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RQS Scoring Log

TB-500

Recovery & Performance· Animal Only· Scored May 2026· View compound profile →
41 /100
Limited Evidence
7 dimensions · 100 points total · Methodology by PeptideClear
Dimension Breakdown
DimensionScoring NotesScore
Study Design
Animal studies in rodent and equine models for wound healing, cardiac repair, and tissue regeneration. Some equine veterinary use. No human RCTs published. Animal only.
5 / 25
Sample Size
No human efficacy participants. Animal cohorts typically small.
4 / 20
Replication
Thymosin beta-4 (the parent molecule) research replicated across multiple academic groups — RegeneRx Pharmaceuticals, NIH-funded labs, and independent university groups. TB-500 as synthetic fragment benefits from thymosin beta-4 literature.
10 / 20
Journal Impact Factor
Thymosin beta-4 publications include papers in PNAS (IF ~11), Annals of the New York Academy of Sciences, and Journal of Cell Biology. Parent molecule has strong journal placement.
8 / 15
Funding Independence
NIH-funded academic work on thymosin beta-4 is substantial. RegeneRx Pharmaceuticals (developer) has some involvement but meaningful independent academic base.
7 / 10
Population Diversity
Animal only. Not applicable.
5 / 5
Researcher h-Index
Hynda Kleinman (NIH) and Allan Goldstein (GWU) — both prominent researchers with h-Indexes 40+. TB-500/thymosin beta-4 has serious researchers behind it. Capped at 5.
2 / 5
Animal Only Note
This score reflects evidence in humans. Animal and in vitro evidence may be substantially stronger than the score suggests — this compound has not yet been studied in human trials.