What it does / how it works
A protein that binds myostatin and activin, the brakes on muscle growth. Academic work is mostly gene therapy. Confirm what FN1 actually contains before writing a dose.
| Class | Myostatin / activin binder — confirm FN1 COA |
| Typical vial | FN1 see notes |
| Reconstitution | Per COA only |
| Storage after mix | 2–8°C, use within 28 days |
Protocol
| Goal | Dose | How often | How long | Route |
| Do not invent | Confirm mass on COA | — | — | — |
Watch: No honest mg/week table until the vial contents are listed.