What is TB-500?
TB-500 commonly denotes research peptides modeled after thymosin beta-4 domains studied for cytoskeletal remodeling and tissue repair assays. Literature citations span cardiac injury models, dermal wound assays, and ophthalmic repair frameworks.
Research areas & preclinical findings
Actin cytoskeleton literature
Thymosin beta-4 interacts with monomeric actin pools—bench assays measure filament dynamics after staged injuries.
Orthopedic repair models
Rodent tendon and ligament lesion protocols quantify biomechanical recovery—strain and species drive variability.
Cardiac injury research
Infarct-border remodeling publications examine peptide intervention timing vs sham controls—interpret cautiously across species.
Published research (selection)
| Study | Journal | Year | DOI | Finding (summary) |
|---|---|---|---|---|
| Thymosin beta-4 cardiovascular reviews | Ann N Y Acad Sci | 2015 | link | Mechanistic synthesis—not supplier QA. |
| Wound healing assays cluster | Wound Repair Regen | 2012 | link | Model-dependent efficacy. |
| Ophthalmology applications | Invest Ophthalmol Vis Sci | 2016 | link | Specialized surgical contexts. |
| Orthopedic rodent studies | J Orthop Res | 2014 | link | Biomechanical endpoints vary by defect size. |
| ClinicalTrials.gov TB4 searches | Registry | 2026 | link | Human trial listings distinct from catalog SKUs. |
Important Disclaimer
All products and information on this page are intended strictly for laboratory and scientific research use only. Not for human consumption. These statements have not been evaluated by the FDA.
Quality & documentation
Because peptide vendors sell distinct chain lengths, COAs must explicitly confirm sequence identity relative to your assay plan.
Storage & reconstitution (laboratory protocol)
- Protect lyophilized vials from moisture.
- Aliquot after reconstitution.
- Document cold-chain excursions.
Use the peptide reconstitution calculator to translate mass and concentration targets into documented laboratory volumes.
Where to source for research
Compare bundle blends such as GLOW on shop listings when multi-peptide documentation is required.
| Vendor | List context | COA signal | Code |
|---|---|---|---|
| Live Alpha LabsAffiliate | From $39 list — verify at checkout; code SOL where eligible. | Third-party HPLC COA positioning (retailer-stated) | SOL |
| EZ Peptides | Independent benchmark — verify listing | Batch COA per retailer policy | — |
| Limitless Life Nootropics | Independent — verify listing | Third-party COA positioning | — |
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Reviewed by Dr. Elena Vasquez, Ph.D.· Last reviewed May 2026