TB-500 (Ac-LKKTETQ) vs Thymosin Beta-4
Moderate Research vs Well Studied
compatible TB-500 is the active fragment; combining may be redundant.
Molecular Data
TB-500 (Ac-LKKTETQ) Thymosin Beta-4
Weight 844 Da 4,963.44 Da
Half-life Not precisely established; effects persist longer than 24 hours Dose-dependent; relatively short (exact values not established)
Chain 7 amino acids 43 amino acids
Type Acetylated heptapeptide Thymosin peptide
Key Benefits
TB-500 (Ac-LKKTETQ)
01 Promotes wound healing
02 Enhances cell migration
03 Supports angiogenesis (new blood vessel formation)
04 Reduces inflammation
05 Promotes keratinocyte migration
06 Supports collagen deposition
07 Enhances tissue repair
08 Active region of thymosin beta-4
Thymosin Beta-4
01 Systemic regenerative effects
02 Proven clinical efficacy
03 Optimal bioavailability for tissue repair
04 Promotes angiogenesis
05 Reduces inflammation
Dosing Protocols
TB-500 (Ac-LKKTETQ)
2-2.5mg per injection / 2x weekly (e.g., Monday and Thursday)
Loading phase 2-2.5 mg 2x weekly for 4-6 weeks
Maintenance 2 mg Weekly or bi-weekly
Thymosin Beta-4
2-6mg per injection (varies by protocol and severity) / Daily for acute healing, 2x weekly for maintenance/chronic conditions
Acute Wound Healing 1.6mg Daily
Cardiac Protection 42mg Single dose
Chronic Tissue Repair 6mg Twice weekly
Neurological Recovery 30mg Three times over 72 hours
General Regeneration 2-5mg Daily or every other day
Side Effects
TB-500 (Ac-LKKTETQ)
Injection site reactions
Mild fatigue
Head rush (reported)
Thymosin Beta-4
Mild injection site reactions
Local inflammation at injection sites
Contraindications
Not authorized for medicinal use
Active cancer (theoretical concern)
Pregnancy or breastfeeding
Prohibited by WADA in sports
Active chemotherapy treatment
Severe systemic allergies to peptides
Research Evidence
TB-500 (Ac-LKKTETQ) Thymosin Beta-4
Status Moderate Research Well Studied
References 4 studies 4 studies
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.