ACE-031

Also known as: ActRIIB-Fc, Ramatercept

Soluble ActRIIB decoy receptor (Fc-fusion); traps myostatin and other TGF-β ligands to promote muscle growth and reduce fat.

Typical dose
100 mcg – 500 mcg
Frequency
twice weekly
Route
Subcutaneous
Half-life
10 days
Routes
Subcutaneous
Status
Development permanently discontinued (2013): vascular safety signals
Track your ACE-031 protocol in Vial →

Benefits

Dosing

A common research range for ACE-031 is 100 mcg to 500 mcg twice weekly. Development paused due to safety signals; experimental only. These figures are reference points from published literature, not a prescription — your protocol should be set with a licensed provider.

Reconstitution

A typical reconstitution for ACE-031 is 1 mg of peptide in 1 mL of bacteriostatic water, giving roughly 1 mg per mL. Vial's built-in calculator works out the exact syringe draw for any vial size and dose.

Half-life

ACE-031 has an approximate half-life of 10 days. Vial plots the real concentration curve from your logged doses so you can see peak windows and when levels taper.

Storage

2-8°C.

Reported side effects

Contraindications

Track ACE-031 with Vial

Vial logs every ACE-031 dose, plots its half-life curve, calculates reconstitution math, and keeps your whole protocol on schedule — on-device and private. Download Vial on the App Store →

This page is for educational and harm-reduction purposes only. ACE-031 is not FDA-approved for most uses described here. Always consult a licensed physician before starting any peptide protocol. Vial does not sell peptides, recommend vendors, or provide medical advice.