Compound deep-dive Semaglutide explained: the GLP-1 receptor agonist that defined the modern era. A 31-amino-acid synthetic peptide developed by Novo Nordisk. Three small engineering changes…

Compound deep-dive Tirzepatide explained: the dual GIP and GLP-1 receptor agonist. A 39-amino-acid synthetic peptide developed by Eli Lilly that simultaneously activates both incretin receptors.…

Compound deep-dive Selank: the underrated Russian anxiolytic peptide. A seven-amino-acid analogue of tuftsin. Thirty years of Russian-language clinical and preclinical research literature. Approved as a…

Compound deep-dive GHK-Cu explained: the blue copper peptide. Glycyl-histidyl-lysine bound to a single copper ion. First isolated from human plasma by Pickart in 1973. Fifty…

Research resource Are Research Peptides Legal in the UK? A plain-English 2026 guide to the UK regulatory framework for research-grade peptides. Covers the Misuse of Drugs…