Peptide Basics

Soft pastel laboratory illustration showing two colorful ball-and-link peptide-like chains floating beside a magnifying glass over an unlabeled document, with a blurred microscope and test tubes in the background.

Thymosin Beta 4 vs TB-500: Evidence and Mechanism Explained

John / September 15, 2026

Thymosin beta-4 and TB-500 are related but distinct peptides. Here is what human studies, FDA materials, and anti-doping rules actually establish.

Conceptual illustration of two large rounded cells, with glowing yellow signal particles traveling from the blue cell on the left toward a receptor-shaped opening on the peach cell on the right.

Peptide Basics

What Are Peptides? A Plain-English Guide to the Signals Your Body Uses

John / September 12, 2026

Peptides are chains of amino acids, but that simple definition covers molecules with very different roles. Here is how peptide structure, processing, receptors, digestion, and medical evidence fit together.