From the lab notes.
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AOD-9604: The hGH Fragment That Went to Clinical Trials
AOD-9604 is one of the few catalogue peptides whose story includes real human clinical trials – and the honest version of that story, including…
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DSIP: The Sleep Peptide Science Never Solved
Most research peptides have a mechanism and lack history. DSIP has fifty years of history and still lacks a mechanism – which is exactly…
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PT-141 (Bremelanotide): A Melanocortin Research Profile
PT-141 has something almost nothing else in a research-peptide catalogue has: a completed regulatory story. Under the name bremelanotide, this exact molecule was approved…
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MOTS-c: The Peptide Encoded Inside Your Mitochondria
MOTS-c broke a rule of biology textbooks: it is a peptide encoded not in the nucleus but inside the mitochondrial genome – hidden within…
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TFA vs Acetate: What a Peptide’s Counter-Ion Means
Two vials of the same peptide, same purity, same mass on the label, can behave differently in a sensitive assay for a reason most…
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Peptide Storage Temperatures: The Quick Reference
Most peptide-stability questions reduce to one table. Here is that table, followed by the reasoning behind each row – because knowing why is what…
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CJC-1295 and Ipamorelin: Why These Two Peptides Are Studied Together
CJC-1295 and ipamorelin appear together so often in research catalogues that they are easy to mistake for one compound. They are two unrelated peptides…
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GLP-1 and Multi-Agonist Peptides: Semaglutide to Retatrutide
No peptide family has drawn more scientific and public attention this decade than the incretin class – GLP-1 receptor agonists and their multi-receptor successors.…
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The Peptide Bond: Structure, Formation, and Why It Matters
Every peptide – and every protein – is held together by one repeating piece of chemistry: the peptide bond. Understanding it explains most of…
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Are Peptides Safe? The Honest Answer for Research Buyers
This is one of the most-searched questions about peptides, and most pages answering it are selling something the answer flatters. So here is the…
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Copper Peptides: The Science of GHK-Cu and AHK-Cu
Copper peptides are short amino-acid chains that bind a copper(II) ion and carry it as part of the molecule. The best-known member of the…
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Bacteriostatic Water vs Sterile Water for Peptide Reconstitution
Lyophilized peptides must be reconstituted before laboratory use, and the two standard diluents look identical on the shelf: bacteriostatic water and sterile water for…