the reason the catalogue is small. Thirteen compounds are stocked, each in one format, so the concentration and dial graduation are known and stated on the page rather than left to the buyer to calculate. All material is supplied strictly for in-vitro laboratory research, and supply is to laboratories and research professionals only.
Research peptides for sale: what the format means in practice
The research peptides for sale on this site are held in 3 ml stabilised cartridges. Each pen has a dial that advances a known volume per click, so a given click count dispenses the same amount every time it is used. Because the concentration cannot drift, repeat measurements from the same cartridge stay comparable in a way that hand-reconstituted material does not.
Peptides for sale in the UK are frequently listed by strength alone, which says little on its own — 20 mg in a 3 ml cartridge and 20 mg in a 2 ml vial are different concentrations. Each of our product pages states the total content, the cartridge volume, the resulting concentration and how the dial is graduated, so the arithmetic is on the page rather than left implicit.
Where to buy peptides in the UK
Buy peptides online in the UK directly from this site. We hold UK stock, dispatch from our own facility the same working day before the 2pm cut-off, and deliver tracked in 24 to 48 hours. Payment is by open banking or direct bank transfer, authorised through your own bank, with no card details shared. Orders are accepted from laboratories and research professionals, and we do not supply to individuals.
We are a research peptides UK supplier holding our own stock, which means we can say what is on the shelf rather than what could be ordered in. Every one of the peptides for sale UK-wide from this page ships from that stock. A supplier that forwards orders overseas cannot make the same statement — nothing listed here is a pre-order, and nothing is repackaged by a third-party re-shipper.
Buying peptides in the UK: common questions
Where can I buy peptides in the UK?
Peptide Global supplies research peptides in the UK directly from this site. Stock is held in our own facility rather than drop-shipped, and orders placed before 2pm on a working day are dispatched the same day on tracked delivery. Supply is to laboratories and research professionals only.
What is the best place to buy peptides in the UK?
That depends on what you need from a supplier. The things worth checking are whether the compound is named plainly rather than hidden behind a code, whether the stated concentration is fixed at manufacture, whether the seller holds stock in the UK or forwards orders from overseas, and whether the research-use restriction is stated openly. We name every compound, publish the concentration and dial graduation for each pen, and dispatch from our own UK facility.
Are peptides legal to buy in the UK?
Research peptides may be bought and held in the UK for laboratory research. They are not licensed medicines and cannot lawfully be supplied for human or veterinary use, which is why everything here is supplied strictly as an in-vitro research compound. Purchasers are responsible for handling and storage under the regulations that apply to their own facility.
What are research peptides?
Peptides are short chains of amino acids joined by peptide bonds, the same building blocks that make up proteins. A research peptide is synthesised to a defined sequence for use in controlled laboratory work. Every compound supplied by Peptide Global is intended for in-vitro research only, not for human or veterinary consumption.
Are the peptides for sale here powder or pre-mixed?
Pre-mixed. Every peptide for sale on this site is supplied in solution in a 3 ml stabilised cartridge, so there is no lyophilised powder to reconstitute and no bacteriostatic water to source separately. The concentration is fixed when the cartridge is filled, which means it does not vary with how the material is handled after it arrives.
Which peptides do you stock?
Thirteen compounds, all in pre-mixed pen format: retatrutide, tirzepatide, cagrilintide, GHK-Cu, tesamorelin, ipamorelin, semax, selank, MOTS-c and melanotan II as single compounds, plus the Glow, KLOW and BPC-157 with TB-500 blends. Each product page states the strength, the cartridge volume, the concentration and how the dial is graduated.
Can I buy peptides online in the UK without a laboratory account?
No. Supply is to laboratories and research professionals, and we do not supply to individuals. Purchase requires confirmation that you are a qualified researcher aged 18 or over and that the material will be used solely for laboratory research purposes.
How quickly do UK peptide orders arrive?
Orders confirmed before 2pm on a working day are dispatched the same day. UK delivery is tracked and typically arrives within 24 to 48 hours. Every order travels cold-packed in thermal, tamper-evident packaging inside a plain outer box.
How should research peptides be stored?
Refrigerate at 2 to 8 degrees Celsius on arrival and protect from light. Do not freeze material already in solution, because freeze-thaw cycling damages peptides that have been reconstituted. Once a cartridge is in use, keep it upright and observe aseptic handling practice. Each product page states the storage condition for that compound.
Are these peptides for human use?
No. Everything supplied by Peptide Global is strictly an in-vitro research compound for laboratory research professionals. It is not for human or veterinary use, and is not intended to diagnose, treat, cure or prevent any disease.
All products supplied by Peptide Global are for laboratory research use only. They are not for human or veterinary use, and are not intended to diagnose, treat, cure or prevent any disease.
