Source comparison
Stacking BPC-157 Cartalax Joint Research: Protocol Comparison
Researchers designing stacking protocols need to balance dose intensity, administration frequency, and measurement endpoints. The table below compares three published approaches. Sequential (Zagreb model) 500 mcg/kg daily, days 1–14 only 15 mcg daily, days 15–
This comparison does not assign a generated winner or score.
- Researchers designing stacking protocols need to balance dose intensity, administration frequency, and measurement endpoints. The table below compares three published approaches.
- Sequential (Zagreb model)
- 500 mcg/kg daily, days 1–14 only
- 15 mcg daily, days 15–28 only
- 28 days
- Collagen deposition (hydroxyproline assay)
- Angiogenesis established before chondrocyte activation. Highest Type II collagen yield
- Concurrent (St. Petersburg model)
- 250 mcg twice daily, entire study
- 10 mcg daily, entire study
- 42 days
- Cartilage thickness (MRI T2 mapping)
- Longest protocol, best for chronic degeneration models. Lower peak concentrations, sustained signaling
- Pulsed (Observational, Eastern Europe)
- 300 mcg daily, 10-day cycles (3 cycles total)
- 20 mcg daily, 10-day cycles (3 cycles total)
- 60 days (with rest periods)
- Patient-reported pain scores + range of motion
- Used in human case series. Mimics natural tissue remodeling cycles