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Research notes & catalog updates
What we're seeing in the literature, what's moving in the catalog, and the practical implications for anyone specifying research materials.
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Summer Heat and Research Peptides: Which Forms Break Down, Which Hold Up
Freeze-dried and dissolved peptides respond to heat in very different ways. The chemistry behind summer-transit degradation and the vial signs worth checking.
GHK-Cu: Five Decades of Copper Peptide Science
GHK-Cu from its 1970s discovery to current skin and matrix research: the copper chemistry behind it, what studies have tested, and practical lab handling.
Beyond Semaglutide: Amycretin, Ecnoglutide, Orforglipron and Survodutide Side by Side
Amycretin, ecnoglutide, orforglipron and survodutide side by side: receptor targets, peptide versus small molecule, and choosing the right research standard.
Growth Hormone Secretagogues Mapped: CJC-1295, Ipamorelin, Sermorelin and Relatives
Two separate mechanisms: GHRH analogs versus ghrelin receptor agonists. Their structures, molecular weights, selectivity and the confusing CJC-1295 naming.
Retatrutide in 2026: What the Published Phase-3 Evidence Actually Shows
Retatrutide in 2026: what published phase-2 and TRIUMPH phase-3 data really showed, how this triple agonist works, and which answers are still outstanding.
CagriSema Explained: The Research Logic of Combining Cagrilintide and Semaglutide
The case for combining cagrilintide with semaglutide: amylin receptor biology, the CagriSema trial record, fixed-ratio blends and reading a two-component COA.
Vetting a Research Peptide Supplier in 2026: 9 Checks That Really Count
Nine document checks that separate a serious peptide supplier from a relabeller: per-lot COAs, MS identity, net content, traceable batches and clean labels.
BPC-157 in 2026: Where the Research Is Strong and Where It Is Missing
A candid overview of the BPC-157 literature in 2026: the rodent and in-vitro studies that exist, the human data that do not, and where regulators stand.
Inside KLOW, GLOW and Wolverine: How These Recovery Blends Are Put Together
What KLOW, GLOW and Wolverine research blends really contain, why their mass ratios are misleading, and how to read a multi-component peptide COA properly.
Reading a Peptide Certificate of Analysis the Way an Analytical Chemist Does
How an analytical chemist reads a peptide COA: HPLC method details, charge-state arithmetic on the mass spectrum, net peptide content and the warning signs.
TB-500 and Thymosin Beta-4: Why a Fragment Cannot Stand In for the Whole Protein
TB-500 is a small acetylated fragment; thymosin beta-4 is a 43-residue protein that most studies actually used. How to tell which one a vial really holds.
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The guides section covers individual molecules, head-to-head comparisons, handling and the documentation that should accompany a lot.