Hardcore Labs RAD140 (Testolone)

Premium Hardcore Labs RAD140 for Sale | 20 mg/mL Solution | ≥98% Purity | 48-Hour Delivery Across EU & UK

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Hardcore Labs RAD140 (Testolone): The Gold Standard in SARM Research Compounds

eupeptidelap.co.uk is proud to present Hardcore Labs RAD140 (Testolone), a premium research-grade selective androgen receptor modulator (SARM) manufactured to the highest analytical standards. As a trusted peptide vendor uk and leading EU peptide supplier, we provide researchers across Europe with Hardcore Labs RAD140 for sale that delivers exceptional purity, consistency, and documented quality.

Hardcore Labs RAD140 (Testolone), also known by its chemical identifiers Testolone, Vosilasarm, or EP-0062, represents a cornerstone compound for investigators exploring androgen receptor biology, muscle hypertrophy, and bone density regulation . This investigational SARM was originally developed by Radius Health, Inc. and has been the subject of extensive preclinical research demonstrating its tissue-selective anabolic properties .

RAD140 is a nonsteroidal oral drug that binds to androgen receptors with high affinity and selectivity, exhibiting a Ki value of 7 nM . Unlike traditional anabolic steroids, RAD140 is designed to provide the anabolic benefits of muscle growth and increased bone density while minimizing androgenic effects on tissues such as the prostate . Recent studies published in 2024 and 2025 have further elucidated its effects on muscle fiber cross-sectional area, myonuclei count, and osteoblast/osteoclast balance .

Our collaboration with Hardcore Labs ensures that every batch of RAD140 meets rigorous quality control specifications, making eupeptidelap.co.uk the preferred destination for researchers seeking to buy peptide online UK and across the European Union. The 2025 documentation standards include QR-linked Certificates of Analysis, expanded impurity profiling, and detailed handling guidance to support reproducible research outcomes .

For researchers seeking to buy peptide online EU for investigations into muscle physiology, bone health, or androgen receptor signaling, eupeptidelap.co.uk offers Hardcore Labs RAD140 with comprehensive documentation, including Certificates of Analysis and batch-specific purity data. Whether your laboratory is based in London, Berlin, Paris, or anywhere in the European Union, our guaranteed 48 hour delivery peptide service ensures your research continues without interruption.

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The Scientific Foundation of Hardcore Labs RAD140 (Testolone)

Mechanism of Action: Selective Androgen Receptor Modulation

Hardcore Labs RAD140 (Testolone) exerts its effects through highly selective binding to androgen receptors (AR), with a reported Ki value of 7 nM . This high-affinity binding ensures potent activation of androgen receptor signaling pathways specifically in target tissues such as skeletal muscle and bone .

The key innovation of SARMs like RAD140 lies in their tissue selectivity. While traditional anabolic steroids affect androgen receptors throughout the body—leading to unwanted side effects in the prostate, skin, and other tissues—Testolone displays robust selectivity for anabolic organs . Upon oral administration, RAD140 acts as an agonist in select tissues, such as skeletal muscle and bone, where it binds to and activates androgen receptors (ARs). In the prostate and breasts, RAD140 acts as an antagonist and blocks AR activation and AR-mediated cellular proliferation .

At doses of 0.03-0.3 mg/kg, RAD140 has been shown to stimulate muscle weight increase without affecting prostate or seminal vesicle in castrated male rats . At 0.3-1 mg/kg, RAD140 demonstrates partial antagonist activity in seminal vesicle and prostate . This tissue-selective activity makes Hardcore Labs RAD140 an invaluable tool for researchers investigating targeted anabolic pathways.

Key Research Applications

Muscle Hypertrophy and Fiber Type Studies: Hardcore Labs RAD140 (Testolone) is extensively used in research on muscle growth mechanisms. A 2024 study published in Medicine & Science in Sports & Exercise demonstrated that RAD140 treatment (1 mg/kg for 14 days) significantly increased cross-sectional area in rat plantaris muscle fibers compared to vehicle-treated controls (33,935 ± 2413 vs. 24,219 ± 992 AU, p < .05) . Interestingly, the study found differential effects on muscle fiber types, with plantaris showing significant hypertrophy while tibialis anterior was unchanged, suggesting that muscle recruitment, activation patterns, and fiber type composition may influence the response to RAD140 treatment .

A 2025 study published in Molecular and Cellular Biomedical Sciences further confirmed that RAD140 significantly increased muscle fiber cross-sectional area and the number of myonuclei in gastrocnemius muscle of orchidectomized Wistar rats . These findings make Testolone particularly valuable for researchers investigating muscle wasting conditions, sarcopenia, and the molecular mechanisms underlying muscle fiber hypertrophy.

