Buy TB4-Frag 2mg
Active TB-500 fragment for targeted repair without full Tβ4 activity
Buy TB4-Frag 2mg — TB4-Frag is the active actin-binding fragment of Thymosin Beta-4, providing targeted tissue repair and anti-inflammatory activity at lower cost than full TB-500.
- Contains the active LKKTETQ actin-binding sequence of TB-500
- Promotes cell migration and wound healing at targeted sites
- Reduces TNF-alpha-induced cell apoptosis at injury sites
- Anti-inflammatory activity via cytokine modulation
- More cost-effective per active unit than full-length TB-500
COA verified · US domestic shipping
TB4-Frag: The Minimal Active Sequence of Thymosin Beta-4 for Targeted Healing
Active LKKTETQ Sequence
Contains only the minimal actin-binding sequence responsible for TB-500's core healing activity — concentrated potency without extraneous peptide mass.
Cost-Effective Alternative
Delivers the critical actin-sequestration mechanism at a lower cost per active dose than full-length TB-500 — practical for budget-conscious healing protocols.
Stackable with TB-500
Synergistically amplifies TB-500 activity when co-administered, allowing users to increase active fragment concentration without proportionally increasing cost.
Anti-Apoptotic Action
Directly reduces TNF-alpha-induced cell death at injury sites — protecting viable tissue adjacent to damage and preserving the cellular architecture needed for healing.
The Science Behind TB4-Frag 2mg
▸The Active Core of Thymosin Beta-4
TB4-Frag is the 17-amino-acid active fragment of Thymosin Beta-4 that contains the actin-binding sequence (LKKTETQ) responsible for most of TB-500's regenerative activity. Research has identified this fragment as the minimal sequence sufficient for actin sequestration, cell migration promotion, and anti-inflammatory signaling — providing a more targeted and cost-effective alternative to full-length TB-500 for some applications.
▸Mechanism: Actin Sequestration
The LKKTETQ sequence in TB4-Frag binds G-actin with high affinity, preventing its incorporation into filaments in resting cells while making it available for rapid polymerization during cell migration. This dynamic regulation drives the coordinated cell movement needed for wound healing, angiogenesis, and tissue remodeling. TB4-Frag also reduces TNF-alpha-induced apoptosis in injured cells.
▸When to Choose TB4-Frag
TB4-Frag is ideal for users who want targeted actin-mediated healing at a lower dose and cost, or for stacking with full TB-500 to amplify the active fragment concentration during intensive healing cycles. It's particularly popular for localized joint and soft tissue injuries where systemic distribution is less critical.
Complete TB4-Frag 2mg Benefits
- Contains the active LKKTETQ actin-binding sequence of TB-500
- Promotes cell migration and wound healing at targeted sites
- Reduces TNF-alpha-induced cell apoptosis at injury sites
- Anti-inflammatory activity via cytokine modulation
- More cost-effective per active unit than full-length TB-500
- Ideal for stacking with full TB-500 for amplified effect
- Supports angiogenesis and extracellular matrix remodeling
TB4-Frag 2mg Dosing Protocol
Reconstitution: Add 1mL bacteriostatic water (2,000mcg/mL).
Dosing:
• Standard: 300–500mcg subcutaneous once or twice weekly
• Stacked with TB-500: reduce both doses by 30%
• Cycle: 4–6 weeks
Route: Subcutaneous; near injury site for local effect
All information on this site is for educational purposes only. Always consult with a qualified healthcare provider before use. COA documentation is available for all products.
TB4-Frag 2mg
COA verified · Third-party tested · US domestic shipping
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