Exact claim · Version 1 · Reviewed 2026-07-23
“TB-500 is the same thing as thymosin beta-4.”
A verdict on this wording and scope, not a universal grade for TB-500.
01 · Verdict
Misleading
FDA describes TB-500 as a seven-amino-acid fragment of the much larger thymosin beta-4 molecule.
- Evidence basis
- Regulatory or product record
- Scope
- Chemical identity, not a claim about all possible biological activity.
- Category
- Mechanism and biomarkers
02 · Primary record
Check the attached evidence
- Editorial review
- Internal editorial review recorded
- Responsible editor
- Anthony Treviso · Founder and responsible editor
- Clinical-review boundary
- Not independently medically reviewed.