RESEARCH-GRADE · 99%+ PURITY

Precision peptides. Proven quality.

Prime Peptides supplies pharmaceutical-grade compounds engineered for the world's most demanding research protocols. Every batch is HPLC verified, mass-spec confirmed and third-party tested.

Retatrutide 40 MG
Third-party verified
Every batch, every time
OUR STORY

A mission born
from experience.

Prime Peptides was founded to make research-grade peptides accessible to serious scientists, clinicians and independent laboratories without the gatekeeping and inflated pricing common to the industry.

Every product ships with a Certificate of Analysis. Every batch is manufactured to GMP standards. Every order is dispatched within 24 hours.

Read our story
BPC-157
Klow 70
SPECIALISED SERVICES

Beyond the vial.

Complimentary Delivery

Free tracked shipping on orders over £150. Same-day dispatch before 3pm GMT.

Complimentary Samples

Receive an assortment of research samples with every qualifying purchase.

Scientific Consultation

Book a one-to-one call with our scientific advisers for protocol guidance.

QUALITY STANDARD

Where science meets precision.

Every Prime Peptides compound is manufactured in a GMP-audited facility, then independently verified by third-party laboratories. We publish the certificate of analysis for every batch.

HPLC purity ≥ 99%

High-performance liquid chromatography on every batch.

Mass spectrometry confirmed

Molecular weight and sequence verified independently.

Endotoxin & sterility tested

LAL and USP <71> testing performed pre-release.

Certificate of Analysis

Downloadable COA published with every lot number.

Full quality standards
TESTIMONIALS

What researchers say.

Trusted by professionals across the UK for quality, consistency and reliable service.

Found this community by chance — already recommended it to my wife. Customer service is second to none. 10/10.

— NIGEL R. WYATT

Great customer service from Ray. Answers any questions promptly and gives relevant advice. Super fast delivery.

— JULES M.

Quick delivery and great support. Would definitely recommend to anyone in the field.

— TESS GERICKE

Consistent purity across every batch we've received. COAs match our own HPLC verification.

— DR. A. PATEL

Ready to advance your research?

Browse the full catalogue, or speak with our scientific team about bulk pricing and custom synthesis.