Bone Density and Osteoporosis Research: RAD140 has demonstrated significant positive effects on bone tissue. The 2025 study found that at higher doses, RAD140 treatment significantly increased osteoblast cell counts while decreasing osteoclast counts in orchidectomized rats . This dual effect—promoting bone-forming cells while inhibiting bone-resorbing cells—positions RAD140 as a promising candidate for osteoporosis research and therapies for muscle weakening due to androgen deprivation therapy .

Prostate Research and Androgen-Dependent Conditions: Studies published in the Medical Journal of Indonesia (2024) examined the effects of RAD140 on prostate mass, fibromuscular stroma, and testosterone levels in rats undergoing bilateral orchidectomy . The research found no significant differences in prostate mass, fibromuscular stroma ratio, or testosterone levels between treatment and control groups, supporting the tissue-selective profile of RAD140 .

Neuroprotection Research: RAD140 has demonstrated neuroprotective properties in preclinical models. Studies have shown that RAD140 protects cultured neurons against apoptotic insults and induces significant increases in levels of phosphorylated ERK, suggesting activation of survival pathways . In vivo studies using rat kainate lesion models have demonstrated that RAD140 exhibits neural efficacy through activation of androgenic gene regulation effects and neuroprotection of hippocampal neurons .

Cancer Cachexia and Muscle Wasting: SARMs like RAD140 are being investigated as potential pharmacological treatments for muscle wasting in ongoing clinical trials . The compound’s ability to stimulate muscle growth without significant androgenic side effects makes it relevant for research into cancer cachexia, sarcopenia, and other muscle-wasting conditions.

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Hardcore Labs Quality Assurance: Setting the Standard for Research Compounds

Manufacturing Excellence

Hardcore Labs has established itself as a premier manufacturer of research compounds through rigorous quality control protocols and commitment to analytical transparency. The 2025 documentation standards align with industry best practices, incorporating ISO-accredited third-party testing for identity, purity, and potency using HPLC, LC-MS/MS, and NMR where applicable .

Every batch of Hardcore Labs RAD140 (Testolone) undergoes comprehensive testing:

• HPLC Purity Analysis: ≥98% purity confirmed by high-performance liquid chromatography

• Mass Spectrometry Verification: Molecular weight confirmation via LC-MS/MS

• NMR Structural Elucidation: Proton and carbon NMR for structural verification

• Batch-Specific Certificates of Analysis: Complete documentation with QR-linked batch pages for easy access

• Impurity Profiling: Comprehensive overview of residuals relative to method detection limits

• Stability Testing: Validated storage stability under recommended conditions

Chemical Specifications

Hardcore Labs RAD140 (Testolone) is characterized by:

Stability and Handling

Hardcore Labs RAD140 (Testolone) demonstrates excellent stability when stored properly:

• Storage Conditions: Store powder or solution at -20°C, protected from light and moisture . The 2025 documentation standard includes explicit notes on light sensitivity and recommended storage ranges .

• Shelf Life: ≥4 years when stored under recommended conditions

• Solvent Compatibility: Detailed solubility information provided to support method development and transfer

• Handling Guidance: Each shipment includes plain-language handling notes covering agitation guidance for suspensions, light exposure considerations, and simple visual checks for optical clarity

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Real-World Research Applications and Investigator Experiences

Muscle Fiber Hypertrophy Studies

Researchers investigating anabolic pathways consistently report that RAD140 (Testolone) provides reliable and reproducible activation of androgen receptor-mediated gene expression in muscle tissue. A 2024 study demonstrated that RAD140 treatment at 1 mg/kg for 14 days produced significant hypertrophy in rat plantaris muscle, with average cross-sectional area increasing by approximately 40% compared to controls .

The differential effects observed between muscle groups (plantaris vs. tibialis anterior) suggest that muscle fiber type composition, recruitment patterns, and load challenges play important roles in the hypertrophic response to RAD140 . Plantaris muscle, which contains a higher proportion of fast-twitch fibers and is involved in plantar flexion, showed significant growth, while tibialis anterior, involved in dorsiflexion, did not. These findings provide valuable insights for researchers designing studies on muscle-specific anabolic responses.

Bone Health Investigations

A comprehensive 2025 study in orchidectomized Wistar rats demonstrated that RAD140 significantly increased osteoblast counts while decreasing osteoclast counts in a dose-dependent manner . The treatment group showed significant improvements in both bone formation and resorption parameters, suggesting that RAD140 could be further investigated for osteoporosis research and conditions involving bone loss.

