Login / Register
My Account
Login Register

Lost password?

or sign in with a social network
Google

A password will be sent to your email address.

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.

or sign in with a social network
Google
0 Cart $0 0
0 Shopping Cart
Shopping cart (0)
Subtotal: $0

View cartCheckout

FREE standard shipping on all orders.
  • 🇺🇸 USA Domestic
  • Warehouses
    • 🇪🇺 EU Domestic
    • 🇬🇧 UK Domestic
    • 🇦🇺 AU Domestic
    • 🇨🇦 CA Domestic
    • 🇨🇳 CH International
  • Research Compounds
    • Anti-Aging & Longevity Peptides
    • Cognitive & Nootropic Peptides
    • Cosmetics Peptides
    • Performance & Hormone Optimization Peptides
    • Recovery & Healing Peptides
    • Weight Loss & Metabolic Peptides
    • Peptide Blends
    • QSC Protocols
      • Clavicular Ascension
      • Venus Protocol
      • Midas Longevity Protocol
  • QSC
    • About QSC
      • QSC Price List
      • QSC FAQ
      • Privacy Policy
      • Return, Refund & Shipping Policy
      • Terms and Conditions
    • Peptide Calculators & Tools
    • Research Compound Manual
    • Crypto 101 Guide
    • QSCTrack Shipment Tracking
    • Contact Us
≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳
  • 🇺🇸 USA Domestic
  • Warehouses
    • 🇪🇺 EU Domestic
    • 🇬🇧 UK Domestic
    • 🇦🇺 AU Domestic
    • 🇨🇦 CA Domestic
    • 🇨🇳 CH International
  • Research Compounds
    • Anti-Aging & Longevity Peptides
    • Cognitive & Nootropic Peptides
    • Cosmetics Peptides
    • Performance & Hormone Optimization Peptides
    • Recovery & Healing Peptides
    • Weight Loss & Metabolic Peptides
    • Peptide Blends
    • QSC Protocols
      • Clavicular Ascension
      • Venus Protocol
      • Midas Longevity Protocol
  • QSC
    • About QSC
      • QSC Price List
      • QSC FAQ
      • Privacy Policy
      • Return, Refund & Shipping Policy
      • Terms and Conditions
    • Peptide Calculators & Tools
    • Research Compound Manual
    • Crypto 101 Guide
    • QSCTrack Shipment Tracking
    • Contact Us
Login / Register
My Account
Login Register

Lost password?

or sign in with a social network
Google

A password will be sent to your email address.

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.

or sign in with a social network
Google
0 Cart $0 0
0 Shopping Cart
Shopping cart (0)
Subtotal: $0

View cartCheckout

FREE standard shipping on all orders.
≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳

TB-500 Fragment 10mg | 10-Vial | Actin-Binding Recovery Peptide

TB-500 Fragment 10mg | 10-Vial Kit | Active actin-binding fragment of Thymosin Beta-4 — promotes tissue repair, angiogenesis, and anti-inflammatory signalling. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

✓ 99%+ Purity ✓ COA Available
✓ Free Shipping on All Orders ✓ Ships from China (🇨🇳)

$230

or
SKU: QSC-B10F-TB500FRAG-10MG-10VIAL
Categories: China, Recovery & Healing Peptides, Research Peptides
Brand: QSC
Technical Specs & COA
PubMed
Disclaimer & Storage Guide

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPSChina Warehouse

What is TB-500 Fragment?

TB-500 Fragment is the active actin-binding domain of Thymosin Beta-4. Binds G-actin, modulates cell migration, accelerates wound healing and angiogenesis, and reduces pro-inflammatory cytokines. Research use only.

Research Applications

Wound Healing & Tissue Repair

Cell migration assays, extracellular matrix remodelling, fibroblast activity

Angiogenesis Research

Endothelial tube formation, VEGF interaction, neovascularisation models

Anti-Inflammatory Studies

Cytokine suppression, NF-κB pathway modulation, macrophage polarisation

Muscle & Tendon Recovery

Satellite cell activation, myocyte repair, tendon fibroblast proliferation

Cardiac Research

Cardiomyocyte regeneration, post-infarct remodelling studies

Quick Specs

Form Lyophilized powder
Purity ≥99% by HPLC — every batch
CAS Number 107761-42-2
Molecular Formula C₂₁H₃₈N₈O₇S, MW 562.6
Identity MS molecular weight confirmed — every batch
Peptide Type Actin-Binding Recovery Peptide
COA Janoshik-independent, publicly verifiable
Manufacture In-house Fmoc SPPS — Qingdao, China
Storage -20°C sealed | 2–8°C reconstituted (4 weeks)
Shelf Life 24 months (unopened)

Certificate of Analysis (COA)

For the latest Certificate of Analysis (COA), please email us with your request.

Frequently Asked Questions

How do I reconstitute TB-500 Fragment?
Add 1–2 mL bacteriostatic water to the lyophilized vial, directing the liquid down the inner wall. Swirl gently — do not shake. The peptide dissolves readily within 1–2 minutes.
How should TB-500 Fragment be stored?
Store lyophilized vials at −20°C. Reconstituted solution is stable at 2–8°C for up to 4 weeks. Minimize freeze-thaw cycles and light exposure.
What purity is QSC TB-500 Fragment?
QSC TB-500 Fragment is ≥99% pure by HPLC on every batch, with MS confirmation of molecular weight and independent Janoshik COA.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 Shipping: China warehouse — 7–14 day global delivery
🧬 PubMed Research — Fragment
Search PubMed ↗
178,726 publications found Last 10 years 3 most recent shown
42133730
Postural health education in schools: teachers' perspectives on well-being, inequities, and institutional constraints.
García-Luna MA et al. · Int J Qual Stud Health Well-being 2026 View ↗
42116235
From emergency relief to system strengthening: Stakeholder perspectives on official development assistance for reproductive, maternal, neonatal and child health in Guinea-Bissau.
Casimiro A et al. · Glob Public Health 2026 View ↗
42021603
IL-10-STAT3 axis preserves epithelial mitochondrial homeostasis during bacterial challenge.
Navaneetha Krishnan S et al. · Gut Microbes 2026 View ↗

Showing 3 of 178,726 for Fragment

View all on PubMed ↗

Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

📋

Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
🧪

General Safety & Handling

🚫

Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

🥽

PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

🌡️

Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

🗑️

Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

🧾

Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

❄️

Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

Liraglutide 30mg | 20-Vial | G...

$750

TB-500 Fragment 10mg | 20-Vial...

$410

Peptides
Blends
Search
Track Order
Contact