Blog
Guides and reference points on reconstitution, storage and reading certificates of analysis, for research use only.
What Is a Peptide? Definition, Structure, and Use in Research
A peptide is a short chain of amino acids linked by peptide bonds. Understanding its structure, how it differs from a protein, and its lyophilized form is the starting point for any serious research.
What Is Retatrutide? An Explanation of the Triple Agonist
Retatrutide is the first peptide to simultaneously activate three metabolic receptors. This is what sets it apart from tirzepatide and semaglutide, and this is what the published literature actually reports.
What Is GHK-Cu? An Explanation of the Copper Tripeptide
Discovered in human plasma in 1973, GHK-Cu is one of the most extensively studied peptides in skin research. Its structure, its complex with copper, and what the literature actually says.
How to Reconstitute a Lyophilized Peptide in the Laboratory
Dissolving a lyophilized peptide is the step where the most batches are lost. Choosing the solvent, calculating the concentration, proper procedures, and mistakes that ruin a vial.
How to Read a Peptide Analysis Certificate
A certificate of analysis is not a sales pitch; it is experimental data. Here's how to interpret each section—and how to spot a document that proves nothing.