Myostine YK-11

5mg per capsule · 90 capsules

£54.99

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Purity≥99% (HPLC verified)

Active ingredient5mg per capsule

Count90 capsules

ManufacturerUK — ISO certified

Overall research score

7.5 / 10

Good · Unique myostatin inhibitor, limited human research data

Metric breakdown

Anabolic potency 9.5

Muscle preservation 9.0

Safety profile 5.5

Bioavailability 6.0

Research depth 4.5

Suppression risk Low

Hepatotoxicity Minimal

Compound profile

Chemical name: (17α,20E)-17,20-[(1-Methoxyethylidene)bis(oxy)]-19-norpregna-4,20-diene-3-one methyl ester
Molecular weight: 430.54 g/mol
Half-life: 6–10 hours
Detection time: Not established
Research active: 5–15mg / day
Research cycle: 4–6 weeks
CAS number: 1370003-76-1

Research applications

Myostatin inhibition Extreme mass research Strength Advanced users only PCT required

Research use only. Scores derived from published preclinical and peer-reviewed literature. Not intended for human consumption.

Description

What Is YK-11 (Myostine)?

YK-11 (Myostine) is an investigational compound discussed in androgen receptor pathway and myostatin-related research contexts. This page provides a practical research reference overview with mechanism context, evidence limits, handling notes, and batch verification standards.

Compound Profile

Name	YK-11 (Myostine)
CAS	431579-34-9
Formula	C25H34O6
Molecular Weight	430.54 g/mol
Category	Investigational steroidal SARM-like compound
PubChem	11800089

What is yk-11 myostine is a common query used by researchers reviewing AR-signalling and myostatin-pathway references.

How Does YK-11 Work?

Published work discusses YK-11 in relation to androgen receptor activity and follistatin/myostatin pathway hypotheses in model systems. This page is technical reference content, not therapeutic guidance.

Researchers often compare yk-11 vs rad-140 research when assessing evidence maturity, pathway assumptions, and endpoint interpretation.

What Does Current Research Say?

Evidence depth is lower than legacy compounds such as MK-2866 and RAD-140.
Available literature is heavily weighted toward in-vitro and exploratory preclinical context.
No broad consumer therapeutic approval exists.
Interpretation should prioritize method quality and reproducibility limits.

Typical search intent includes yk-11 dosage research use and yk-11 cycle length research phrasing, which should be read as literature context rather than user instruction.

Batch Verification & Quality Controls

Analytical method: HPLC (with supporting documentation)
Batch records: lot-specific QC trail available
Identity checks: method-linked reporting by batch
Documentation: COA available for verification

Teams commonly request hplc tested yk-11 evidence before assay planning and sample intake.

Storage & Handling

YK-11 storage and handling should follow lab SOP standards: sealed storage, light/moisture protection, and documented chain-of-custody controls.

YK-11 FAQ

This yk-11 faq section addresses high-intent technical questions before protocol design.

Is YK-11 a SARM?

YK-11 is commonly grouped with SARMs in research catalogues, but its structure and pathway profile are discussed as atypical versus classic non-steroidal SARMs.