Research Peptides UK | HPLC-Tested & Batch CoA

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 by Janoshik using HPLC and mass spectrometry to verify purity and molecular identity. We provide batch-specific Certificates of Analysis (CoAs), so you can review the analytical results for the exact batch supplied. No generic certificates. No second-guessing. Just independently tested research peptides with fast UK dispatch.

Browse Compounds Our Testing Standards

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Third-Party Tested

Independent verification — never self-certified through marketing claims.

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HPLC & MS

Purity confirmed by chromatography and mass spectrometry on every batch.

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Independent Third-Party Laboratory Testing

Batch-specific analytical reports with HPLC and mass-spectrometry data

≥98% + 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.

Cellular Research Peptides

BPC-157

BPC-157 is a synthetic research peptide investigated in laboratory models involving connective tissue biology, cellular signalling, angiogenesis, and…

HPLC Purity 99% ✓

Cellular Research Peptides

TB-500

TB-500 is a synthetic research peptide investigated in laboratory models involving actin regulation, cytoskeletal organisation, cellular migration, and…

HPLC Purity 99% ✓

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% ✓

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% ✓

Growth Hormone Research Peptides

Tesamorelin

Tesamorelin is a synthetic GHRH analogue studied in laboratory research for GHRH receptor activity, growth hormone and IGF-1…

HPLC Purity 99% ✓

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% ✓

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% ✓

Sexual Health Research Peptides

PT-141

PT-141 is a synthetic research peptide studied for its interaction with melanocortin receptors, particularly MC3R and MC4R, and…

HPLC Purity 99% ✓

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

UK Registered
Business

Same-Day
UK Dispatch

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Checkout

Third-Party HPLC Tested

Independent laboratory analysis

LC-MS Identity Verification

Peptide identity confirmed

Batch-Specific Certificate

Unique CoA with every order

≥98% 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:ZL-03-05

Appearance:White Lyophilized Powder

Purity (HPLC):>99.0%

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

≥98%

Typical
Purity

100%

Batch
Traceability

Standards

Why Choose PeptidesX?

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

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≥98% Purity, Verified

Every compound independently confirmed to exceed ≥98% purity via HPLC - and we publish the results, batch by batch.

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Third-Party Lab Tested

We never self-certify. Every batch is sent to Janoshik before it reaches your bench.

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Same-Day UK Dispatch

Order before 3 PM and your peptides ship the same day via tracked courier in discreet, secure packaging.

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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.

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Full Documentation

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

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Verified Sourcing

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

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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.

09 Sep 2026

Research Peptides
for UK Laboratories

Why Choose Our Research Peptides?