Sermorelin is a 29-amino-acid fragment of GHRH; tesamorelin is the full 44-amino-acid hormone with a stabilising cap. Here is how they compare, in plain English.
A peptide bond is the covalent C–N link that joins one amino acid to the next, formed by a condensation reaction that releases water. Here is how it works, in plain English.
What not to mix with copper peptides like GHK-Cu: acids, chelators, vitamin C and oxidisers, explained in plain English. For laboratory research use only.
The BPC-157 amino acid sequence is GEPPPGKPADDAGLV: 15 residues, ~1419.5 g/mol. What it means and how to check it on a COA. For laboratory research use only.
Full documentation of Peptides Lab UK’s quality standards: independent third-party HPLC, mass-spectrometry identity confirmation, endotoxin quantification, batch-specific COA, cold-chain shipping, and chain-of-custody protocols. 2026 UK research-grade SOP reference.
Survodutide: plain-English summary of published research, mechanism, evidence limits and laboratory handling. For laboratory research use only.
UK laboratory research reference on cagrilintide (long-acting amylin analogue) and CagriSema (cagrilintide + semaglutide combination): receptor pharmacology, REDEFINE-1 and REDEFINE-2 Phase 3 data, comparison with GLP-1 mono-agonists, protocol design. 2026 research-grade reference.
Melanotan-2 MT-II: plain-English summary of published research, mechanism, evidence limits and laboratory handling. For laboratory research use only.
How to calculate peptide concentration after reconstitution: mass, volume and mg/mL maths with worked examples for laboratory preparation. Research only.
PT-141 Bremelanotide: plain-English summary of published research, mechanism, evidence limits and laboratory handling. For laboratory research use only.
Comprehensive UK reference on why independent third-party HPLC and mass-spectrometry testing is the industry gold standard for research-grade peptides, what a defensible Certificate of Analysis looks like, and what red flags to avoid. 2026 buyer’s reference.
Research-use-only literature review of Tirzepatide: receptor pharmacology, preclinical data and published clinical-trial findings, with verified references.
