Source comparison
TB-500 Research Advanced Protocols: Peptide Comparison
TB-500 Actin sequestration, G-actin upregulation, promotes cell migration and angiogenesis PBS pH 7.4 or 10 mM HEPES pH 7.2–7.4 7–10 days Low. Single freeze-thaw max, activity loss 8–12% per cycle Gold standard for tissue repair studies; requires strict pH buf
This comparison does not assign a generated winner or score.
- TB-500
- Actin sequestration, G-actin upregulation, promotes cell migration and angiogenesis
- PBS pH 7.4 or 10 mM HEPES pH 7.2–7.4
- 7–10 days
- Low. Single freeze-thaw max, activity loss 8–12% per cycle
- Gold standard for tissue repair studies; requires strict pH buffering and single-aliquot handling to maintain activity
- BPC-157
- Stabilises VEGF receptor signaling, enhances fibroblast migration, modulates nitric oxide pathways
- Sterile water or saline (stable across pH 3–9)
- 14–21 days
- Moderate. Tolerates 2–3 cycles with <10% activity loss
- More forgiving storage profile than TB-500; lower sensitivity to pH and oxidation, suitable for extended dosing protocols
- GHK-Cu
- Copper-dependent matrix metalloproteinase activation, collagen synthesis, antioxidant effects
- Sterile water (acidic pH preferred, 5.5–6.5)
- 5–7 days
- Very low. Copper chelation disrupted by freeze-thaw
- Requires fresh preparation every 5–7 days; copper ion stability is the limiting factor, not peptide integrity