AnimalNot human evidence

Published work on thymosin beta-4, the parent protein of TB-500

Placeholder seed record. This literature concerns thymosin beta-4, the full parent protein — not the fragment sold as TB-500. Vendors frequently cite this body of work when listing TB-500; the two are not the same molecule, and evidence about one is not evidence about the other.

What this study can establish

This is animal work. It describes what happened in that model. It cannot establish an effect in people, and any claim that cites it as evidence of a human outcome is overstating what the paper reports.

Cited by

TB-500
What the research on TB-500 actually shows
Almost all literature cited for TB-500 concerns thymosin beta-4, the full parent protein — not the fragment sold under the TB-500 name. This distinction is the whole story for this compound. A vendor citing thymosin beta-4 research on a TB-500 product page is citing work about a different molecule, and the indexed literature contains no controlled human trial of the fragment as sold.

Compounds examined

TB-500

Study records state what a paper reported. PepIndex does not interpret findings, assess clinical significance, or restate results in language implying an application not present in the source. Last reviewed 23 Jul 2026.