For research purposes only
Research Library
Documentation on compound structure, mechanisms, analytical verification, and the research peptide market. Every article cites peer-reviewed literature and is written for research use only.
BPC-157 and the FDA 503A Bulks List: What the July 2026 Advisory Committee Vote Actually Means
A news analysis of the July 2026 FDA Pharmacy Compounding Advisory Committee vote recommending BPC-157 for the Section 503A Bulk Drug Substances List — the regulatory history, what the vote does and does not change, and the mechanism literature behind the most-discussed pentadecapeptide in research. For research purposes only.
Melanotan 2: Molecular Structure and Research Overview
A research overview of Melanotan 2, a synthetic cyclic heptapeptide analog of alpha-MSH studied as a nonselective melanocortin receptor agonist. Covers molecular structure, receptor pharmacology, and its role in pigmentation and energy-homeostasis research models. For research purposes only.
Follistatin: Molecular Structure, Activin Antagonism, and Myostatin Research Overview
A mechanistic deep-dive into Follistatin, covering its domain architecture, TGF-β superfamily antagonism, and why it is studied as a dual inhibitor of activin and myostatin signaling. For research purposes only.
Research Peptide Vendor Shutdowns in 2026: Who Closed, Who Is Still Operating, and How to Source Now
A factual look at the 2025-2026 wave of research peptide vendor closures, what drove it, which suppliers are confirmed shut down versus still operating, and the criteria researchers should apply when qualifying a replacement supplier.
Retatrutide (GLP-3): Molecular Structure, Receptor Pharmacology, and Research Overview
A research overview of retatrutide, a synthetic triple receptor agonist studied for its activity at the GIP, GLP-1, and glucagon receptors. Covers molecular structure, receptor pharmacology, and how it differs from single-target GLP-1 receptor agonists. For research purposes only.
TB-500 (Thymosin Beta-4 Fragment): Structure, Actin Regulation, and Research Overview
A research overview of TB-500, a synthetic peptide related to the actin-binding region of Thymosin Beta-4. Covers molecular structure, the relationship to native Thymosin Beta-4, actin regulation, and why it is studied alongside BPC-157 in tissue-repair research models. For research purposes only.
Best Peptide Sciences Alternative in 2026
Peptide Sciences shut down in 2026. Compare the top alternative for research peptides: ≥99% verified purity, third-party CoAs, and HPLC verification.
Peptide Sciences Shut Down: What Happened (2026)
Peptide Sciences closed with no warning on March 6, 2026. Here's what actually happened, why they shut down, and the vetted suppliers researchers moved to.
BPC-157 Molecular Mechanisms and In Vitro Findings: A Literature Review
Comprehensive study of BPC-157 molecular structure, signaling pathways, and regenerative biological mechanisms. Synthesis of peer-reviewed data and structural findings.
Thermal Stability of Research Peptides in Transit: A Scientific Review
How temperature drives peptide degradation during shipping. Hydrolysis, oxidation, deamidation, aggregation, moisture uptake, and the analytical methods that detect thermal damage.
GLP-1 Receptor Agonist Peptides: Molecular Pharmacodynamics and Research Application
Technical review of GLP-1 receptor agonist molecular mechanisms, binding affinity, and structural analogs. Analysis of current research models and peer-reviewed findings.
How to Verify Peptide Purity: HPLC and Mass Spec, Explained
How research peptide purity is verified: what HPLC and mass spectrometry measure, how to read the numbers, and the identity checks that separate a clean batch from a questionable one. For research purposes only.
How to Read a Peptide Certificate of Analysis (CoA)
Read a research peptide CoA line by line: HPLC purity, mass spec identity, endotoxin limits, and the red flags that signal a batch you should reject.
Neuroactive Peptide Profiles in Cognitive Research: Comparative Mechanisms of Semax, Selank, and Dihexa
Research-focused comparison of Semax, Selank, and Dihexa examining BDNF modulation, anxiolytic mechanisms, HGF/c-Met signaling, and neuroprotective findings in published literature.
Growth Hormone Secretagogue (GHS) Peptides: Comparative Research Specifications
Comparative analysis of GHS peptides including CJC-1295, Ipamorelin, Sermorelin, and Tesamorelin. Molecular weights, binding sequences, and published receptor findings.
Molecular Mechanisms of Longevity Peptides: Comparative Research on Epitalon, FOXO4-DRI, and GHK-Cu
Research comparison of Epitalon, FOXO4-DRI, and GHK-Cu examining telomerase activation, senescent cell clearance, and copper-peptide tissue remodeling in published scientific literature.
Comparative Pharmacodynamics of Metabolic Peptides: GLP-1, GIP, and Dual Agonist Research
A research-focused comparison of GLP-1, GIP, and dual GIP/GLP-1 agonist peptides including tirzepatide, examining receptor binding, metabolic mechanisms, and published research outcomes.
Quality Documentation Standards in Peptide Research: A Comparative Review
Critical assessment of quality documentation in the research peptide industry. Analysis of CLIA certification, GMP compliance, and Specification Standard requirements for research compound verification.
BPC-157, TB-500 & Epitalon: Structure and Sequence Compared
A side-by-side research comparison of BPC-157, TB-500, and Epitalon: amino acid sequences, molecular structure, and the signaling mechanisms studied in the literature. For research purposes only.