YK-11 (Myostine) – High-Purity Myostatin Inhibitor – 90 Capsules
YK-11, also known as Myostine, is a unique myostatin-inhibiting research compound structurally related to selective androgen receptor modulators (SARMs). Known for its potential interaction with follistatin expression pathways, YK-11 is frequently used in laboratory models focused on muscle growth, hypertrophy, and bone density modulation.
Its partial androgenic activity and myostatin-regulating profile make it a valuable tool in advanced muscle protein synthesis research and body recomposition frameworks.
Product Features & Specifications
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Chemical Name: YK-11 (Myostine)
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CAS Number: 1370003-76-1
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Molecular Formula: C25H34O6
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Molecular Weight: 430.54 g/mol
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Form: Encapsulated research compound (90 capsules)
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Purity: ≥98% (HPLC Verified)
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Solubility: Soluble in ethanol, DMSO, and PEG
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Storage: Store in a cool, dry place, away from direct sunlight and moisture
Research Applications
YK-11 is commonly selected for experimental research involving:
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Myostatin Inhibition and Follistatin Expression
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Muscle Hypertrophy and Protein Synthesis Pathways
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Bone Density and Musculoskeletal Strength Studies
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Advanced Recomposition and Anabolic Signalling Models
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Stack Synergy with SARMs (e.g. MK-2866, LGD-4033, RAD-140)
Research Highlights
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YK-11 is noted for its dual action — partial androgen receptor agonist with potential to upregulate follistatin, a known myostatin inhibitor.
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Studies have explored its application in enhancing muscle cell differentiation, making it valuable in hypertrophy-oriented models.
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It is frequently stacked with SARMs such as Ostarine, Ligandrol, and Testolone to support broader composition and strength-based experiments.
Compliance & Safety
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Intended Use: For research purposes only. Not for human or veterinary use.
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Handling: Use in a controlled laboratory environment with standard PPE.
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MSDS: Available upon request
Packaging Options
Buy YK-11 in the UK for advanced myostatin inhibition and hypertrophy-based research. High-purity, lab-tested, and ready for experimental use — strictly for research purposes only. Not for human consumption.
