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ACE-031 (Myostatin Inhibitor) | 1mg x 10 Vials Kit | >99% Purity

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Chemical Specifications
Product Name ACE-031 (Ramatercept / ActRIIB-IgG1 Fc)
CAS Number 1169766-01-1
Molecular Formula Complex Recombinant Fusion Protein (ActRIIB-hFc)
Molecular Weight ~77,240 g/mol (77.24 kDa)
Purity (HPLC) ≥ 99.0%
Appearance White Lyophilized Powder
Storage Store at -20°C (Protect from light and moisture)
🧬

What is ACE-031?

ACE-031 (Ramatercept) is an incredibly powerful, investigational recombinant fusion protein engineered to bypass the body’s natural genetic limits on muscle growth. Supplied in a premium 1mg x 10 Vials kit, this macro-molecule acts as a highly advanced “Decoy Receptor” for Myostatin and other muscle-inhibiting ligands. By neutralizing these negative regulators before they can signal the body to stop growing, ACE-031 serves as the ultimate research tool for observing extreme skeletal muscle hypertrophy, reversing severe muscular atrophy, and redefining physiological strength barriers.

Key Features & Research Benefits

🛑

Myostatin Blockade

Acts as an impenetrable shield against Myostatin (GDF-8), the primary protein responsible for halting muscle tissue growth. By blocking this pathway, it essentially removes the “brakes” from the body’s hypertrophic engine.

🦍

Extreme Muscle Hypertrophy

Designed to induce massive and rapid accumulation of lean skeletal muscle mass. In clinical research models, blocking the ActRIIB pathway results in muscle fiber growth that far exceeds what is achievable through traditional anabolics.

🛡️

Anti-Catabolic Shield

By neutralizing the TGF-beta superfamily ligands that promote muscle breakdown, ACE-031 is currently heavily researched for its ability to completely halt muscle wasting in severe dystrophic and catabolic disease models.

🦴

Enhanced Bone Density

Beyond muscle growth, neutralizing ActRIIB ligands has been shown to significantly increase bone mineral density and biomechanical bone strength, providing a robust skeletal framework to support newly acquired extreme muscle mass.

Explosive Strength Potential

The profound increase in muscle cross-sectional area directly correlates with exponential increases in absolute strength and power output, making it a highly valued compound in neuromuscular optimization studies.

🎯

High Target Affinity

Unlike non-specific inhibitors, the ActRIIB-IgG1 Fc fusion structure ensures a powerful, highly specific binding affinity to Myostatin and Activin A, ensuring maximum receptor saturation and sustained hypertrophic signaling.

How It Works: Breaking Genetic Limits

To understand the terrifying power of ACE-031, you must understand how the human body actively fights against gaining too much muscle. The body utilizes a protein called Myostatin (along with Activin A and other TGF-beta ligands) as a built-in safety mechanism. These proteins bind to the ActRIIB receptors on your muscle cells, sending a strict chemical signal: “Stop growing. Break down muscle tissue.” This is your genetic limit.

ACE-031 (Ramatercept) is a masterpiece of biochemical engineering designed to completely short-circuit this system. It is a soluble, recombinant fusion protein that combines a portion of the human ActRIIB receptor with a human antibody framework (IgG1 Fc). When introduced into the bloodstream, ACE-031 acts as a highly attractive “Decoy Receptor.”

Instead of binding to the real ActRIIB receptors on muscle tissue, Myostatin and Activin A are fooled into binding to the free-floating ACE-031 molecules in the blood. ACE-031 “sponges up” and traps these growth-inhibiting proteins, neutralizing them completely. Because the muscle cells no longer receive the “stop growing” signal, they are forced into a state of unchecked, runaway anabolism. The result is pure, explosive, and unhindered skeletal muscle hypertrophy that utterly shatters natural physiological boundaries.

