Research-grade peptides, delivered from source to bench in the US & UK

Every batch ships with a COA confirming identity and purity. Sourced from vetted Chinese manufacturers, warehoused in the UK and US for fast delivery.

24+ Vetted Factories
500+ COAs on File
2 Regional Warehouses
98.5% Avg. Purity (HPLC)

How EZ-Sciences works

EZ-Sciences partners directly with over 24 GMP and ISO-certified peptide synthesis facilities across China. Every batch ships with a full Certificate of Analysis covering identity, purity (HPLC), and endotoxin levels. We maintain inventory in both our UK and US warehouses so you receive stock quickly without navigating international logistics yourself.

Factory Qualification

Each supplier undergoes an on-site audit, documentation review, and trial batch assessment before approval. We re-audit annually.

COA Transparency

Every product ships with a batch-specific COA. We hold over 500 COAs on file and can provide historical documentation on request.

Fast Fulfillment

In-stock items ship same day from our UK or US warehouses. Custom synthesis typically ships within 2-3 weeks.

Quality Assurance

Independent third-party HPLC and mass spec verification available on request. We stand behind every product we distribute.

Regional Warehouses

🇬🇧

United Kingdom

Ready-to-ship inventory covering the UK and EU. Most orders dispatch same business day with next-day delivery available.

🇺🇸

United States

Serves North American customers. Domestic USPS and FedEx shipping keeps transit times short and costs low.

Popular peptides

12 products
BPC

BPC-157

Body Protection Compound
≥98%
COA
TB5

TB-500

Thymosin Beta-4 Fragment
≥98%
COA
SEM

Semaglutide

GLP-1 Receptor Agonist
≥97%
COA
TIR

Tirzepatide

GLP-1 / GIP Dual Agonist
≥97%
COA
CJC

CJC-1295 (DAC)

GHRH Analogue w/ DAC
≥98%
COA
IPA

Ipamorelin

Selective GH Secretagogue
≥99%
COA
MT2

Melanotan II

Alpha-MSH Analogue
≥98%
COA
PT1

PT-141

Bremelanotide
≥98%
COA
SEL

Selank

Synthetic Tuftsin Analogue
≥98%
COA
TES

Tesamorelin

GHRH Analogue
≥97%
COA
EPI

Epithalon

Epitalon / AEDG Peptide
≥98%
COA
GHK

GHK-Cu

Copper Peptide Complex
≥98%
COA

The people behind EZ-Sciences

8 members
DL

David L.

CEO

JC

James C.

Senior Broker

WL

William L.

Senior Broker

MZ

Mel Z.

Broker

RT

Rachel T.

Broker

KP

Kevin P.

Broker

JX

Jun X.

Broker

EC

Eric C.

Broker

Ready to place an order?

Get in touch with our team to discuss pricing, custom synthesis, or bulk orders. We typically respond within a few hours.

Contact Us