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Primal Platform

Scientific knowledge base

Classify peptides scientifically.

Search structured peptide profiles by molecule class, research area, evidence level, development stage and regulatory status. Product listings and scientific classification remain deliberately separate.

This database is an information and classification system. It provides no dosing, sourcing or administration recommendations.

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P-003 Preclinical

Synthetic peptide

TB-500

Thymosin beta-4 fragment; Ac-LKKTETQ

TB-500 commonly refers to a short synthetic fragment related to thymosin beta-4; commercial labels and actual molecular identity are not always consistent.

Regulatory status
Not generally authorised
Scientifically reviewed
01.08.2026