






PRECISION• PURITY • PERFORMANCE
Peptilion supplies high-purity research peptides exclusively for laboratory use. Our manufacturing partners work to scientific standards, with independent testing on every batch so quality stays consistent from order to order.
High-purity research peptides. Tested batch by batch.

Lab-Tested Purity
Pharmaceutical-level quality in every batch

Fast & Secure Shipping
Reliable worldwide delivery with tracking.

GMP-Certified Production
Manufactured to the highest industry standards


Featured Peptide
Independently tested • COA with every order
Featured Peptide
Independently tested • COA with every order
AOD-9604
AOD-9604 40 mg – High-Purity Research Peptide
AOD-9604 is a modified fragment of the C-terminal region of human growth hormone (hGH 176-191). It is supplied as a high-purity lyophilised powder for laboratory research into lipid metabolism and related pathways.Each batch is independently tested by HPLC to confirm ≥99% purity. A Certificate of Analysis (COA) is provided with every order.This compound is studied in preclinical research models examining lipolytic signalling, fat metabolism pathways, and growth hormone fragment activity.
Specifications
- Purity: ≥99% (HPLC)
- Form: Lyophilised powder
- Quantity: 40 mg
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£99.00
CJC - 1295
CJC-1295 (No DAC) 40 mg – High-Purity Research Peptide
CJC-1295 (No DAC) is a synthetic growth hormone-releasing hormone (GHRH) analogue supplied as a high-purity lyophilised powder for laboratory research. It is designed without the Drug Affinity Complex (DAC) modification.Each batch is independently tested by HPLC to confirm ≥99% purity. A Certificate of Analysis (COA) is provided with every order.This compound is studied in preclinical research models investigating GHRH receptor signalling, growth hormone secretion dynamics, and related hypothalamic-pituitary axis pathways.
Specifications
- Purity: ≥99% (HPLC)
- Form: Lyophilised powder
- Quantity: 40 mg
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£99.00
Ipamorelin
Ipamorelin 40 mg – High-Purity Research Peptide
Ipamorelin is a selective growth hormone secretagogue (pentapeptide) supplied as a high-purity lyophilised powder for laboratory research. It is characterised by high selectivity for the ghrelin receptor (GHSR).Each batch is independently tested by HPLC to confirm ≥99% purity. A Certificate of Analysis (COA) is provided with every order.This compound is studied in preclinical research models investigating pulsatile growth hormone release pathways, GHSR signalling, and related hypothalamic-pituitary axis mechanisms.
Specifications
- Purity: ≥99% (HPLC)
- Form: Lyophilised powder
- Quantity: 40 mg
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£99.00
Melanotan 11 (MT-11)
Melanotan IIMelanotan II 40 mg – High-Purity Research Peptide
Melanotan II (MT-II) is a synthetic cyclic α-MSH analogue supplied as a high-purity lyophilised powder for laboratory research. It acts as a melanocortin receptor agonist.Each batch is independently tested by HPLC to confirm ≥99% purity. A Certificate of Analysis (COA) is provided with every order.This compound is studied in preclinical research models investigating melanocortin receptor signalling (particularly MC1R, MC3R and MC4R), pigmentation pathways, and related receptor pharmacology.
Specifications
- Purity: ≥99% (HPLC)
- Form: Lyophilised powder
- Quantity: 40 mg
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£69.00
MOTS-c
MOTS-c 40 mg – High-Purity Research Peptide
MOTS-c is a 16-amino-acid mitochondrial-derived peptide with the sequence MRWQEMGYIFYPRKLR (molecular weight ≈ 2174.6 Da). It is supplied as a high-purity lyophilised powder for laboratory research.Each batch is independently tested by HPLC and mass spectrometry to confirm ≥99% purity. A Certificate of Analysis (COA) is provided with every order.This compound is studied in preclinical models investigating AMPK activation, metabolic homeostasis, mitochondrial signalling, insulin sensitivity pathways, and exercise-mimetic cellular responses.
Specifications
- Purity: ≥99% (HPLC + MS)
- Form: Lyophilised powder
- Quantity: 40 mg
- Sequence: MRWQEMGYIFYPRKLR
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£98.00
PT-141 (Bremelanotide)
PT-141 (Bremelanotide)PT-141 40 mg – High-Purity Research Peptide
PT-141 (Bremelanotide) is a synthetic cyclic peptide and melanocortin receptor agonist supplied as a high-purity lyophilised powder for laboratory research.Independent HPLC testing confirms ≥99% purity on every batch. A Certificate of Analysis is provided with each order.Researchers employ PT-141 in studies of melanocortin receptor (primarily MC3R/MC4R) signalling and related central nervous system pathways.
Specifications
- Purity: ≥99% (HPLC)
- Form: Lyophilised powder
- Quantity: 40 mg
- Appearance: White to off-white lyophilised cake
For laboratory research use only. Not for human or veterinary use. Not a drug, food, cosmetic, or diagnostic product.
£69.00
The Science Behind Our Peptides
Clinically informed formulations backed by verified lab testing and biochemical precision. Independent third-party testing is mandatory. Every batch is analysed by HPLC (and mass spectrometry where applicable) to confirm purity of ≥99%. A complete Certificate of Analysis is provided with every order. Batches that do not meet our strict standards are rejected.

Science-Backed Formulations
Our peptides are sourced from carefully selected manufacturing partners and undergo independent third-party laboratory testing to confirm structural integrity, stability, and purity. Every batch is verified before it enters our catalogue, ensuring it meets rigorous scientific standards for laboratory research use.
✓ Verified purity
Lab-tested purity and pharmaceutical-level quality.
✓ Sterile manufacturing
Produced in controlled, sterile lab environments.
✓ Research-backed
Supported by published scientific findings and clinical insights.
✓ Molecular accuracy
Formulated to match exact peptide structure and stability.
What Our Customers Say
Real experiences from verified buyers.

"We ran two lots of PT-141 on our own HPLC before we would book a third order. Both came back clean, one at 99.2% and one at 99.4%, and the COA matched what we saw. Packaging was ordinary and the vials were labelled properly. That is all I needed.”
Analytical technician, university biochemistry lab
"Not the cheapest, but the last three orders reconstituted without haze and the batch numbers on the vial matched the PDF. Support sent the chromatogram when I asked, same day. We will keep them as a backup supplier.”
Research technician
I care about paperwork more than branding. COA with the parcel, tracking that actually updated, and no missing cold pack in July. One vial had a slightly crooked label. Product itself was fine. Fine for our in-vitro work.”
Laboratory Technician, private research group
Get in touch
Reach us - we’re here to help.
Peptilion Research Ltd
21-23 Mossop Street , London SW3 2LY, United Kingdom
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Peptilion™ is a trading name of PEPTILION RESEARCH LTD, registered in England and Wales (17395865). Registered office,
21-23 Mossop Street, London SW3 2LY, England, United Kingdom.
All Peptilion products are supplied strictly for laboratory and in-vitro research use only. Not for human or veterinary consumption, therapeutic use, bodybuilding, wellness, or any form of personal administration. Not a drug, food, cosmetic, or diagnostic product. Not approved by the MHRA, FDA, or any regulatory authority for human use. Every batch is independently third-party tested with a Certificate of Analysis provided. Full disclaimer available in our [Terms & Conditions]








