Peptide Research Library

Science-backed educational resources on research peptides. Explore mechanisms of action, published studies, and compound overviews.

📖 Peptide Glossary A–Z 🔬 Research Library

CALM guides

The Researcher's Guide to Growth Hormone Secretagogues: GHRH Analogs, GHS-R Agonists, and Combination Protocols

A comprehensive guide to the two major GH secretagogue pathways — GHRH receptor and GHS receptor — their key compounds, synergistic interactions, and practical research considerations.

14 minMar 30, 2026

CALM guides

The Researcher's Guide to Longevity Peptides: Mechanisms, Evidence, and Practical Considerations

A comprehensive guide to peptides studied in aging biology — from mitochondrial-targeted compounds to senolytics to telomerase activators. Mechanisms, evidence quality, and sourcing considerations.

16 minMar 30, 2026

CALM guides

The Researcher's Guide to Recovery Peptides: BPC-157, TB-500, and Beyond

A comprehensive research overview of recovery peptides — their mechanisms, published findings, and how they compare. Covers BPC-157, TB-500 (Thymosin Beta-4), GHK-Cu, and multi-peptide blends.

15 minMar 30, 2026

CALM education

Peptide Storage and Handling: Best Practices for Research Compounds

Proper storage and handling of research peptides is critical for maintaining purity and experimental reproducibility. This guide covers lyophilized storage, reconstitution, and common degradation risks.

8 minMar 30, 2026

CALM education

Understanding Certificates of Analysis: What Every Peptide Researcher Should Know

A Certificate of Analysis (COA) is the primary quality document for research peptides. This guide explains how to read a COA, what to look for, and red flags that indicate unreliable documentation.

9 minMar 30, 2026

CALM education

Research Peptide Trends in 2026: What's Driving Growth in Peptide Science

The research peptide market continues to expand in 2026, driven by growth in longevity science, mitochondrial research, senolytic compounds, and copper peptide studies. Here's what's trending.

10 minMar 30, 2026

CALM skin

GHK-Cu Research: Why Interest in Copper Peptides Is Accelerating

GHK-Cu has experienced explosive growth in research interest, driven by landmark gene expression studies, cross-disciplinary applications, and its unique copper-binding mechanism.

8 minMar 30, 2026

CALM guides

Longevity Peptides: A Research Overview of Peptides Studied in Aging Biology

Longevity peptides target multiple hallmarks of aging — from mitochondrial dysfunction to telomere attrition to cellular senescence. This overview maps the research landscape.

11 minMar 30, 2026

CALM education

What Are Bioregulatory Peptides? Short Peptides and Gene Expression Research

Bioregulatory peptides are a class of short synthetic peptides (2–4 amino acids) studied for their proposed ability to interact with DNA and modulate tissue-specific gene expression in preclinical models.

9 minMar 30, 2026

CALM education

What Is a Peptide Bond? The Chemistry Behind Peptide Structure

A peptide bond is the covalent chemical bond that links amino acids together to form peptides and proteins. This article explains the chemistry of peptide bond formation, structure, and why it matters in research.

7 minMar 30, 2026

CALM education

What Is HPLC Testing? How Peptide Purity Is Measured

High-Performance Liquid Chromatography (HPLC) is the gold standard analytical method for determining peptide purity. This article explains how HPLC works and how to interpret results on a Certificate of Analysis.

9 minMar 30, 2026

CALM skin

GHK-Cu: Comparing 50mg and 100mg Research Concentrations

GHK-Cu is available in multiple concentrations for research use. This article examines the published literature on concentration-dependent effects and practical considerations for researchers.

8 minMar 30, 2026