Research-Grade Peptides for the Scientific Community
Advanced peptide synthesis for cutting-edge research. We provide the highest purity compounds (≥99%) verified by rigorous third-party analytical testing.
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Our Peptides
Highest purity compounds — every batch third-party verified
Tirzepatide
First-in-class dual GIP/GLP-1 receptor agonist. 39-amino acid peptide with imbalanced agonism favoring GIP receptor engagement. ≥98% HPLC purity. CAS: 2023788-19-2. Lyophilized powder with COA. For laboratory research use only.
Semax
Synthetic analogue of ACTH(4-10) neuropeptide with cognitive enhancement properties. Targets BDNF and dopamine pathways without hormonal activity. ≥98% HPLC purity. CAS: 80714-61-0. For laboratory research use only.
Semaglutide
GLP-1 receptor agonist with 94% sequence homology to native human GLP-1. Modified for extended half-life via albumin binding and DPP-4 resistance. ≥98% HPLC purity. CAS: 910463-68-2. Lyophilized powder with COA. For laboratory research use only.
CJC-1295 DAC
Synthetic GHRH analogue with Drug Affinity Complex enabling 6–8 day half-life via albumin conjugation. Produces sustained GH/IGF-1 elevation. ≥98% HPLC purity. CAS: 863288-34-0. For laboratory research use only.
GHK-Cu
Naturally occurring tripeptide-copper(II) complex (Gly-His-Lys:Cu²⁺) first isolated from human plasma. Modulates 4,000+ genes including 47 DNA repair pathways. ≥98% HPLC purity. CAS: 49557-74-6. For laboratory research use only.
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12 products
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4 products
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11 products
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8 products
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24 products
Why CertaPeptides?
Quality and transparency at every step
HPLC & MS Verified
Every batch tested by third-party labs using HPLC and mass spectrometry.
COA Included
Certificate of Analysis shipped with every order — full transparency.
Fast EU Shipping
Free shipping on orders over €150. Delivery across 24 EU member states.
Research Grade
≥98% purity guaranteed. Trusted by thousands of customers across Europe.
What Our Customers Say
Trusted by thousands of customers across Europe
“Exceptional quality. The purity reports are thorough and consistent across every batch I've ordered. Fast shipping to Germany too — had my order in 3 days.”
Marcus T.
Berlin, DE
“Fast shipping to France, excellent packaging. The COAs are detailed and include full chromatograms — a level of transparency I haven't seen from other EU suppliers.”
Sophie R.
Lyon, FR
“Best EU peptide supplier I've used. Consistent quality, competitive pricing, and their customer support is actually helpful and knowledgeable. Highly recommend.”
Jan K.
Amsterdam, NL
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Research & Guides
Latest articles from our team
Peptide Guides
The Ultimate Guide to BPC-157
Comprehensive overview of BPC-157 research, mechanisms of action, and key studies.
February 28, 2026
Lab Protocols
How to Reconstitute Lyophilized Peptides
Step-by-step protocol for safe peptide reconstitution with bacteriostatic water.
February 25, 2026
Lab Protocols
Peptide Storage Guide: Temperature & Stability
Optimal storage conditions for lyophilized and reconstituted peptides.
February 20, 2026