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Est. 2018 · Research-Grade Peptides

Science You Can
Trust. Research You Can Do.

Simplex Peptides was founded with one purpose: to make pharmaceutical-grade research compounds accessible, reliable, and fully transparent. From our GMP-certified facilities to your laboratory — purity and integrity at every step.

50+

Research Compounds

99%+

Purity Guaranteed

10,000+

Orders Fulfilled

40+

Countries Served

Our Mission

Advancing Research Through Uncompromising Quality

At Simplex Peptides, we believe that the quality of your research is only as good as the quality of your compounds. That's why we hold ourselves to pharmaceutical standards — not just research-grade minimums.

We partner exclusively with GMP-certified manufacturing facilities and mandate independent third-party testing for every single batch. Our full Certificates of Analysis are publicly available, so you never have to take our word for it. Transparency isn't a feature for us — it's a core value.

Every batch independently tested by accredited laboratories
Full Certificate of Analysis included with every order
GMP-certified manufacturing — pharmaceutical-grade, not just research-grade
Cold-chain compliant shipping to preserve peptide integrity
Dedicated scientific support team for researcher enquiries

Why Researchers Choose Us

From academic institutions to independent researchers, thousands of scientists worldwide choose Simplex Peptides because we never cut corners. Our compounds arrive exactly as specified — verified, stable, and ready for your work.

99.2%
Customer Satisfaction
48h
Average Delivery Time

What We Stand For

Our Core Values

Four principles that guide every decision we make — from manufacturing to shipping to customer support.

Uncompromising Purity

Every compound we produce undergoes rigorous third-party HPLC and mass spectrometry testing. We publish full Certificates of Analysis (CoA) for every batch — no exceptions.

GMP-Certified Manufacturing

Our products are manufactured in certified pharmaceutical-grade facilities that comply with Good Manufacturing Practice (GMP) standards, ensuring consistency and safety at every step.

Researcher-First Culture

We exist to support the scientific community. Our team includes biochemists, pharmacologists, and research professionals who understand exactly what researchers need.

Reliable Global Shipping

Orders placed before 2 PM ship the same day in discreet, unmarked packaging. We ship to 40+ countries with full tracking and a 30-day return guarantee.

Our Journey

From Founding to Today

2018

Founded

Simplex Peptides established with a mission to bridge the gap between pharmaceutical-grade quality and research accessibility.

2019

First GMP Certification

Achieved Good Manufacturing Practice certification for our primary production facility.

2020

Third-Party Testing Program

Launched our mandatory third-party HPLC testing program — every batch, no exceptions.

2021

International Expansion

Began shipping to 25 countries, establishing partnerships with global research institutions.

2023

10,000 Orders Milestone

Surpassed 10,000 fulfilled orders while maintaining a 99.2% customer satisfaction rating.

2024

Catalogue Expansion

Grew our catalogue to 50+ compounds across 6 research categories, including new cognitive and anti-aging peptides.

The People Behind It

Meet Our Team

A multidisciplinary team of scientists, quality professionals, and logistics experts united by a passion for research excellence.

Dr. Sarah Mitchell

Dr. Sarah Mitchell

Chief Scientific Officer

PhD in Biochemistry from MIT. 15+ years in peptide synthesis and pharmacology research.

James Okonkwo

James Okonkwo

Head of Quality Assurance

Former GMP compliance officer with a decade of experience in pharmaceutical-grade manufacturing.

Dr. Elena Vasquez

Dr. Elena Vasquez

Research Director

Published researcher in metabolic and regenerative peptide applications across 30+ peer-reviewed papers.

Tom Hargreaves

Tom Hargreaves

Head of Logistics

Specialist in cold-chain and temperature-sensitive compound logistics across international markets.

Our Quality Promise

If It's Not Perfect,
It Doesn't Leave Our Lab.

We test every batch before it ships. If a compound doesn't meet our minimum purity threshold — it gets rejected. Full stop. We would rather absorb the cost than compromise your research.

HPLC Tested

CoA Included

Secure Packing

Purity Standards99%+
On-Time Dispatch98%
Customer Satisfaction99.2%
Order Accuracy99.8%

Ready to Start?

Explore Our Research Catalogue

From healing and recovery to cognitive and anti-aging research — browse 50+ GMP-certified compounds, each backed by a full CoA.