Advanced androgen receptor and selective androgen receptor modulator (SARM) research laboratories consistently select our S-23 capsules (Next LVL Muscle) as a convenient, precisely dosed research format. Each capsule contains a standardized amount of S-23, one of the most potent non-steroidal SARMs characterized in preclinical models, supplied exclusively for controlled in vitro, pharmacological, receptor-binding, myotrophic, prostate selectivity, hormonal suppression, and analytical investigations.
Laboratory-Grade Purity & Third-Party Verification
Our S-23 capsules are formulated using ≥98% pure active compound (often ≥99%), confirmed through orthogonal analytical techniques including HPLC, LC-MS/MS, GC-MS, and NMR spectroscopy. Independent third-party testing provides comprehensive Certificates of Analysis (CoA) for every batch, verifying chemical identity, exact potency per capsule, residual solvent levels, heavy metal screening, microbial purity, and absence of degradation products or contaminants. This stringent quality protocol ensures batch-to-batch consistency and clean, reproducible results in androgen receptor affinity assays, myotube hypertrophy studies, anabolic-to-androgenic ratio profiling, spermatogenesis suppression models, and reference standard preparation.
As a highly potent arylpropionamide SARM, S-23 demonstrates exceptional binding affinity to the androgen receptor, strong myotrophic activity in muscle tissue, and significant suppression of endogenous testosterone and spermatogenesis in preclinical models, positioning it as a key research tool for studying full androgenic effects, male contraception mechanisms, extreme anabolic responses, and structure-activity relationships in potent SARMs.
Key Product Specifications
- Full chemical name: (S)-N-(4-Cyano-3-trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methylpropanamide
- CAS Number: 1010396-29-8
- Molecular formula: C₁₈H₁₃ClF₄N₂O₃
- Molar mass: 416.75 g/mol
- Dosage per capsule: Standardized research dosing (typically 10mg, 20mg, or 30mg – contact for current spec sheet)
- Form: Precision-filled capsules for accurate handling and dissolution
- Appearance: Uniform solid capsules in tamper-evident bottles
- Storage: 2–8°C in original airtight container; protect from light, heat, and moisture for optimal stability
- Excipients: Standard pharmaceutical-grade fillers (e.g., microcrystalline cellulose, magnesium stearate) for capsule integrity
Capsules are packaged in secure, tamper-evident bottles with desiccant to maintain potency and prevent contamination during transit and storage.
Why Researchers Prefer S-23 Capsules
The capsule format offers significant advantages for:
- Precise, repeatable dosing without powder weighing variability
- Streamlined chronic administration or dose-response protocols
- Reduced handling exposure in controlled laboratory environments
- Direct comparison of pre-dosed potent SARMs in analytical workflows
S-23 remains a benchmark for studying high-potency androgen receptor agonism, profound muscle anabolism with reduced prostate impact in select models, and strong hypothalamic-pituitary-gonadal axis suppression.
“The accurate dosing and exceptional purity of these S-23 capsules enabled clear, dose-dependent myotube growth and reliable suppression data in our potent SARM studies – highly consistent results.” – Androgen Receptor & Reproductive Pharmacology Research Group
Strict Research-Use-Only Policy
These S-23 capsules (Next LVL Muscle) are sold exclusively for legitimate scientific research, forensic analysis, reference standard preparation, and authorized institutional or academic purposes. Not for human or veterinary consumption, not approved for medical, therapeutic, dietary supplement, or performance-enhancing applications. All purchasers must be licensed researchers, accredited laboratories, or verified entities in full compliance with applicable national and international regulations concerning research chemicals, investigational SARMs, and controlled substances. Credential verification or institutional documentation may be required.
Limited Availability – Secure Your Supply Today
High-specification S-23 capsules continue to be in high demand among advanced SARM, anabolic potency, and androgen receptor research programs, with production limited by stringent synthesis, encapsulation precision, and quality assurance processes. Prevent project delays by reserving your required quantity promptly.
Buy S-23 capsules online from a trusted S-23 capsules USA supplier for fast, discreet, tracked delivery to your verified research facility. Add to cart today and equip your lab with a premium, precisely dosed potent SARM capsule reagent. Order S-23 capsules before current stock sells out – advance your androgen receptor and myotrophic research with confidence.
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