Reta has now been renamed to GLP-3 RT.

UK’s Trusted Source for COA-Verified Research Peptides

Bluewell Peptides delivers high-purity research peptides with full COA documentation. Each batch is HPLC-tested to 99.1%+ purity and dispatched the same day for next-day UK delivery. Tracked worldwide shipping available.

For research and laboratory use only. 

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HPLC Purity 99.1% Since 2022
UK’s First Choice for Research Peptides

Trusted by researchers for verified purity and complete batch documentation. Explore our most popular research peptides below.

Research essentials for safe and accurate handling

The Blue Standard in Peptide Research

At Bluewell Peptides, The Blue Standard means more than purity. It’s our commitment to setting the benchmark for UK research peptides. Every vial is carefully manufactured under GMP conditions, and independently tested to guarantee accuracy and transparency.

We never compromise with low-grade or unverified compounds. Our peptides, are stored in temperature-controlled facilities to ensure consistency, reliability, and long-term stability.

With advanced HPLC testing, COA verification, and a proven track record, Bluewell Peptides has become one of the most trusted research peptide suppliers, relied on by researchers who demand uncompromising quality.

All Bluewell products are supplied strictly for laboratory research use only. Not for human or veterinary use.

That’s The Blue Standard.

Why Researchers Trust Bluewell Peptides

UK-based, independently verified, and focused on consistent results with every order.

UK-Based Supplier

Based in Manchester & London, serving UK, EU and global researchers.

HPLC-Tested 99.1% Purity

Every batch independently verified with a full COA.

Next-Day UK Delivery

Same-day dispatch on orders placed before 2pm.

Trusted Since 2022

Supplying consistent, reliable peptides to researchers.

Secure & Discreet Checkout

FCA-regulated payments & plain packaging for privacy.

Transparent Lab Reports

Every order linked to batch-specific COA documentation.

Consistency Guaranteed

Controlled storage ensures stability and reliability.

Researcher Support

UK-based support team available 7 days a week.

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Research Peptides FAQ

What are research peptides?

Research peptides are short chains of amino acids used in laboratory settings to study biological pathways such as cellular signalling, receptor binding, tissue models, and metabolic processes. Bluewell products are supplied as research materials with batch documentation. For research and laboratory use only. Not for human consumption.

What does “COA-verified” mean?

A Certificate of Analysis (COA) is batch-specific documentation that reports laboratory testing for identity and purity. COAs commonly reference analytical methods such as HPLC (purity) and mass spectrometry (identity).

Why does purity matter in research?

Higher purity helps reduce confounding variables from synthesis byproducts and supports reproducibility across experiments and repeat studies. Bluewell provides batch COAs so researchers can verify what was tested.

How can I verify a product batch?

Check for a batch code on the vial label and match it to the relevant COA entry. If you need help locating a batch record, contact support with the batch code.

Why do products state “research use only”?

This is a compliance and safety standard. Bluewell does not market products as medicines, supplements, or treatments. All products are supplied strictly as research materials.

Where can I view your COAs?

You can view batch documentation on our COA page here: https://bluewellpeptides.com/certificate-of-analysis-coa/.

Do you provide two-layer verification like you mention on the COA page?

Yes. Batches are tested and supplied with analytics via our manufacturing partners, and then re-verified by an independent third-party laboratory (HPLC purity and molecular identity). Results are presented in a consistent Bluewell COA format for traceability.

Reminder: All products are supplied for research and laboratory use only and are not intended for human consumption, medical use, or veterinary use.

5-Amino-1MQ – NNMT / cellular metabolism research

Studied in metabolic and cellular energy research, particularly in relation to NNMT-associated pathways and downstream cellular metabolism models. Research focuses on mechanism and signalling rather than therapeutic application.

AOD 9604 – adipose and lipid signalling research

A peptide fragment studied in adipocyte signalling and lipid metabolism models. Research interest often centres on pathways related to fat metabolism and energy regulation.

Adamax – melanocortin pathway research

Studied in receptor-binding models related to melanocortin signalling. Research interest includes pigmentation biology and melanocyte pathway investigation.

BPC-157 – tissue protection and repair research

Widely studied in preclinical tissue integrity and repair models, including pathways related to inflammation signalling, angiogenesis, and cytoprotective mechanisms.

Cagrilintide – amylin receptor and appetite pathway research

Investigated in metabolic research for interactions with amylin receptor pathways and energy balance signalling.

CJC-1295 (No DAC) – GHRH analogue research

Studied in endocrine signalling research as a growth hormone–releasing hormone analogue, often in models exploring pulsatile GH dynamics.

CJC-1295 (With DAC) – sustained GHRH signalling research

Studied for longer-duration signalling profiles via albumin-binding properties in controlled research models focused on endocrine signalling patterns.

CJC-1295 (No DAC) + Ipamorelin – growth hormone axis research

A combination studied in GH-axis research models to explore pulsatile signalling and downstream pathway markers (including IGF-1 related signalling) in controlled experimental settings.

DSIP – sleep and circadian research peptide (mixed evidence)

Historically studied in sleep and circadian rhythm research. Findings across studies are mixed and often model-dependent.

Epithalon – ageing and circadian biology research

Investigated in ageing and circadian rhythm research. Research commonly focuses on cellular ageing markers and rhythm regulation pathways in experimental models.

GHK-Cu – collagen, ECM, and skin biology research

A copper-binding peptide studied for extracellular matrix signalling, collagen-related pathways, tissue remodelling, and skin biology models.

Glow Blend (BPC-157, TB-500, GHK-Cu) – multi-pathway research blend

A combination used in research contexts exploring tissue repair signalling, cell migration/angiogenesis pathways, and extracellular matrix biology. Supplied for laboratory research only.