🧪 What’s In The Kit

  • Active Compound: ACE-031 (Recombinant Protein)
  • Format: 10-Vial Research Kit
  • Net Contents: 1mg per vial (10mg total)
  • State: Sterile, Lyophilized Powder
  • Purity: ≥99.0% (HPLC Verified)

👩‍🔬 Who Uses It

  • Extreme Hypertrophy Researchers
  • Neuromuscular Disease Labs (Muscular Dystrophy)
  • Advanced Sports Science Investigators
  • Skeletal Bone Density Researchers
  • Biomechanical Strength Analysts

🔗 Best Paired With

  • Sterile Bacteriostatic Water (BAC)
  • Precision Laboratory Pipettes
  • IGF-1 LR3 / HGH (For synergistic research)
  • Vial Storage Organizers (-20°C)

As Mentioned On

CNN CNBC MNT Forbes BBC ABC News Bloomberg CNN CNBC MNT Forbes BBC ABC News Bloomberg

Real People, Real Transformations

See what dedicated research protocols have achieved.

Meet Liam, 24 Years Old Muscle gain transformation BEFORE AFTER 16 WEEKS
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+18 lbsLEAN MASS
-7%BODY FAT

"RESEARCHER NOTES: This subject struggled to gain weight for years. Upon introducing the CJC-1295 / Ipamorelin blend protocol, the results clicked. Muscle fullness improved significantly, and recovery time was cut in half."

— Liam, age 24
Meet Marcus, 30 Years Old Muscle gain transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
+14 lbsLEAN MASS
-9%BODY FAT

"I'd been training for years but never really saw the results. Once I started my IGF-1 LR3 and BPC-157 protocol, everything clicked. The lean tissue gains and joint recovery are unreal."

— Marcus, age 30
Meet Sarah, 29 Years Old Muscle gain transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
+10 lbsLEAN MASS
-8%BODY FAT

"I wanted muscle tone without 'bulking'. Adding Ipamorelin to my regimen allowed me to train consistently. The mirror shows lean changes I couldn't achieve with diet alone."

— Sarah, age 29
Meet David, 45 Years Old Weight loss transformation BEFORE AFTER 12 WEEKS
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-28 lbsTOTAL WEIGHT
-15%BODY FAT

"RESEARCHER NOTES: Targeted a stubborn fat protocol with Tirzepatide. This subject experienced a massive reduction in visceral fat within the first 6 weeks without losing lean mass."

— David, age 45
Meet Emily, 32 Years Old Weight loss transformation BEFORE AFTER 16 WEEKS
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-24 lbsTOTAL WEIGHT
-12%BODY FAT

"The fat just wouldn't budge around my mid-section. Once I introduced Semaglutide into my research protocol, the weight loss was immediate, sustainable, and my cravings disappeared."

— Emily, age 32
Meet Daniel, 41 Years Old Weight loss transformation BEFORE AFTER 12 WEEKS
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-35 lbsTOTAL WEIGHT
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"By targeting metabolic efficiency with Tesamorelin and AOD-9604, muscle tissue was preserved while stubborn visceral fat melted away. Completely different physique."

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"I struggled with persistent redness and uneven texture. After adopting a GHK-Cu peptide protocol, the inflammation vanished. My skin literally glows from the inside."

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Meet Jason, 36 Years Old Face skin regeneration BEFORE AFTER 12 WEEKS
12 weeksDURATION
+55%REPAIR
+30%YOUTHFUL

"My face looked permanently tired. Working with Epithalon and GHK-Cu was a game changer. Pores minimized, fine lines reduced, and I'm sleeping deeper too."

— Jason, age 36

Trusted by happy customers

TrustScore 4.9 | 129 reviews

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Zero side effects and amazing results with Tirzepatide!

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Alex R.

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February 28, 2026

Unreal weight loss results with Semaglutide!

"I started researching Semaglutide after struggling for years. The quality here is top-notch. My research protocol showed massive appetite suppression immediately. Trustworthy source, fast shipping."

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Jennifer D.

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Stubborn visceral fat finally gone with Retatrutide

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Chloe L.

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January 29, 2026

Skin regenerated completely using GHK-Cu

"Adopted a strict GHK-Cu regenerative protocol, and the inflammation vanished. My subject's skin glows and looks exceptionally youthful. Best purity on the market."

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Liam P.

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January 15, 2026

Exceptional muscle mass gains and deep sleep

"I couldn't bulk effectively due to recovery issues. Once I added the CJC-1295 / Ipamorelin blend protocol, the changes were hard to ignore. Full body composition shifted, deeper sleep, and impressive joint recovery."

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ACE-031 1mg
ACE-031 (Myostatin Inhibitor) | 1mg x 10 Vials Kit | >99% Purity

Original price was: $69.99.Current price is: $56.99.
You save