For in-vitro laboratory research only. Not for human or veterinary use.Research Use Only
TL;DR — Verdict

TB-500 is a synthetic peptide fragment of Thymosin Beta-4, a naturally occurring 43-amino-acid protein involved in cell migration, angiogenesis, and tissue repair. TB-500 contains the active actin-binding domain of the full protein, making it a focused research tool for studying tissue regeneration, cardiac repair, wound healing, and anti-inflammatory pathways. Remy Peptides supplies research-grade TB-500 in Dubai with HPLC-verified purity and 2-hour delivery.

RESEARCH SUPPLY
Need Research-Grade TB-500?

HPLC-verified purity, full Certificate of Analysis. Same-day delivery in Dubai. Contact via WhatsApp for availability and pricing.

WhatsApp Order →
View All Products → Reconstitution Calculator → See COA →

What Is TB-500?

TB-500 is a synthetic version of the active region of Thymosin Beta-4 (Tβ4), a 43-amino-acid protein naturally produced by the thymus gland and found in virtually all human and animal cells. Thymosin Beta-4 was first identified in the 1960s by Allan Goldstein at the National Institutes of Health.

The key functional domain of Thymosin Beta-4 is its actin-binding sequence (amino acids 17–23: LKKTETQ), which regulates cytoskeletal dynamics essential for cell migration, proliferation, and differentiation. TB-500 contains this active region, making it a practical research tool that replicates Tβ4’s core biological activities without the full protein’s complexity.

TB-500 vs Thymosin Beta-4: Key Differences

While the terms are often used interchangeably, TB-500 and Thymosin Beta-4 are structurally distinct. TB-500 is a synthetic peptide fragment containing the active actin-binding domain, while Tβ4 is the full 43-amino-acid endogenous protein. For research purposes, TB-500 offers the advantage of targeted activity at the actin-binding site without the broader (and less characterised) effects of the complete protein.

TB-500 Research Applications

Tissue Regeneration & Muscle Repair

TB-500’s primary research application is tissue regeneration. The peptide promotes cell migration to injury sites by modulating actin polymerisation—a critical step in the wound healing cascade. Published studies in animal models document accelerated recovery from muscle fibre damage, with TB-500-treated subjects showing faster restoration of muscle architecture and reduced fibrosis compared to controls.

The mechanism involves upregulation of actin and laminin expression, which supports the structural scaffolding needed for new tissue formation. This makes TB-500 a primary compound of interest for musculoskeletal recovery research.

Cardiac Repair & Cardioprotection

Some of the most significant TB-500 research involves cardiac tissue repair. Studies have demonstrated that Thymosin Beta-4 can reactivate dormant cardiac progenitor cells following myocardial infarction, promoting new cardiomyocyte formation and reducing scar tissue. In murine models, TB-500 treatment post-MI improved ejection fraction and reduced infarct size.

This cardiac regeneration potential has attracted attention from major research institutions. The ability to potentially repair heart tissue after ischaemic damage addresses one of cardiology’s most challenging problems—the heart’s limited natural regenerative capacity.

Anti-Inflammatory Properties

TB-500 demonstrates significant anti-inflammatory activity in preclinical research. The peptide downregulates pro-inflammatory cytokines and chemokines at injury sites, reducing the inflammatory cascade that can impair healing. Studies show reduced levels of TNF-α, IL-1β, and IL-6 in TB-500-treated tissue, creating a more favourable environment for regeneration.

This anti-inflammatory mechanism works synergistically with TB-500’s tissue repair properties: by reducing inflammation while simultaneously promoting cell migration and angiogenesis, the peptide supports faster, cleaner healing with less fibrotic scarring.

Wound Healing & Dermal Research

Topical and systemic TB-500 administration has shown accelerated wound closure in dermal injury models. The peptide promotes keratinocyte migration, collagen deposition, and angiogenesis at wound sites. Published data shows faster re-epithelialisation and improved tensile strength of healed skin compared to untreated controls.

Hair Regrowth Research

Thymosin Beta-4 has been identified as a factor in hair follicle stem cell activation. Research published in PNAS demonstrated that Tβ4 promotes hair growth by activating dormant hair follicle stem cells through modulation of the Wnt signalling pathway. This finding has positioned TB-500 as a research compound of interest in dermatological and aesthetic research contexts.

TB-500 in Dubai — Access & Availability

TB-500 is not a registered pharmaceutical in the UAE and is not available through pharmacies or clinical channels. In Dubai, it is accessible as a research compound for in-vitro laboratory use only.

Research Use Framework in the UAE

Under the UAE’s regulatory framework, research-grade peptides like TB-500 can be sourced for legitimate laboratory research purposes. All Remy Peptides materials are clearly labelled “For Research Use Only” in compliance with UAE MoHAP Circular 17/2022. For a detailed overview, see our guide on peptide legality in the UAE.

Dubai’s Recovery & Performance Research Market

Dubai’s position as a hub for sports science, athletic performance, and wellness research has driven increasing demand for recovery peptides. TB-500 and BPC-157 are the two most requested recovery compounds among Dubai-based researchers, reflecting global trends in musculoskeletal and regenerative medicine research. Our UAE peptide trends analysis covers the broader market dynamics.