IGF-1 LR3 – growth factor signalling research

Studied in cellular growth factor signalling models and receptor-binding research involving IGF-1 pathway activity. Research focuses on controlled experimental systems.

Ipamorelin – ghrelin receptor / GH-axis research

Studied as a ghrelin receptor agonist in research models exploring GH-axis signalling and downstream endocrine markers.

Kisspeptin-10 – reproductive axis signalling research

Studied in neuroendocrine research related to GnRH signalling and reproductive axis regulation in experimental models.

KLOW Blend (BPC-157, TB-500, KPV, GHK-Cu) – inflammation + repair pathway research blend

A combination used in laboratory research to explore tissue repair signalling, cell migration pathways, inflammation-related mechanisms, and extracellular matrix biology. Supplied for research use only.

KPV – inflammation signalling research peptide

Studied in inflammation-related pathway models, including cytokine signalling and barrier integrity research contexts.

L-Glutathione – redox and oxidative stress research

Studied as a key molecule in cellular redox balance, oxidative stress models, and detoxification pathway research.

LL-37 – antimicrobial peptide and innate immunity research

A host defence peptide studied for innate immune signalling, antimicrobial mechanisms, and inflammation-related pathways in laboratory models.

Melanotan-2 – melanocortin and pigmentation research

Studied as a melanocortin receptor agonist in pigmentation biology, melanogenesis signalling, and receptor-binding research models.

MOTS-C – mitochondrial signalling peptide research

Investigated in mitochondrial biology and metabolic regulation research, including pathways linked to cellular stress responses and energy metabolism.

NAD+ – cellular energy and redox cofactor research

Studied broadly in cellular metabolism, redox biology, mitochondrial function, and ageing-related research models.

PT-141 – melanocortin receptor research

Studied in melanocortin receptor signalling research and CNS pathway models. Research focuses on receptor interactions and signalling behaviour in controlled systems.

GLP-3 RT – incretin receptor research (investigational)

An investigational multi-receptor agonist studied in metabolic research, including GLP-1/GIP/glucagon pathway models. Research is ongoing and model-dependent.

Selank – neuropeptide and stress-response research

Studied in neuropeptide research for pathways related to stress-response signalling and cognitive model investigations.

Semax – neuropeptide and neurotrophic signalling research

Studied in neurobiology research involving neurotrophic signalling pathways and cognitive model endpoints.

Sermorelin – GHRH pathway research

Studied as a GHRH analogue in endocrine research models exploring pulsatile GH secretion signalling and downstream markers.

Snap-8 – cosmetic peptide signalling research

A cosmetic peptide studied in skin biology research models related to expression-line signalling and peptide–skin interaction pathways.

SS-31 – mitochondrial / cardiometabolic research peptide

Studied in mitochondrial function research, including oxidative stress and cellular energy models. Research interest often involves mitochondrial membrane and reactive oxygen species pathways.

TB-500 – thymosin beta-4 fragment research

Studied in tissue repair models related to cell migration, angiogenesis signalling, and cytoskeletal pathway investigation.

Tesamorelin – GHRH analogue research

Studied in endocrine and metabolism research models as a GHRH analogue, including investigations into GH-axis signalling and metabolic endpoints in controlled settings.

Thymosin Alpha-1 – immune modulation research

Studied in immunology research for T-cell signalling, immune modulation, and inflammatory pathway models.

Note: Product descriptions here are provided for educational and research-context purposes only. All products are supplied strictly for research and laboratory use only and are not intended for human consumption.

How should lyophilised (dry) peptides be stored?

Keep vials sealed, dry, and protected from light and temperature swings. Long-term stability is commonly maintained in a freezer environment; short-term storage may be suitable under refrigerated conditions depending on protocol. Always follow the guidance supplied with your batch documentation.

How should reconstituted materials be handled in the lab?

Use aseptic technique and minimise contamination risk. Where protocols require a solution, researchers typically prepare aliquots to reduce repeated vial access and avoid repeated temperature cycling.

What are common handling mistakes?
  • Allowing moisture into vials (condensation from temperature swings).
  • Repeatedly opening the same vial across multiple sessions.
  • Improper labelling of batch code and preparation date in research logs.
  • Non-sterile handling or storage outside a controlled lab environment.
Do you provide storage guidance?

Yes. Storage and handling guidance is provided alongside documentation and on relevant resource pages to support reproducibility and stability in laboratory settings.

How fast is UK dispatch?

Orders placed before the daily cut-off are typically dispatched the same day. Delivery speed depends on the shipping option selected at checkout and carrier performance.

Are deliveries discreet?

Yes. We ship in plain, unbranded packaging with no external product references.

Do you ship internationally?

Yes. We ship internationally with tracked options available. See our Delivery Information page for current services and typical transit ranges: Delivery Information.

Will I receive tracking?

Tracking is provided where the chosen service includes it. You will receive tracking details once the carrier has scanned the parcel.

Could there be delays?

Occasionally, carrier network issues or customs checks can delay transit for international parcels. If there is an issue, contact support with your order number and we will assist promptly.

Our Quality, Made Simple

Every Bluewell Peptides product is manufactured and supplied under strict quality and handling standards, with independent laboratory analysis conducted to confirm identity, purity, and composition prior to release.

Each batch is accompanied by batch-matched Certificate of Analysis (COA) documentation, enabling full traceability across vial labelling, invoices, and digital records for audit and verification purposes.

All products are stored and dispatched under controlled conditions to maintain stability and consistency. Same-day UK dispatch is available, with tracked worldwide shipping offered.

To further support the research community, Bluewell Peptides provides access to technical resources, documentation, and research guidance via our Resources & Guides hub.

All products are supplied strictly for research and laboratory use only and are not intended for human consumption.

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