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.
99%+
Purity Guaranteed
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Fast Dispatch
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Happy Customers
Our Peptides
Highest purity compounds — every batch third-party verified
Tirzepatide
High-purity Tirzepatide dual GIP and GLP-1 receptor agonist (5mg). ≥98% HPLC purity. CAS: 2023788-19-2. Lyophilized powder with COA. For laboratory research use only.
Semax
High-purity Semax synthetic analogue of ACTH(4-10) neuropeptide (5mg). ≥98% HPLC purity. CAS: 80714-61-0. Lyophilized powder with COA. For laboratory research use only.
Semaglutide
High-purity Semaglutide GLP-1 receptor agonist analogue (5mg). ≥98% HPLC purity. CAS: 910463-68-2. Lyophilized powder with COA. For laboratory research use only.
CJC-1295 DAC
High-purity CJC-1295 DAC modified growth hormone releasing hormone analogue with Drug Affinity Complex (2mg). ≥98% HPLC purity. CAS: 863288-34-0. Lyophilized powder with COA. For laboratory research use only.
GHK-Cu
High-purity GHK-Cu copper peptide (50mg). ≥98% HPLC purity. CAS: 49557-74-6. Lyophilized powder with COA. For laboratory research use only.
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Accessories
5 products
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13 products
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6 products
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6 products
Growth Factors
15 products
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12 products
Immune Research
4 products
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2 products
Nootropic Peptides
12 products
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5 products
Peptides
11 products
Reproductive Research
6 products
SARMs
8 products
Weight Loss Research
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