ACE-031 (ACE031)

Muscle Discontinued

Reviewed by The Peptide Dispatch Editorial Team · Last reviewed July 6, 2026

TL;DR — ACE-031 at a Glance

ACE-031 (ACE031) is a muscle peptide, at the discontinued stage in the published literature. Soluble activin receptor type IIB fusion protein that acts as a myostatin trap, promoting significant muscle growth.

Soluble activin receptor type IIB fusion protein that acts as a myostatin trap, promoting significant muscle growth.

Key Data

Research StatusDiscontinued
Half-Life~12 days
AdministrationSubcutaneous injection
Doses Reported in Published StudiesResearch varies

Mechanism of Action

Decoy receptor that binds myostatin and other negative regulators of muscle mass.

Reported Benefits

Frequently Asked Questions

What is ACE-031?

Soluble activin receptor type IIB fusion protein that acts as a myostatin trap, promoting significant muscle growth.

How does ACE-031 work?

Decoy receptor that binds myostatin and other negative regulators of muscle mass.

What is the research status of ACE-031?

ACE-031 is at the following stage in the published literature: Discontinued. All information is for research and educational purposes only.

What is the half-life of ACE-031?

Reported half-life: ~12 days.

How is ACE-031 administered in research?

Reported administration route in the literature: Subcutaneous injection. This is not a recommendation for human use.

Educational content, not medical advice. Effects described are drawn from cited research in study subjects.

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