Research Journal
Evidence-tiered, primary-source articles on peptide history, mechanisms, and regulatory literacy — written to the same standard as the Peptide Research Guide.
What Is CJC-1295? Mechanism and Evidence
CJC-1295 is a synthetic GHRH analog that binds albumin to extend its half-life to 5–8 days. Evidence overview, DAC vs. non-DAC distinction, pharmacokinetics, and regulatory status.
What Is Bacteriostatic Water? The Chemistry
Bacteriostatic water is sterile water containing ~0.9% benzyl alcohol. Learn the chemistry of how benzyl alcohol inhibits bacterial growth and why it matters for multi-use research...
What Is a Peptide? A Clear Definition
A peptide is a short chain of amino acids joined by peptide bonds, typically 2–50 residues. Learn how peptides differ from proteins, how they signal, and...
Peptide Vial Chemistry: The Science of Stability
Why research peptides are lyophilized, how solvent chemistry and pH affect stability, and the four degradation pathways that break peptides down — analytical chemistry explained.
Tissue Repair Peptides: A Research Overview
An evidence-tiered overview of the tissue repair peptide category: BPC-157, TB-500 (Thymosin β4), GHK-Cu, and KPV — shared mechanisms, evidence landscape, and regulatory status.
How to Read Evidence Tiers in Peptide Research
Evidence tiers explained: how to interpret the hierarchy from human RCTs to in vitro data, what clinical trial phases mean, and the Legendary Labz 4-tier framework.
The History of Peptides: From Insulin to the Modern Era
A documented history of peptide science — from Banting and Best's 1921 insulin discovery to Merrifield's synthesis breakthrough and today's GLP-1 research era.
GLP-1 & Metabolic Peptides: A Research Overview
How the incretin system works — GLP-1, GIP, and glucagon signaling — and the progression from single to dual to triple receptor agonists in metabolic research.
What Is Ipamorelin? Mechanism and Evidence
Ipamorelin is a selective GHS-R1a agonist studied for pulsatile growth hormone release. Mechanism, selectivity vs. older GHRPs, preclinical evidence, FDA status, and WADA classification.
What Is GHK-Cu? The Copper Peptide Science, Explained
GHK-Cu (glycyl-L-histidyl-L-lysine-copper) is a naturally occurring tripeptide studied for collagen remodeling, gene expression modulation, antioxidant activity, and wound healing. Evidence overview and regulatory status.