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 Sermorelin? Mechanism and Evidence

Sermorelin is a synthetic GHRH(1-29) analog that acts as a GHRH receptor agonist at the pituitary. Mechanism, history, regulatory status, and the evidence base, research reference…

Jul 2026 · 9 min read
Testing & Methods

What Is Semax? Mechanism and Evidence Explained

Semax is a synthetic analog of the ACTH(4-10) fragment studied in Russian research for BDNF/NGF upregulation, neuroprotection in ischemia models, and neurotrophic effects. Evidence overview.

Jul 2026 · 9 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
Testing & Methods

What Is Kisspeptin? HPG Axis Mechanism & Evidence

Kisspeptin (KISS1/KISS1R) regulates GnRH neurons and the HPG axis, studied in reproductive neuroendocrinology. Mechanism, human studies, and status.

Jul 2026 · 10 min read
Testing & Methods

Amino Acid Sequencing: Edman Degradation vs MS/MS

COA & Testing Amino Acid Sequencing: Edman Degradation vs MS/MS Evidence-Tiered5 min readResearch use only Quick AnswerTwo methods read a peptide's amino acid sequence. Edman degradation…

Jul 2026 · 4 min read
Testing & Methods

HPLC Purity vs Mass Spec Identity: What Each Proves

COA & Testing HPLC Purity vs Mass Spec Identity: What Each Proves Evidence-Tiered5 min readResearch use only Quick AnswerHPLC and mass spectrometry are not interchangeable. HPLC…

Jul 2026 · 4 min read
Testing & Methods

How to Read a Peptide Certificate of Analysis (COA)

COA & Testing How to Read a Peptide Certificate of Analysis (COA) Evidence-Tiered4 min readResearch use only Quick AnswerA peptide Certificate of Analysis documents the results…

Jul 2026 · 4 min read