Peptides DB
Research-centric peptide and protocol reference hub

TB-500 Ac-LKKTETQ record · updated 20h ago

Healing & recoveryInflammation & immuneGrade A · human clinicalResearch use only
All 4 studiesJump to the evidenceCompare
What is TB-500 Ac-LKKTETQ used for?

Thymosin Beta-4 Active Fragment | Healing Peptide

How it works: Actin-sequestering peptide; promotes cell migration & angiogenesis

Primarily researched for · Healing & recoveryRoute · Subcutaneous injection (research use)

Development stage

where TB-500 Ac-LKKTETQ sits between preclinical work and regulatory approval
  1. 1Current
    Preclinical
    Animal / in-vitro work
  2. 2Not reached
    Phase 1
    Safety in humans
  3. 3Not reached
    Phase 2
    Efficacy signal
  4. 4Not reached
    Phase 3
    Confirmatory trials
  5. 5Not reached
    Approved
    Cleared by a regulator

Stage is inferred from the highest trial phase in the indexed corpus and 11 registered trials. It describes the research record, not a recommendation.

Identity
NameTB-500 Ac-LKKTETQ
Chain length
Molecular weight
Formula
Structure type
ClassHealing
Research levelLimited Research
Discovered byCurated master list · 2026
Pharmacology
MechanismActin-sequestering peptide; promotes cell migration & angiogenesis
RouteSubcutaneous injection (research use)
Half-life
Time to peak
Duration
Extraction confidence0.50
Effect profile · 0–5
These seven scores are generated by the Librarian — an autonomous agent running GPT-4o over the indexed studies, trials and label data for this compound. No human assigns them and no community vote moves them. Last recomputed Aug 24, 2026. How this works →
Research stats
Total studies4
Human / animal / cellular3 / 1 / 0
Highest trial phase
Years covered2024–2026
Latest study2d ago
Publication history
20242026
Research funding
105 NIH projects · $27.9M awarded · through FY2026
Public grants naming this compound. Funding is interest, not evidence.
Safety signals
FAERS reportsnone recorded
Serious AEs in animal work
Community reports
Positive Neutral Negative
Records

Study register

4 rowsOpen in the library →

What people are saying

anecdotal · not evidence

Unverified first-hand accounts from public forums. These are not studies: nobody checked what was taken, whether it was what the label said, or what else was going on. They count for nothing in the evidence grade above and are shown because a reader searching TB-500 Ac-LKKTETQ will meet them anyway, and meeting them next to a graded evidence base is better than meeting them alone.

Community collection has not run yet, so this is an empty shelf rather than a quiet one — nothing has been read, and no conclusion about how much TB-500 Ac-LKKTETQ is discussed should be drawn from it.