What it does / how it works
A stable 15-amino-acid piece of a gastric protein. In animal models it supports blood-vessel growth, nitric-oxide signalling and tendon/gut lining repair. Human evidence is still thin. WADA banned.
| Class | Gastric pentadecapeptide |
| Typical vial | 5 or 10 mg |
| Reconstitution | 2 mL BAC per 10 mg = 5 mg/mL (500 mcg = 10 units on U-100) |
| Storage after mix | 2–8°C, use within 28 days |
Protocol
| Goal | Dose | How often | How long | Route |
| Days 1-7 | 250 mcg | Once daily | Week 1 | SubQ |
| Weeks 2-6 | 250-500 mcg | Once daily | 4-6 more weeks | SubQ |
| Split option | 250 mcg | 2x daily | 4-6 weeks total | SubQ |
| Off | None | Stop | 2-4 weeks off, then reassess | – |
Watch: WADA prohibited. A 10 mg vial at 500 mcg/day lasts 20 days.