Immune & Gut Health

Peptides and the Gut Barrier: What Research Says About Intestinal Permeability

No peptide is an approved treatment for a “leaky gut”, and almost everything published on peptides and the intestinal barrier is preclinical…

Thymosin Beta-4 vs TB-500: Are They the Same Peptide? (2026)

Short answer: not reliably. Thymosin Beta-4 (Tβ4) is a defined 43-amino-acid protein with a peer-reviewed literature behind it. “TB-500” is a research-market…

What Is LL-37? Effects, Immune Role and Safety Explained

LL-37 is the only cathelicidin the human body makes. It is a 37-amino-acid peptide cut from a precursor called hCAP18, released by…

What Is Thymosin Alpha-1? Immune Modulation & the Research

Among the dozens of peptides circulating in research and wellness discussions, Thymosin Alpha-1 (Tα1) occupies an unusual position: it is one of…

What Research Says Regarding BPC 157 Healing Effects on the Gut and Inflammation?

The question in the title carries an assumption worth pausing on before we chase the evidence: it presumes there is a settled…

What Is Vilon? A Guide to the Lysylglutamic Acid Peptide

Vilon is one of the smallest molecules that has ever been described as a “peptide bioregulator.” Chemically, it is nothing more than…

What is KPV? The Anti-Inflammatory Peptide for Gut, Skin, and Beyond

KPV is a three-amino-acid fragment of the hormone alpha-MSH — lysine–proline–valine — and it is studied for one thing above all: calming…