Peptide Science, Explained
Mechanism first explainers on what peptides are, how receptor signaling works, how the incretin and growth hormone classes differ, and what purity and stability testing actually tells you.
What Are Peptides? A Plain English Explanation
Peptides are short chains of amino acids that act as signaling molecules in the body. Here is what that means in practical, research-relevant terms.
9 min read
How Peptides Work: Receptor Binding and Signaling Explained
Peptides do not act by magic. They work through the same receptor binding logic that governs most of cell biology. Here is the mechanism.
9 min read
Tirzepatide vs Semaglutide: Mechanism Comparison
Tirzepatide and semaglutide both act on the GLP-1 receptor, but their mechanisms diverge in an important way: dual agonism versus single agonism.
9 min read
Retatrutide vs Tirzepatide: Triple vs Dual Agonism
Retatrutide adds a third receptor pathway, glucagon receptor agonism, on top of the GIP and GLP-1 activity shared with tirzepatide.
9 min read
BPC-157 Research Explained: What the Animal Literature Shows
BPC-157 has a substantial animal research literature and a much thinner human data set. Here is what has actually been studied.
9 min read
Peptide Reconstitution Math: Understanding Concentration
A conceptual walkthrough of how reconstitution math turns a vial of lyophilized peptide and a volume of diluent into a known concentration.
9 min read
GLP-1 Receptor Agonists Explained: The Incretin Class
An overview of the incretin hormone class, how GLP-1 receptor agonists mimic natural gut signaling, and how the class has expanded to dual and triple agonists.
9 min read
Growth Hormone Secretagogues: GHRH Analogs vs Ghrelin Agonists
Growth hormone secretagogues fall into two mechanistic families, GHRH analogs and ghrelin receptor agonists, that are often studied together for combined effect.
9 min read
Peptide Purity and Certificates of Analysis: What the Data Means
A certificate of analysis reports HPLC purity and mass spectrometry identity data. Here is what those numbers actually measure and what they do not tell you.
9 min read
Lyophilization and Peptide Stability: Why Peptides Ship as Powder
Lyophilization removes water from a peptide solution under vacuum, producing a stable powder. Here is how the process works and why storage still matters.
9 min read
Research use only
All content on this page is general reference information for laboratory research contexts. It is not medical advice, is not intended to direct human use, and does not replace guidance from a licensed healthcare professional. Not for human consumption. Must be 18+.