Where to buy Ace-031 (2026)
ACE-031 is a soluble ActRIIB fusion protein that neutralizes myostatin and related muscle-growth inhibitors to drive skeletal muscle development. Created to treat muscle-wasting conditions like Duchenne muscular dystrophy, its trials were halted on safety grounds despite promising early muscle gains.
#1 Nootropics Depot Editor's Pick | #2 Pure Lab Peptides | #3 Empower Peptides | |
|---|---|---|---|
| Score | 9.5/10 | 9.5/10 | 9.3/10 |
| COA | ✓ Yes | ✓ Yes | ✓ Yes |
| Country | USA | USA | USA |
| Why we rate it | Operates at a global scale with a high degree of transparency, and earns praise for its customer support and logistics. | Carries a 4.9/5 Trustpilot score across 99 reviews, with buyers citing the COAs, purity, quick worldwide delivery (under a week), … | Transparency here is strong: full per-batch COAs are posted on the site, with independent HPLC and MS testing run by a certified l… |
| Check prices at Nootropics Depot →Read review → | Check prices at Pure Lab Peptides →Read review → | Check prices at Empower Peptides →Read review → |
How we picked these suppliers
Every supplier above publishes third-party certificates of analysis we've checked, and ranks at the top of our independent scoring across 207 vendors — based on COA transparency, lab testing, and community reputation. Rankings are never sold; see our methodology. Before any purchase, verify the current per-batch COA for the exact product you're buying.
Quick facts for Ace-031: typical research dose 0.02-3 mg · evidence grade B+ · primary use: Muscle. Read the full Ace-031 guide or browse all supplier rankings.
For informational and research purposes only. Not medical advice. Products referenced are sold for laboratory research use only and are not for human consumption.