Nasal Spray
TB-500 Nasal Spray
Thymosin Beta-4 fragment nasal spray, 8mg total, 80 sprays at 100mcg per spray.
Est. delivery
Certificate of Analysis
Tested by Freedom Diagnostics · 03/23/2026
Tested by Janoshik · 11/10/2025
Reference Chemistry
Specification
- Composition
- TB-500 (Thymosin Beta-4 Fragment)
- Presentation
- 8mg total
- Format
- Nasal Spray
- HPLC Purity (COA)
- 98.481%
- Storage
- Cool, dry, out of direct sunlight; refrigerate after opening
CAS number, molecular formula and molecular weight for this compound are available on request, together with the batch certificate of analysis.
RESEARCH USE ONLY — not for human or animal consumption. Not for diagnostic or therapeutic use.
Key Ingredients
Synthetic peptide fragment studied in the context of cell migration, blood vessel formation, and actin polymerization regulation. A major actin-sequestering protein in mammalian cells.
Discover the researchDescription
TB-500 is a synthetic version of Thymosin Beta-4, a naturally occurring 43-amino-acid peptide present in virtually all human and animal cells. TB-500 has been investigated extensively in preclinical models for its role in tissue repair, cell migration, and anti-inflammatory responses.
Research Background
Research on Thymosin Beta-4 has focused on its ability to promote cell migration by upregulating actin, which is critical for cell structure and movement. Studies have also explored its potential role in reducing inflammation and promoting angiogenesis in damaged tissues. This product is for research use only.
Ingredients & Dosage
| TB-500 | 100 mcg per spray |
Inactive ingredients / formulation base
| Normal Saline (pH 6.0) | Base solution |
| Benzalkonium Chloride (BKC) | 0.01% preservative |
| Lab-Grade Distilled Water | QS |
SKU: TBN0008MG
Shipping & Storage
Shipping: Every order ships 2-Day — free on orders $150+, $4.99 otherwise. Orders placed before 3 PM PT on a business day dispatch the same day, and delivery is typically 2 business days after dispatch.
Storage: Store in a cool, dry place. Refrigeration recommended after opening for optimal stability. Keep away from direct sunlight.
Regulatory Statement
For laboratory and research use only. Not for human or animal consumption. This product is sold exclusively to qualified researchers and licensed laboratories.
This product is not a drug, food, or cosmetic, and is not for diagnostic or therapeutic use. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
A certificate of analysis (COA) is available for this product — view the published COA.
Thymosin Beta-4 Fragment
43-amino acid peptide studied in tissue repair and cell migration models
TB-500 is a synthetic fragment of Thymosin Beta-4, a naturally occurring 43-amino acid peptide. It is the primary actin-sequestering protein in mammalian cells and has been studied for its role in cell migration, angiogenesis, and tissue repair.
Published Research Data
Quantified findings from peer-reviewed studies on TB-500 (Thymosin Beta-4 Fragment)
amino acid residues in the full Thymosin Beta-4 sequence
Published Research
Studies on TB-500 (Thymosin Beta-4 Fragment)
2012 Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications Expert Opin Biol Ther
Review of Thymosin Beta-4's multi-functional regenerative properties including cell migration, anti-inflammatory activity, and tissue repair mechanisms.
2010 Thymosin beta4 and corneal wound healing: visions of the future Ann N Y Acad Sci
2004 Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair Nature
Why Research Peptides
All comparisons reflect general industry practices. Stemcode products are intended solely for laboratory research and are not for human consumption.
The Research Standard
All comparisons reflect general industry practices. Stemcode products are intended solely for laboratory research and are not for human consumption.
Frequently Asked Questions
What is TB-500 nasal spray?
TB-500 is a synthetic fragment of Thymosin Beta-4, a naturally occurring actin-binding protein. It has been investigated in preclinical models for effects on cell migration, angiogenesis, and tissue repair. This product is an 8mg intranasal solution intended for laboratory research use only.
What is in Stemcode's TB-500 nasal spray?
Each bottle contains 8mg of TB-500 total, delivered as 80 sprays at 100mcg per spray. It is third-party lab tested, with results published in its Certificate of Analysis, and ships from within the United States.
What is the difference between TB-500 and BPC-157?
They are unrelated peptides studied in overlapping repair models. TB-500 is a Thymosin Beta-4 fragment investigated for actin binding and cell migration; BPC-157 is a gastric pentadecapeptide fragment investigated for angiogenic and gastrointestinal effects. Stemcode supplies both separately and blended. For research use only.
Where can I buy TB-500 nasal spray?
TB-500 nasal spray is available to order directly from Stemcode for research use. Every batch is lab tested for purity with a published Certificate of Analysis and ships from within the United States.
How should TB-500 nasal spray be stored?
As a pre-formulated solution, store the nasal spray refrigerated at 2-8°C (36-46°F) and use it within the timeframe indicated on the product label. Keep it away from heat and direct sunlight.
Is TB-500 nasal spray for human use?
No. TB-500 and all Stemcode products are sold strictly for in-vitro laboratory and research use only. They are not for human or animal consumption.
