YK-11 (Myostine) Capsules – Next LVL Muscle

$ 39.95

    • Application: Myostatin inhibition and selective androgen receptor modulation for muscle research

    • Key Property: Steroidal partial agonist with potent anabolic and muscle differentiation activity

    • Quality Assurance: ≥98% purity confirmed by HPLC

    • Handling: Capsules; store cool and dry; follow laboratory safety protocols

     

    Myostin 5mg x 60 capsules

    Highly anabolic compound with fewer side effects than a steroid

    Improves recovery

Physical Form

Capsules

Purity verified by third-party lab • Certificate of Analysis included • For laboratory research use only
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Estimated delivery dates: April 23, 2026 – April 28, 2026 Processing: 1–3 business days (lab verification + safety packaging) Shipping: 2–4 business days Most orders arrive in 4–6 days
Description

Buy YK-11 (Myostine) Capsules – Next LVL Muscle For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

What is YK-11 (Myostine) Capsules?

YK-11, also known as Myostine, is a synthetic steroidal selective androgen receptor modulator (SARM) structurally derived from dihydrotestosterone (DHT). It is unique in combining SARM activity with myostatin inhibition, a protein that suppresses muscle growth. This dual action results in potent anabolic effects, promoting muscle cell differentiation and growth more effectively than traditional anabolic steroids like DHT in vitro. Due to its steroidal backbone and partial agonist properties on androgen receptors, YK-11 can stimulate significant muscle hypertrophy while minimizing androgenic effects on non-muscle tissues, based on limited preclinical evidence. Next LVL Muscle supplies YK-11 in capsule form for controlled laboratory research. This product is not approved for human or veterinary use.

Technical Information of YK-11 (Myostine) Capsules

Property Details
CAS No 1370003-76-1
Alternate Names YK-11; Myostine; (17α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester
Chemical Formula C27H34O6
Molecular Weight 454.55 g/mol
Form Capsules (dosage depends on supplier; commonly 5 mg or 10 mg)
Purity ≥98% (verified by HPLC)
Melting Point Data limited; steroidal melting behavior
Storage Conditions Store in a cool, dry place, protected from light and moisture

Typical Research Applications of YK-11 (Myostine) Capsules

  • Enhancement of muscle cell differentiation and myoblast growth

  • Myostatin inhibition and muscle hypertrophy research

  • Studies on selective androgen receptor modulation with partial agonist effects

  • Investigation of anabolic effects with reduced androgenic side effects

  • Preclinical evaluation of muscle wasting and sarcopenia treatment

Safety and Handling Information for YK-11 (Myostine) Capsules

  • Use appropriate PPE including gloves, lab coat, and eye protection during handling

  • Handle in chemical fume hood or well-ventilated area to avoid exposure

  • Avoid ingestion, skin contact, or eye exposure; wash immediately if contact occurs

  • Store capsules sealed in airtight containers, away from light, moisture, and heat

  • Dispose of all residues as per hazardous chemical protocols

Ordering and Shipping Summary for YK-11 (Myostine) Capsules

  • Available through licensed research chemical distributors

  • Packaged as capsules for accurate and consistent research dosing

  • Shipping adheres to regulatory standards for controlled chemical substances

  • Purchase limited to accredited research institutions and qualified laboratories

Storage Conditions for YK-11 (Myostine) Capsules

  • Store in airtight containers at controlled room temperature or cooler

  • Protect from humidity, sunlight, and heat to maintain compound stability

  • Follow supplier-specific storage recommendations when available

Alternatives to YK-11 (Myostine) Capsules

  • Other steroidal SARMs such as RAD-140 or LGD-4033 for comparative research

  • Experimental myostatin inhibitors in preclinical development

  • Traditional anabolic steroids for reference research (restricted use)

FAQ About YK-11 (Myostine) Capsules

Q: Is YK-11 approved for human use?
A: No. It is an experimental compound strictly for research purposes only.

Q: What purity level can be expected?
A: Purity is guaranteed at ≥98%, validated by HPLC or equivalent methods.

Q: How does YK-11 differ from typical SARMs?
A: YK-11 acts as both a SARM and a myostatin inhibitor, providing potent anabolic effects alongside muscle growth regulation.

Q: What typical dosages are provided in capsules?
A: Common dosing is 5 mg or 10 mg capsules, depending on supplier formulation.

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