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Research articles

Learn about the mechanisms, benefits, and latest findings in peptide research.

Research Methods

The Importance of Comprehensive Testing: Purity, Amount, Endotoxin, Heavy Metals and Sterility

A purity percentage is only one part of a peptide's analytical profile. Learn what five complementary tests reveal.

Research Methods

GHK-Cu and AHK-Cu: What Changes When One Amino Acid Changes?

Two closely related copper tripeptides, different research histories.

Weight Management

Tirzepatide: The Dual GIP/GLP-1 Receptor Agonist

Understanding Tirzepatide's activity at two incretin receptors.

Weight Management

Retatrutide: The Triple Agonist Redefining Metabolic Research

A deep dive into the first-in-class GLP-1/GIP/glucagon triple receptor agonist.

Weight Management

Semaglutide: A Comprehensive Research Overview

Exploring the mechanisms and research applications of the GLP-1 receptor agonist Semaglutide.

Weight Management

Semaglutide, Tirzepatide and Retatrutide: Single, Dual and Triple Receptor Agonism

Understand the receptor targets, trial designs and evidence status behind three widely discussed molecules.