Immune & Gut Health

What Is Larazotide Acetate? Tight-Junction Research and What the Phase 3 Trial Showed

Larazotide acetate (AT-1001, also designated INN-202) is a synthetic eight–amino–acid peptide — sequence Gly-Gly-Val-Leu-Val-Gln-Pro-Gly — structurally related to the Vibrio cholerae zonula…

What Is VIP (Vasoactive Intestinal Peptide)? Receptors, Half-Life and the Clinical Trial Record

VIP (vasoactive intestinal peptide) is a 28-amino-acid endogenous neuropeptide of the secretin/glucagon superfamily that signals mainly through two class B G-protein-coupled receptors,…

Thymosin Alpha-1 vs Thymosin Beta-4: Two Unrelated Peptides With a Shared Name

Thymosin alpha-1 and thymosin beta-4 are not two versions of the same molecule. They are two structurally unrelated peptides that ended up…

KPV Side Effects: What the Research Actually Shows

There is no controlled human clinical trial of KPV, so there is no established human side-effect profile — and that is not…

What Is Chonluten? The Respiratory Bioregulator Peptide Explained

Chonluten is sold as the lung member of the Khavinson “peptide bioregulator” family — a tripeptide reported as Glu-Asp-Gly (EDG), marketed for…

Vilon Dosage & Reconstitution: A Research Reference for the KE Dipeptide

The central question behind almost every search for vilon dosage is deceptively simple: how much of a Lys-Glu (KE) dipeptide would a…

Thymosin Alpha-1 Dosage: Protocol, Reconstitution & Cycle

The dosing figure that actually appears in the published trials is 1.6 mg subcutaneously, twice weekly — the regimen given for 26…

KPV Dosage: Oral vs SubQ, Units & How Long to Cycle (2026)

The question that brings most people to KPV peptide dosage is deceptively simple: how many micrograms, by which route, and how do…

What Is Thymalin? The Thymic Peptide Bioregulator and Immune Research Explained

Thymalin is one of the most frequently searched “thymic peptide” preparations in the peptide-research community, yet it is also one of the…

Crystagen Peptide: Benefits, Dosage & the Evidence (2026)

Crystagen is a synthetic tripeptide — glutamic acid–aspartic acid–glycine (Glu-Asp-Gly, abbreviated EDG) — sold as an immune-system “bioregulator” in the Khavinson family…