§ Same category · Healing peptides
Thymosin Beta-4 (TB-4) vs TB-500 Fragment 17-23
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Thymosin Beta-4 (TB-4)
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vendors tracked
TB-500 Fragment 17-23
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vendors tracked
Thymosin Beta-4 (TB-4)
Full-length actin-sequestering peptide
No current listings at 5mg.
TB-500 Fragment 17-23
Minimal actin-binding core of TB-4
No current listings at 5mg.
About Thymosin Beta-4 (TB-4)
Full-length thymosin beta-4 — the parent molecule from which the TB-500 fragment is derived. Studied for cardiac repair, cornea healing, and hair growth.
About TB-500 Fragment 17-23
A seven-residue fragment (AcSDKP-containing region) representing the actin-binding core of thymosin beta-4. Sold as a minimal-version alternative to TB-500.