Thymosin Beta-4 vs BPC-157 vs TB-500
Mechanism, receptor target, half-life, dose, and best-price vendor side by side.
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| Field | Thymosin Beta-4 | BPC-157 | TB-500 |
|---|---|---|---|
| Receptor target | Actin-sequestering / ILK pathway | VEGFR2 / eNOS pathway | Actin-sequestering (thymosin beta-4 fragment) |
| Mechanism class | tissue repair | tissue repair | tissue repair |
| Half-life | ~2 hours | ~4 hours (oral form may have longer effective window) | ~2–3 hours |
| Typical dose | 2–2.5 mg 2x weekly SC | 250–500 mcg daily SC | 2–2.5 mg 2x weekly SC (loading), then weekly |
| Sequence length | 43 residues | 15 residues | 7 residues |
| Best-price vendor | Nura Peptide → $25.00 (5mg) — $5.00/mg | Swiss Chems → $85.95 (30mg) — $2.87/mg | Swiss Chems → $42.36 (10mg) — $4.24/mg |
| See all vendors | /best/thymosin-beta-4 → | /best/bpc-157 → | /best/tb-500 → |
Dig deeper
Pricing pulls live from our vendor database. Molecular data comes from published peptide literature. For full dosing protocols, side effects, and research citations, open each peptide's individual page.