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RESEARCH JOURNAL

Insights from the Lab

Plain-language guides on peptide purity, study design context, and the compounds most cited in modern research literature.

First Labs PH lyophilized research peptide vial with freeze-drying quality features

QUALITY · 6 MIN READ

Understanding Lyophilized Peptides

Freeze-drying is central to peptide stability, shelf life, and research reliability. A guide to what lyophilization means, how it works, and why it matters.

May 17, 2026READ →
First Labs PH BPC-157 research peptide vial with recovery and tissue research highlights

RECOVERY · 5 MIN READ

What Is BPC-157?

BPC-157 is one of the most recognized peptides in regenerative research. A guide to its proposed mechanisms, areas of study, and why purity matters.

May 17, 2026READ →
First Labs PH peptide lab report with HPLC chromatogram and mass spectrometry analysis

QUALITY · 6 MIN READ

How to Read a Peptide Lab Report

Learn how to evaluate peptide quality through COAs, HPLC chromatograms, and mass spectrometry — and the red flags every researcher should watch for.

May 17, 2026READ →
First Labs Retatrutide research peptide vial with GLP-1, GIP, and glucagon receptor diagram

METABOLIC · 6 MIN READ

Retatrutide Explained

A next-generation triple agonist targeting GLP-1, GIP, and glucagon receptors — and why Retatrutide is reshaping metabolic peptide research.

May 17, 2026READ →
First Labs GHK-Cu copper peptide research vial with molecular and laboratory background

REGENERATIVE · 6 MIN READ

What Is GHK-Cu?

The copper-binding tripeptide at the center of regenerative and cosmetic peptide research — collagen, skin, hair, and tissue repair pathways.

May 17, 2026READ →