Free Shipping on orders over $150

Research Library

Methodology, trial data, and compound reference. Indexed to the primary literature. Free to read.

Testing & Methods

What Is Retatrutide? Mechanism and Evidence Explained

Retatrutide (LY3437943) is an investigational triple agonist of GIP, GLP-1, and glucagon receptors in Phase 2/3 trials. Evidence summary, pharmacology, and regulatory status.

Jul 2026 · 9 min read
Testing & Methods

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.

Jul 2026 · 8 min read
Testing & Methods

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.

Jul 2026 · 9 min read
Testing & Methods

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.

Jul 2026 · 13 min read
Testing & Methods

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.

Jul 2026 · 13 min read
Testing & Methods

What Is BPC-157? The Science and Evidence, Explained

BPC-157 is a synthetic 15-amino acid peptide studied in rodent models for tissue repair, angiogenesis, and cytoprotection. Evidence overview, mechanisms, and regulatory status.

Jul 2026 · 6 min read
Testing & Methods

What Is Selank? Mechanism and Evidence

Selank is a synthetic heptapeptide analog of tuftsin studied in preclinical models for GABAergic signaling, BDNF expression, and immunomodulation. Mechanisms, evidence tier, and regulatory status.

Jul 2026 · 9 min read
Testing & Methods

Certificate of Analysis Explained: Peptide CoA Guide

What a peptide CoA documents: identity (mass spec), HPLC purity, net content, moisture, counter-ion, and endotoxin, and how to evaluate third-party testing.

Jul 2026 · 15 min read
Testing & Methods

Aseptic Technique in Peptide Handling: Lab Fundamentals

Peptide aseptic technique: contamination sources, laminar flow, vial handling, bacteriostatic vs. sterile water, and how contamination invalidates research.

Jul 2026 · 15 min read
Testing & Methods

BPC-157 vs TB-500: Mechanism and Evidence Comparison

BPC-157 and TB-500 differ fundamentally: BPC-157 acts via VEGF/NO pathways; TB-500 via actin sequestration. Both are preclinical-only Tier 2 compounds.

Jul 2026 · 11 min read
Testing & Methods

What Is Thymosin Alpha-1? Science & Evidence

Thymosin Alpha-1 (thymalfasin) is a 28-aa thymic peptide immune modulator approved as Zadaxin in multiple countries, studied in hepatitis, sepsis, and cancer contexts.

Jul 2026 · 12 min read
Testing & Methods

What Is MK-677 (Ibutamoren)? Mechanism and Evidence

MK-677 (ibutamoren) is an orally active ghrelin-receptor agonist studied for GH/IGF-1 elevation. Mechanism, human trial evidence, WADA status, and regulatory overview.

Jul 2026 · 10 min read