Peptide University
The plain-English peptide learning center. Start anywhere — every module is self-contained, beginner-friendly, and includes a Dr. Jay Explains callout.
- 5 min read
What Is A Peptide?
The simplest possible explanation of what peptides actually are.
- 6 min read
How Peptides Work
Receptor binding, signal cascades, and why specificity matters.
- 4 min read
Peptides vs Proteins
Same building blocks, very different jobs.
- 5 min read
What Are Receptors?
Cells listen to the outside world through receptors.
- 5 min read
What Is A Half-Life?
Why some peptides hit fast and disappear and others linger for days.
- 6 min read
What Is A Growth Hormone Secretagogue?
The peptides that ask your pituitary nicely instead of replacing GH directly.
- 6 min read
What Is A GLP-1?
The incretin behind semaglutide, tirzepatide, and the modern obesity-research wave.
- 5 min read
What Is A Mitochondrial Peptide?
Tiny peptides written into your mitochondrial DNA.
- 5 min read
What Is A Bioregulator Peptide?
Soviet-era short peptides studied for tissue-specific gene regulation.
- 5 min read
What Is A Senolytic?
Compounds that clear out 'zombie cells' that won't die on their own.
- 5 min read
What Is Neuroplasticity?
Your brain rewires itself — and some peptides help that process.
- 6 min read
How Are Peptides Manufactured?
Solid-phase synthesis, purification, and what 'research-grade' really means.
- 4 min read
What Is Third-Party Testing?
Why an independent lab matters more than the manufacturer's own data.
- 4 min read
What Is Peptide Purity?
What '98% HPLC' actually means and why the other 2% matters.
- 6 min read
An Introduction to Peptide Research
Where peptides came from, why they exploded, and where the field is going.
- 5 min read
Understanding Certificates of Analysis (COAs)
What a CoA contains and how to actually read one.
- 5 min read
What Is GIP?
Glucose-dependent insulinotropic polypeptide and its role in metabolism.
- 5 min read
What Is Glucagon?
The hormone that raises blood sugar and balances insulin.