The study also confirmed significant increases in gastrocnemius muscle fiber cross-sectional area and myonuclei count, supporting RAD140’s dual anabolic effects on both muscle and bone tissue . These findings align with the compound’s profile as a selective androgen receptor modulator with tissue-specific activity.

Prostate Safety Profile

Research published in 2024 examined the effects of RAD140 on prostate tissue in orchidectomized rat models . The study found no significant differences in prostate mass, fibromuscular stroma ratio, or testosterone levels between RAD140-treated groups and controls, supporting the tissue-selective nature of the compound. These findings are consistent with earlier research showing that at doses up to 0.3 mg/kg, RAD140 stimulates muscle growth without affecting prostate or seminal vesicle weight .

Neuroprotection Studies

In vitro studies have demonstrated that RAD140 (0-300 nM) increases neuron viability against Aβ-induced toxicity in a concentration-dependent manner, and at 100 nM, protects cultured neurons against apoptotic insults . The compound induces significant increases in phosphorylated ERK levels, suggesting activation of survival pathways. In vivo studies using rat kainate lesion models have confirmed RAD140’s neuroprotective effects, with activation of androgenic gene regulation in neural tissues .

Key Benefits

• Premium Hardcore Labs Manufacturing: Industry-leading quality control with ISO-accredited third-party testing

• ≥98% HPLC Purity: Guaranteed purity for reliable, reproducible research results

• Selective Androgen Receptor Modulation: High-affinity binding to androgen receptors with Ki of 7 nM

• Tissue-Selective Activity: Anabolic effects in muscle and bone with reduced androgenic effects in prostate

• Muscle Hypertrophy: Increases muscle fiber cross-sectional area by up to 40% in plantaris muscle

• Myonuclei Accrual: Significant increases in myonuclei count in gastrocnemius muscle

• Fiber Type Specific Effects: Differential responses based on muscle recruitment and fiber composition

• Osteoblast Stimulation: Increases osteoblast counts in dose-dependent manner

• Osteoclast Inhibition: Decreases osteoclast counts, improving bone formation/resorption balance

• Prostate Sparing: No significant effects on prostate mass or fibromuscular stroma in preclinical models

• Neuroprotective Properties: Protects neurons against apoptotic insults and Aβ-induced toxicity

• ERK Pathway Activation: Increases phosphorylated ERK levels, activating survival pathways

• Oral Bioavailability: Excellent absorption with predictable pharmacokinetics

• Comprehensive Documentation: QR-linked Certificates of Analysis with batch-specific data

• Research Briefs: Consolidated peer-reviewed context and analytical notes

• Method Transfer Support: Solvent compatibility and handling guidance for analytical workflows

• 48-Hour EU & UK Delivery: Rapid shipping to research facilities across Europe

• Batch Consistency: Rigorous quality control ensures lot-to-lot reproducibility

• Expert Technical Support: Knowledgeable staff for formulation and protocol guidance

• Competitive Pricing: Premium quality at accessible research budgets

• Secure, Discreet Packaging: Temperature-appropriate shipping containers

• EU Sourced: Manufactured and distributed from within the European Union

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Frequently Asked Questions

Q: Is Hardcore Labs RAD140 (Testolone) suitable for human consumption?

A: No. Hardcore Labs RAD140 (Testolone) is strictly for research and laboratory use only . It is not for human or animal consumption. RAD140 is not approved by regulatory bodies for any therapeutic indication; all use is considered investigational . Researchers must handle this compound in accordance with institutional safety guidelines and local regulations.

Q: What purity level can I expect when I buy Hardcore Labs RAD140 from eupeptidelap.co.uk?

A: All Hardcore Labs RAD140 (Testolone) is tested to ≥98% purity by HPLC . Each batch is individually analyzed with ISO-accredited third-party testing, and QR-linked Certificates of Analysis are provided with every order, ensuring you receive material suitable for rigorous research applications .

Q: How should I store Hardcore Labs RAD140 for long-term stability?

A: For optimal stability, store Hardcore Labs RAD140 (Testolone) solution at -20°C, protected from light and moisture . The 2025 documentation standard includes explicit storage guidance and light-exposure notes on the listing to reduce handling-related variability . Under these conditions, the compound remains stable for ≥4 years .

Q: What solvents can I use to dissolve RAD140 for in vitro studies?