Dosing Protocols from Published Studies

TB-500 dosing in published research varies by application and study model. The following reflects protocols documented in peer-reviewed literature.

Standard Research Protocols

Animal studies typically use TB-500 at 0.1–0.5 mg/kg body weight, administered subcutaneously or intraperitoneally. Cardiac repair studies often use higher loading doses in the acute phase (first 1–2 weeks) followed by reduced maintenance dosing. Wound healing studies may use both systemic injection and topical application.

TB-500 is supplied as lyophilised powder requiring reconstitution with bacteriostatic water before use. Use our peptide reconstitution calculator to determine exact concentrations based on vial size and desired dose.

Loading & Maintenance Phases

Published protocols frequently employ a two-phase approach: an initial loading phase with more frequent administration (2–3 times per week) to establish tissue saturation, followed by a maintenance phase with reduced frequency (once weekly or biweekly). This mirrors the pharmacokinetic profile of TB-500, which has a relatively long half-life compared to smaller peptides.

TB-500 + BPC-157 Stack Research

The combination of TB-500 and BPC-157 represents the most widely discussed peptide stack in recovery research. The rationale is complementary mechanisms of action:

Together, these two peptides address recovery from both systemic and localised angles. Researchers studying musculoskeletal injuries, post-surgical healing, or tissue regeneration often investigate both compounds to compare and potentially combine their effects.

Both TB-500 and BPC-157 are available from Remy Peptides in Dubai with same-day delivery. See our BPC-157 Dubai guide for detailed mechanism and research data.

Purity & Third-Party Testing

TB-500 purity directly impacts research validity. Low-purity preparations may contain truncated peptide fragments, residual TFA (trifluoroacetic acid) from synthesis, or endotoxin contamination that can confound experimental results.

Remy Peptides provides TB-500 that is HPLC-verified at ≥98% purity by independent third-party laboratories. Every batch includes a published Certificate of Analysis confirming purity percentage, molecular weight verification via mass spectrometry, and endotoxin levels below research-grade thresholds.

How Does Delivery Work Across the UAE?

All TB-500 shipments use insulated, temperature-controlled packaging. For order tracking or research enquiries, contact us via WhatsApp at +34 672 737 521. Support is available 7 days a week.

Is TB-500 available in Dubai?
Yes. TB-500 (Thymosin Beta-4) is available as a research compound in Dubai through Remy Peptides. It is not a registered pharmaceutical and is supplied strictly for in-vitro laboratory research.
What is the difference between TB-500 and Thymosin Beta-4?
TB-500 is a synthetic fragment of the naturally occurring protein Thymosin Beta-4 (Tβ4). TB-500 contains the active region of Tβ4 responsible for actin binding and cell migration. The terms are often used interchangeably in research contexts, though they are structurally distinct.
What is TB-500 used for in research?
TB-500 research focuses on tissue regeneration, cardiac repair, wound healing, anti-inflammatory effects, and hair regrowth. Published studies document accelerated recovery from muscle tears, cardiac injury, and dermal wounds in animal models.
Can TB-500 be combined with BPC-157?
Yes. The TB-500 and BPC-157 combination is widely studied in recovery research. TB-500 provides systemic tissue regeneration while BPC-157 promotes localised repair. Both are available from Remy Peptides with same-day Dubai delivery.
How do I reconstitute TB-500?
TB-500 lyophilised powder is reconstituted with bacteriostatic water. Standard protocols use 1–2 mL per vial. Use our reconstitution calculator for exact concentrations.
How fast is TB-500 delivery in Dubai?
Remy Peptides delivers TB-500 within 2 hours across Dubai. Abu Dhabi, Sharjah, and other UAE emirates receive next-day delivery. All shipments use temperature-controlled packaging.

Our Research Standards

This article cites peer-reviewed studies and published preclinical data. All claims are cross-referenced against primary sources. We update articles when new research data is published. Read our editorial policy →

NH
About the Author

Dr. Nadia Haroun, PharmD

Research Director, Remy Peptides

Dr. Haroun leads editorial review across all research articles covering peptide pharmacology, recovery compounds, and regenerative medicine research. Her work spans peptide analytical chemistry, HPLC purity validation, and preclinical data interpretation.

View editorial policy →
References & Citations
  1. Goldstein AL, et al. Thymosin β4: actin-sequestering protein moonlights to repair injured tissues. Trends Mol Med. 2005;11(9):421-429.
  2. Bock-Marquette I, et al. Thymosin β4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair. Nature. 2004;432(7016):466-472.
  3. Sosne G, et al. Thymosin beta 4 promotes dermal healing. Expert Opin Biol Ther. 2007;7(11):1571-1580.
  4. Philp D, et al. Thymosin β4 and a synthetic peptide containing its actin-binding domain promote dermal wound repair in db/db diabetic mice. J Invest Dermatol. 2003;121(5):1096-1102.
  5. Philp D, et al. Thymosin β4 promotes hair growth. PNAS. 2004;101(33):12248-12253.
ORDER

TB-500 Research Peptide

HPLC-verified purity, full COA. Same-day delivery in Dubai, next-day across UAE.

Order via WhatsApp →
WhatsApp Order