Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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Thymosin Alpha-1 (Zadaxin) vs Thymosin Beta-4
Complete side-by-side comparison of Thymosin Alpha-1 (Zadaxin) and Thymosin Beta-4.
Side-by-Side Comparison
Property
Thymosin Alpha-1 (Zadaxin)
Thymosin Beta-4
Name
Thymosin Alpha-1 (Zadaxin)
Thymosin Beta-4
Peptide Class
Thymic peptide
Thymosin
Category
Cancer Research
Recovery and Repair
Dosage Range
1.6 mg to 3.2 mg per week
2-5 mg per week
Half-Life
2 hours
2 hours
FDA Status
Not Approved
Not Approved
Safety Rating
Generally Well-Tolerated
Research Only
Cost Estimate
$200-400 per month
$150-300/month
Thymosin Alpha-1 (Zadaxin)
Thymosin Alpha-1 (Tα1), marketed as Zadaxin, is a thymic peptide primarily used in cancer research and immunomodulation. It is known for its ability t...
View full profile →Thymosin Beta-4
Thymosin Beta-4 (TB-4) is a peptide primarily recognized for its role in recovery and repair, particularly in wound healing and tendon repair. It func...
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