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The things nobody explains before you buy
How to read a chromatogram. What the other one percent in a ninety nine percent pure vial actually is. Why a generic certificate of analysis is worth nothing. Written to be useful whether or not you ever order from us.
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How to Read a Peptide Certificate of Analysis
A line by line guide to peptide COAs: reading the chromatogram, checking the mass, understanding the purity figure, and spotting a recycled document.
12 min read
Fundamentals
Quality and testing
HPLC vs Mass Spectrometry: What Each Test Actually Proves
Chromatography measures homogeneity, mass spectrometry measures identity. What each proves, what it cannot see, and why one without the other is incomplete.
10 min read
What Purity Percentage Actually Means
98, 99, 99.5 percent: what the number measures, what the remaining fraction contains, and why net peptide content is an entirely different figure.
11 min read
How to Evaluate a Research Compound Supplier
Batch-specific documentation, testing independence, synthesis origin, shipping practice, and the questions that separate real analytics from marketing.
11 min read
Laboratory practice
Reconstitution and Handling in the Laboratory
Laboratory practice for reconstituting lyophilized peptides: diluent selection, concentration math, avoiding shear and foaming, aliquoting, and labeling.
10 min read
Peptide Storage, Stability, and Degradation
How lyophilized and reconstituted peptides degrade, what temperature, light, oxygen, and freeze-thaw cycles do, and how to recognize material that has changed.
10 min read
Compound guides
Tissue Repair and Recovery Compounds: A Research Overview
A literature-level survey of BPC-157, TB-500, GHK-Cu, and KPV: proposed mechanisms, what the preclinical record shows, and where the evidence stops.
10 min read
Longevity and Metabolic Research Compounds: An Overview
NAD+, MOTS-c, Epithalon, SS-31, and GLP-3R examined at the level of the literature: proposed mechanisms, evidence tiers, and what remains untested.
10 min read