https://lab77peptides.uk/blog/ 2026-06-10T09:00:00Z Lab77 Peptides https://lab77peptides.uk/blog/tb-500-the-thymosin-beta-4-fragment-explained 2026-05-12T09:00:00Z 2026-05-12T09:00:00Z

TB-500, the synthetic actin-binding fragment of Thymosin Beta-4. Chemistry, the LKKTET motif, Goldstein literature, fragment vs full-protein chemistry, COA checks, supplier red flags. UK research-grade.

https://lab77peptides.uk/blog/semaglutide-the-glp1-receptor-agonist-explained 2026-05-10T09:00:00Z 2026-05-10T09:00:00Z

Semaglutide, the 31-amino-acid GLP-1 receptor agonist from Novo Nordisk. Chemistry, the SUSTAIN and STEP trials, the SELECT cardiovascular data, COA checks, supplier red flags. UK research-grade.

https://lab77peptides.uk/blog/bpc-157-the-most-researched-peptide-explained 2026-05-06T09:00:00Z 2026-05-06T09:00:00Z

BPC-157, the body-protective pentadecapeptide isolated by Sikiric at Zagreb in the 1990s. Chemistry, the literature, gastric stability, COA checks, supplier red flags. UK research-grade.

https://lab77peptides.uk/blog/retatrutide-the-triple-agonist-explained 2026-05-06T09:00:00Z 2026-05-06T09:00:00Z

Retatrutide, the 39-amino-acid GIP / GLP-1 / glucagon triple-receptor agonist developed by Eli Lilly. Chemistry, the Phase 2 NEJM data, TRIUMPH trial programme, COA checks, supplier red flags. UK research-grade.

https://lab77peptides.uk/blog/tirzepatide-the-dual-gip-glp1-receptor-agonist-explained 2026-05-06T09:00:00Z 2026-05-06T09:00:00Z

Tirzepatide, the 39-amino-acid dual GIP and GLP-1 receptor agonist developed by Eli Lilly. Chemistry, the SURPASS and SURMOUNT trials, COA checks, supplier red flags. UK research-grade.

https://lab77peptides.uk/blog/selank-the-underrated-russian-anxiolytic-peptide 2026-05-02T09:00:00Z 2026-05-02T09:00:00Z

Selank, the tuftsin-analogue heptapeptide from the Russian Academy of Medical Sciences. 30+ years of research, GABAergic modulation, intranasal route. UK research-grade.

https://lab77peptides.uk/blog/ghk-cu-the-blue-copper-peptide-explained 2026-05-01T09:00:00Z 2026-05-01T09:00:00Z

GHK-Cu, the blue copper tripeptide isolated by Pickart in 1973. Chemistry, the literature, why the powder is cobalt blue, COA checks, red flags. UK research-grade.

https://lab77peptides.uk/blog/how-to-read-janoshik-hplc-report 2026-04-29T09:00:00Z 2026-04-29T09:00:00Z

An annotated walkthrough of a real Janoshik Analytical Certificate of Analysis. What every line means, how to verify the batch independently, and how to spot a fake report.

https://lab77peptides.uk/blog/spot-a-fake-research-peptide-supplier 2026-04-29T09:00:00Z 2026-06-10T09:00:00Z

A 12-point checklist for vetting any UK research-peptide supplier, written by a UK supplier. Companies House, Janoshik, HPLC reports, payment red flags, customs warning signs.