UK Research Peptides — Verified & Lab-Tested

Premium Research Peptides UK

High-quality research peptides available in the UK. Third-party HPLC-tested with 99%+ purity, same-day dispatch on orders placed before 3PM, and a batch-specific Certificate of Analysis (CoA) included with every order.

Browse Products View Batch COAs
99%+
Purity Grade
3rd
Party Tested
24hr
UK Dispatch
100%
UK Based
PeptidesX · Research Intelligence
ISO 17025 · HPLC · MS-UPLC
// HPLC purity analysis · Batch PX-2606
Purity Verification
HPLC area % · Independent ISO 17025 accredited lab
99.2% area 0.8% imp 0 5 10 15 min
BPC-157
99.2%
Semaglutide
99.2%
GHK-Cu
99.6%
Retatrutide
99.1%
Ipamorelin
99.3%
99.2%
Avg Purity
ISO
17025 Lab
0.8%
Impurities
// MS-UPLC molecular verification · Confirmed
Molecular Structure
BPC-157 · C₆₂H₉₈N₁₆O₂₂ · MW 1419.5 g/mol
G E P P P G S K G C Observed 1419.4 Da Expected 1419.5 Da Gly-Glu-Pro-Pro-Pro-Gly-Lys · 15 residue chain
CAS number137525-51-0
Molecular formulaC₆₂H₉₈N₁₆O₂₂
MS identityConfirmed ✓
Endotoxin (LAL)0.8 EU/mg ✓
Net peptide content91.4%
// Quality verification pipeline · Every batch
6-Stage QC Process
Every compound clears all 6 stages before listing — no exceptions
✓
Supplier credentials audit
cGMP · FDA registered · ISO 9001 · Facility review
Passed · Approved supplier
✓
Batch receipt & intake
Cold-chain verified · Vial integrity · Lyophilisation
Passed · Batch PX-BPC157-2606
✓
HPLC purity analysis
ISO 17025 lab · 99.2% area · 0.8% impurities
99.2% purity · Pass
✓
MS-UPLC identity confirmation
1419.4 Da observed vs 1419.5 Da expected
Identity confirmed · Pass
→
Endotoxin & heavy metals
LAL test · ICP-MS screen · Bioburden check
In progress · 0.8 EU/mg so far
6
Batch CoA generation & dispatch
Batch-specific · Ships with order · Never a generic PDF
Awaiting step 5
🛡 5 of 6 checks passed. No compound is listed until all 6 stages are complete. 5/6
🧪 99%+ Purity Tested
📄 Batch-Specific COAs
🔬 Independent HPLC & LC-MS Testing
🚚 Same-Day Dispatch Before 3PM
🔒 Discreet & Secure Packaging
Why PeptidesX

Why Choose Our Research Peptides?

Purity and proof go hand-in-hand when ordering research peptides online in the UK. Our products are always high-purity research peptides used by scientists, universities, and independent researchers — certified by third-party lab testing, not self-verification through advertising.

Every peptide compound we sell is independently tested at an ISO 17025 accredited laboratory using HPLC and mass spectrometry, then shipped out the same day. No generic certificates. No second-guessing. Just pure research peptides dispatched immediately within the UK.

Browse Compounds Our Testing Standards
🔬
Third-Party Tested
Independent verification — never self-certified through marketing claims.
📊
HPLC & MS
Purity confirmed by chromatography and mass spectrometry on every batch.
🏛️
ISO 17025 Accredited Lab
Every compound tested at an accredited UK laboratory — with a batch-specific Certificate of Analysis included in every order.
99%+ Purity
Same-Day Dispatch
CoA Every Order
Catalogue

High-Purity Research Peptides

Browse our full catalogue of lab-tested peptides - each supplied with a batch-specific Certificate of Analysis for laboratory and scientific research use only.

