# TB-500 FAQ: Mechanism, Safety, Legal Status, and the Evidence

> TB-500 FAQ — direct, cited answers on what TB-500 is, how it works, whether it is safe, the tumor/angiogenesis signal, the WADA and FDA 503A status, and what the research does and does not show.

Plain, cited answers about TB-500 — what it is, how it works, what it has been studied for, what the safety signals are, and where its legal and anti-doping status stands. Each answer is grounded in a study or an authoritative source.

## Identity and mechanism



## What TB-500 has been studied for



## Efficacy and evidence



## Safety and risk



## Legal status and anti-doping



---

A depth-layered reading of the TB-500 and thymosin beta-4 record — the seven-mer kept distinct from its full-length parent, the human-trial gap surfaced first, and no clinic, vendor, or prescription anywhere in the void.