Your partner for tested research peptides
We supply analytically tested reference peptides for laboratory research, with a clear commitment to purity, documentation and verifiable quality. So you can focus on your research and have confidence in your supplier.
Research deserves reliable materials
AESTX Systems was founded because the European research community needs a reputable supplier with a stable regulatory footing and verifiable quality. Our commitment: every compound we offer is assessed for identity and purity against a clear analytical standard. We provide pure research materials with accurate labelling and avoid exaggerated therapeutic claims.
Tested, documented, verifiable
Trust is built on evidence. Our quality assurance is therefore based on independent analytical methods, and we openly explain what matters.
What sets us apart
Six reasons why researchers in the EU choose us.
Fast delivery within the EU
Short shipping routes and reliable delivery, without long waits or overseas import hurdles.
DHL Premium, 2–4 days
Fast, reliable delivery in discreet, secure packaging.
Real transparency
We openly explain our analytical methods — HPLC, LC-MS and the COA standard — instead of relying on buzzwords.
Personal support
Questions about products, storage or reconstitution? We respond in German and English.
Focus on research
Our compounds are intended exclusively for laboratory research, with clear documentation and accurate labelling.
Practical tools
A peptide calculator, peptide finder and reference guide with scientific explanations of the compounds.
The people behind the quality
AESTX Systems is backed by a small team with distinct areas of expertise, united by a commitment to support research with reliable materials tested through transparent processes.
Yara H.
Quality & analysis
Oversees purity standards, documentation and batch testing.
Jonas K.
Biochemistry & mechanisms of action
Prepares scientific background information and reference guide content.
Aylin S.
Regeneration & Heilung
Focuses on regeneration and tissue research and relevant compounds.
Deniz A.
Support & operations
The first point of contact for questions about orders, shipping and storage.
Is AESTX Systems trustworthy?
Is AESTX Systems a reputable supplier?
Yes. We provide a full legal notice and accessible support. Our quality assurance follows established analytical methods — HPLC for purity testing and LC-MS for identity testing — and the COA standard.
How is peptide quality tested?
Our commitment: purity tested by HPLC (target ≥99%) and identity tested by LC-MS. We explain what these methods establish in our article on HPLC analysis.
What is a Certificate of Analysis (COA)?
A Certificate of Analysis documents the laboratory results for a specific batch, including purity and molecular identity. Read more in our article on COAs.
How fast and discreet is shipping?
We ship with DHL Premium, usually within 2 working days, in discreet and secure packaging.
Are the products intended for human use?
No. All compounds are intended exclusively for laboratory research, and are not for human or animal use or for diagnostic or therapeutic purposes.
The team profiles shown illustrate the areas of expertise at AESTX Systems. All products are intended exclusively for research and laboratory use, and are not intended for human or animal use.