BPC-157 vs TB-500: what actually differs
A side-by-side comparison of BPC-157 and TB-500 — origin, size, mechanism in the literature, and why the two are so often studied together.
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Research Guides
Reference material on handling, storage and the differences between the compound classes we stock. Written for people working at a bench, not for search engines.
How to reconstitute lyophilized research peptides
Laboratory procedure for reconstituting lyophilized peptides: solvent choice, the concentration calculation, technique that avoids degradation, and aliquoting.
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Peptide storage and stability: what actually degrades product
Storage temperatures for lyophilized and reconstituted peptides, the four degradation pathways that matter, and which handling habits cause the most avoidable loss.
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How to read a peptide certificate of analysis
What each section of a peptide COA means — HPLC purity, mass spectrometry confirmation, batch number, water content — and which claims a COA does not support.
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GHRH analogues vs growth hormone secretagogues
The difference between GHRH analogues such as Sermorelin, CJC-1295 and Tesamorelin and ghrelin-receptor secretagogues such as Ipamorelin, GHRP-2 and GHRP-6.
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Copper peptides: GHK-Cu vs AHK-Cu vs copper-free GHK
How the copper tripeptides differ, why the copper ion is integral rather than incidental, and when to choose the copper-free form instead.
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Peptide research glossary
Plain definitions of the terms used across peptide product listings and certificates of analysis — lyophilized, HPLC purity, DAC, retro-inverso, secretagogue and more.
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