BPC-157
Cellular Research Peptides
BPC-157
BPC-157 (Body Protection Compound-157) is a laboratory-made peptide that comes from a protein contained in the body’s stomach…
HPLC Purity 99.2% ✓
Price range: £15.99 through £29.99
View Product
Semaglutide
GLP-1 Research Peptides
Semaglutide
Semaglutide is a GLP-1 receptor agonist, which contains a fatty acid moiety enabling binding to albumin, as well…
HPLC Purity 99.2% ✓
Price range: £49.99 through £129.99
View Product
TB-500
Cellular Research Peptides
TB-500
The TB-500 is a man-made replica of the Thymosin Beta-4 which is naturally produced by the thymus. It…
HPLC Purity 99% ✓
Price range: £15.99 through £49.99
View Product
GHK-Cu
Copper Peptides
GHK-Cu
GHK-Cu is a natural copper peptide that occurs in human plasma. It has been widely investigated in cellular…
HPLC Purity 99.6% ✓
Price range: £24.99 through £44.99
View Product
CJC-1295 with Ipamorelin
GHRH Research Peptides
CJC-1295 with Ipamorelin
CJC-1295 is a man-made analog of the growth hormone-releasing hormone (GHRH) that utilizes the drug affinity complex (DAC)…
HPLC Purity 99.1% ✓
Price range: £21.99 through £39.99
View Product
Tesamorelin
Growth Hormone Research Peptides
Tesamorelin
About Tesamorelin Tesamorelin is a GHRH (growth hormone-releasing hormone) analogue used for research purposes regarding the study of…
HPLC Purity 99.2% ✓
Price range: £19.95 through £49.95
View Product
MOTS-c
Cellular Research Peptides
MOTS-c
MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) peptide is a mitochondrial product synthesized from the 12S…
HPLC Purity 99% ✓
£28.99
View Product
Semax
Nootropic Research Peptides
Semax
Semax is an artificial heptapeptide based on ACTH(4-10). This substance is used in studies related to BDNF upregulation,…
HPLC Purity 99.2% ✓
Price range: £21.99 through £29.99
View Product
View All Research Peptides →

Certificate of Analysis with Every Order

Purity is not something we ask you to assume blindly. All orders for research peptides come with complete HPLC and MS-tested data sheets — individual test results, not pre-made generic PDFs. That's what distinguishes a peptide company from a reputable peptide company.

Request a Sample CoA
Research Use Only
Research
Use Only
UK Registered Business
UK Registered
Business
Same-Day UK Dispatch
Same-Day
UK Dispatch
Secure Checkout
Secure
Checkout

Third-Party HPLC Tested

Independent laboratory analysis

LC-MS Identity Verification

Peptide identity confirmed

Batch-Specific Certificate

Unique CoA with every order

≥99% Purity Standard

High purity you can rely on

UK Same-Day Dispatch

Order before 3PM, ships today

Research Use Only

For laboratory research purposes

SAMPLE CERTIFICATE OF ANALYSIS
Product:BPC-157
Batch Number:BPC2607-01
Appearance:White Lyophilized Powder
Purity (HPLC):99.42%
Method:HPLC
Identity (LC-MS):Confirmed
Result:
PASS
Sample Certificate of Analysis preview with PeptidesX branding and HPLC chromatogram
View Full Sample CoA
3,000+
Research Vials
Tested
99%+
Typical
Purity
100%
Batch
Traceability
Standards

Why Choose PeptidesX?

Every decision we make is built around research integrity and compound reliability.

01
⚗️
99%+ Purity, Verified
Every compound independently confirmed to exceed 99% purity via HPLC - and we publish the results, batch by batch.
02
🔬
Third-Party Lab Tested
We never self-certify. Every batch is sent to an independent accredited laboratory before it reaches your bench.
03
🚚
Same-Day UK Dispatch
Order before 3 PM and your peptides ship the same day via tracked courier in discreet, secure packaging.
04
🇬🇧
UK Registered Company
A fully registered UK supplier. All products supplied strictly for in-vitro laboratory research, compliant with UK law.
PeptidesX UK research peptide vials and Certificate of Analysis

Research Peptides Online with Fast UK Delivery

Ready for premium-grade and lab-tested peptides? Discover the entire range of PeptidesX products and enjoy same-day shipping on orders placed before 3PM, nationwide delivery in the UK, and receive a Certificate of Analysis with every individual batch.

PeptidesX sells all its products solely for the purpose of conducting laboratory and scientific studies. These products should not be taken orally or be used medically, veterinary, or therapeutically. PeptidesX is a registered UK company.

📋

Full Documentation

Every order includes a batch-specific Certificate of Analysis with HPLC and mass spectrometry data.

🏭

Verified Sourcing

Compounds sourced exclusively from cGMP-compliant manufacturing facilities with full traceability.

⚖️

UK Law Compliant

All products supplied strictly for in-vitro and laboratory research only. Not for human consumption.

Latest Research & Insights

Discover the expanding collection of educational articles on topics ranging from peptide chemistry to analysis techniques and laboratory tips. Each article is created with researchers in mind to provide them with the most accurate and current information.

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Reading Time: 9–10 Minutes Last Updated: July 2026 Introduction Mitochondria are considered as the powerhouses of the cell…

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