Buy TB-500 Research Peptide
TB-500 is a synthetic peptide corresponding to the actin-binding region of thymosin beta-4, a 43-amino-acid protein found in most mammalian cells. We supply it as a lyophilized powder at 99%+ purity, verified by independent HPLC and mass spectrometry testing, in 5 and 10 mg vials, and pre-combined with BPC-157 in the blends listed below. Every order ships free with tracking from California. For laboratory research use only.
TB-500 Vial Sizes and Prices
| Vial size | Price | Cost per mg | Add to cart |
|---|---|---|---|
| 5mg | $30.00 | $6.00 | Add to cart |
| 10mgLowest cost per mg | $50.00 | $5.00 | Add to cart |
Blends Containing TB-500
| Preparation | Price | Add to cart |
|---|---|---|
| BPC-157 5mg + TB-500 5mg | $45.00 | Add to cart |
| BPC-157 10mg + TB-500 10mg | $65.00 | Add to cart |
| BPC-157 15mg + TB-500 15mg | $95.00 | Add to cart |
| GLOW Blend 70mg (GHK-Cu, BPC-157, TB-500) | $80.00 | Add to cart |
| KLOW Blend 80mg (GHK-Cu, BPC-157, TB-500, KPV) | $80.00 | Add to cart |
What TB-500 Is
Thymosin beta-4 is one of the most abundant intracellular peptides in mammalian cells and is present at high concentration in platelets. TB-500 reproduces its short actin-binding region rather than the whole 43-residue protein, so studies of the full protein and studies of the fragment are not always interchangeable.
Published work characterises TB-500’s actin-sequestering activity, meaning its binding of monomeric (G-) actin, and the consequences for cell migration and cytoskeletal organisation in cultured cells, with endothelial cell models appearing frequently.
TB-500 Specifications
| Compound | TB-500 |
|---|---|
| Description | Synthetic fragment of the actin-binding region of thymosin beta-4 |
| Parent protein | Thymosin beta-4, 43 amino acids |
| Form | Lyophilized powder |
| Purity | 99%+ (HPLC/MS) |
| Storage | Store lyophilized at −20 °C, protected from light |
| Vial sizes | 5 and 10 mg, plus BPC-157 + TB-500 blends |
TB-500 and BPC-157 Blends
TB-500 is often paired with BPC-157, a synthetic 15-amino-acid peptide, because the two are studied through separate mechanisms. The BPC-157 + TB-500 blends hold equal amounts of each peptide in a single lyophilized vial. The KLOW and GLOW preparations add GHK-Cu, and KLOW adds KPV as well. Every blend is listed with its price in the second table above, and our BPC-157 vs TB-500 comparison sets out how the two peptides differ.
Choosing a TB-500 Vial Size
Every size is the same compound supplied to the same specification; the sizes differ only in how much material each vial holds. Larger vials carry a lower cost per mg, and the table above shows the current figure for each size. Smaller vials suit pilot work, or study designs that call for several separately opened vials rather than one large one.
TB-500 Research Guides
- TB-500 (Thymosin Beta-4): A Research Overview
- BPC-157 vs TB-500: Comparing Two Frequently Paired Research Peptides
Quality, Storage and Shipping
TB-500 is supplied as a lyophilized powder at 99%+ purity, with identity and purity verified by independent HPLC and mass spectrometry testing; how we verify peptide purity explains the process. Store vials at −20 °C, protected from light. Orders are packed and dispatched from California by UPS or USPS with tracking, and shipping is free on every order. Contact us for testing documentation relating to a specific order.
Frequently Asked Questions
What is TB-500?
TB-500 is a synthetic peptide corresponding to the actin-binding region of thymosin beta-4, a 43-amino-acid protein found in most mammalian cells.
Is TB-500 the same as thymosin beta-4?
No. Thymosin beta-4 is the full 43-amino-acid protein. TB-500 is a short synthetic fragment of its actin-binding region, so findings for one do not automatically apply to the other.
What sizes of TB-500 are available?
TB-500 is supplied on its own in several lyophilized vial sizes and pre-combined with BPC-157 in blends. The tables at the top of this page list every option with its current price.
What is in the BPC-157 + TB-500 blends?
Each blend vial holds equal amounts of BPC-157 and TB-500 as a single lyophilized powder. The 10mg + 10mg vial, for example, holds 10 mg of each peptide.
What purity is the TB-500 supplied at?
It is supplied as a lyophilized powder at 99%+ purity, verified by independent HPLC and mass spectrometry testing.
How should TB-500 be stored?
Store the lyophilized powder at −20 °C and protect it from light.
Is this TB-500 for human use?
No. It is supplied strictly for laboratory research. It is not intended for human or veterinary use, diagnosis, treatment or consumption.
Where do orders ship from?
All orders are dispatched from California by UPS or USPS with tracking. Shipping is free on every order.
For Research Use Only
This material is intended strictly for laboratory and research purposes. It is not intended for human or veterinary use, diagnosis, treatment, or consumption. By purchasing, the buyer confirms they are a qualified researcher and agrees to handle this product in compliance with all applicable regulations.