A: RAD140 (Testolone) is soluble in DMF (30 mg/mL), DMSO (30 mg/mL), and ethanol (2 mg/mL). For aqueous applications, it can be diluted in Ethanol:PBS (pH 7.2) at a 1:3 ratio to achieve 0.25 mg/mL solubility . For cell culture applications, prepare a concentrated stock in DMSO, then dilute to working concentrations in culture medium. Final solvent concentrations should typically not exceed 0.1% in cell-based assays.

Q: Do you ship Hardcore Labs RAD140 to EU countries?

A: Yes. As a dedicated EU peptide supplier, we ship Hardcore Labs RAD140 (Testolone) to all European Union member states with our guaranteed 48 hour delivery peptide service. Our EU fulfilment centre ensures rapid delivery without customs delays. Each unit ships in protective secondary packaging with labeling designed to remain legible during transit .

Q: What documentation do you provide with Hardcore Labs RAD140 orders?

A: Every order includes a QR-linked Certificate of Analysis with batch-specific purity data, impurity overview, and lot identifiers for traceability . Additional documentation, including HPLC chromatograms and mass spectrometry data, is available upon request for researchers requiring comprehensive analytical verification.

Q: What research areas commonly use RAD140 (Testolone)?

A: RAD140 is widely used in muscle hypertrophy research , bone density studies , osteoporosis investigations , prostate research , cancer cachexia studies , neuroprotection research , and androgen receptor signaling research.

Q: What is the mechanism of action of RAD140?

A: RAD140 (Testolone) is a selective androgen receptor modulator (SARM) that binds to androgen receptors with high affinity (Ki = 7 nM) . It acts as an agonist in skeletal muscle and bone, promoting protein synthesis and tissue growth, while acting as an antagonist in tissues like the prostate and breasts, blocking AR activation and AR-mediated cellular proliferation .

Q: Has RAD140 been shown to increase muscle fiber size in research?

A: Yes. A 2024 study demonstrated that RAD140 treatment (1 mg/kg for 14 days) significantly increased cross-sectional area in rat plantaris muscle fibers (33,935 ± 2413 vs. 24,219 ± 992 AU, p < .05) . A 2025 study confirmed significant increases in gastrocnemius muscle fiber cross-sectional area and myonuclei count .

Q: Does RAD140 affect bone tissue?

A: Yes. A 2025 study demonstrated that RAD140 significantly increased osteoblast counts while decreasing osteoclast counts in orchidectomized rats, suggesting potential applications in osteoporosis research .

Q: What is the binding affinity of RAD140 for androgen receptors?

A: RAD140 (Testolone) has a Ki value of 7 nM for the androgen receptor, demonstrating high-affinity binding .

Q: Does RAD140 affect the prostate?

A: Research has shown that at doses of 0.03-0.3 mg/kg, RAD140 stimulates muscle growth without affecting prostate or seminal vesicle weight in castrated male rats . A 2024 study found no significant differences in prostate mass or fibromuscular stroma ratio in RAD140-treated animals compared to controls .

Q: Does RAD140 have neuroprotective properties?

A: Yes. Studies have demonstrated that RAD140 protects cultured neurons against apoptotic insults, increases neuron viability against Aβ-induced toxicity, and induces significant increases in phosphorylated ERK levels . In vivo studies using rat kainate lesion models have confirmed its neuroprotective effects .

Q: Do you offer bulk quantities of Hardcore Labs RAD140 for institutional research?

A: Yes. We accommodate bulk orders for research institutions. Contact our team at sales@eupeptidelap.co.uk for volume pricing, custom requirements, and supply agreements for ongoing research programs.

Q: Is RAD140 suitable for cell culture studies?

A: Yes, RAD140 is suitable for cell culture research, with effective concentrations reported at 0-300 nM for neuron viability studies . Reconstitute appropriately in DMSO and dilute to working concentrations. Filter sterilize if required by your protocol.

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Advance Your Research with Hardcore Labs RAD140 (Testolone)

eupeptidelap.co.uk is your trusted source for Hardcore Labs RAD140 (Testolone), the premium choice for researchers investigating androgen receptor biology, muscle hypertrophy, and bone density regulation. With over a decade of preclinical research supporting its tissue-selective anabolic properties, RAD140 represents one of the most extensively studied SARMs in the research community.

Whether you are exploring muscle fiber type-specific hypertrophy, designing osteoporosis studies, investigating neuroprotective mechanisms, or studying androgen receptor signaling, our rigorously tested compound provides the quality and consistency your work demands. The 2025 documentation standards ensure you have access to comprehensive analytical data, handling guidance, and literature context to support reproducible research outcomes. ...........................................

Order today and experience the eupeptidelap.co.uk difference – premium Hardcore Labs quality, rapid 48-hour delivery across the EU and UK, and expert support for the European research community.

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