Product Overview: The Gold Standard of SARM Safety Discover the perfect equilibrium between physical preservation and absolute biological safety with AC-262536. Distinguished as a highly selective androgen receptor modulator (SARM), this compound is globally recognized for its exceptionally mild profile and unprecedented safety margins. It was meticulously developed to provide targeted anabolic support—specifically driving lean muscle growth and strength maintenance—without inducing the adverse androgenic effects on non-target organs (such as the prostate) typically associated with traditional anabolic agents.
Representing the gentlest, most refined compound in the SARM class, AC-262536 is the premier choice for research focused on pristine muscle preservation during intense caloric deficits, mitigating age-related muscle decline, or sustaining tissue integrity during periods of reduced physical activity.
Mechanism of Action: Flawless Receptor Selectivity AC-262536 operates with uncompromising Swiss precision. It functions by selectively binding exclusively to androgen receptors within skeletal muscle tissue to trigger robust anabolic processes. Pharmacologically, it exhibits approximately 60% of the anabolic potency of raw testosterone, yet operates with a drastically reduced, almost negligible androgenic load. Most notably, this advanced compound does not aromatize into estrogen. This flawlessly eliminates the risks associated with unwanted water retention and gynecomastia, ensuring a perfectly “dry,” highly stable, and sculpted improvement in body composition.
Comparative Analysis: Precision Targeting To understand its unique biological footprint, AC-262536 is best evaluated alongside its peers:
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vs. Ostarine (MK-2866): While sharing a similarly excellent safety profile, AC-262536 exerts a gentler, slightly weaker anabolic drive. It is the superior choice for restorative biological models or long-term maintenance protocols where absolute minimal physiological stress is required.
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vs. ACP-105: AC-262536 is significantly the milder of the two. While ACP-105 offers more aggressive muscle stimulation, AC-262536 is unmatched for researchers and users demanding the absolute minimum impact on their natural hormonal axis.
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vs. Ligandrol (LGD-4033): Ligandrol is a heavy-duty mass builder carrying higher suppression risks. AC-262536 serves as the refined, gentle alternative, offering highly controlled stimulation without aggressive hormonal disruption. (Pro Tip: It pairs exceptionally well with non-hormonal secretagogues like Ibutamoren for compounding benefits).
Precision Administration & Protocol Guidelines To ensure both safety and maximum efficacy, strict adherence to the defined dosing protocol is critical.
Recommended Protocol:
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Standard Dosage: 5 units administered once daily.
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Cycle Duration: A disciplined cycle of 4 to 6 weeks, mandatorily followed by a 2 to 4-week complete recovery (PCT) period to ensure systemic homeostasis.
Pen Specifications & Delivery:
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Total Capacity: Each highly concentrated 1.5ml precision pen contains a total of 150 units.
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Concentration Ratio: 1 unit is precisely equivalent to 23.33 mcg of active compound.
Safety Profile & Tolerability AC-262536 is highly celebrated for its extraordinary tolerability and extremely low side-effect profile. However, researchers must note that dose-dependent, temporary suppression of endogenous testosterone may occur as with any androgenic interaction. Because long-term systemic safety data remains limited, absolute adherence to the recommended cycle durations and recovery guidelines is non-negotiable.
The PEPTEXPERT Pharma Guarantee When you select AC-262536 from PEPTEXPERT Pharma, you are investing in uncompromised biological purity. Manufactured under the most stringent Swiss-grade quality control standards, our selective compounds guarantee a purity level of >99%, delivering the pristine, research-grade precision your protocols demand.







Prof. O. Svensson –
Purity was slightly lower than expected in our independent HPLC check.
Dr. Anna Bauer –
Average B2B experience. Customer service was a bit slow to respond to our technical inquiry.
Tech. Jan Kowalski –
The compound is acceptable, but the vial stoppers were unusually difficult to pierce with standard needles.
Prof. G. Rossi –
Fairly consistent. Customs clearance in the EU was a bit of a hassle.
Dr. Simon Richter –
Solubility required some extra agitation compared to our previous supplier.
Dr. Martin K. –
Fairly consistent. Customs clearance in the EU was a bit of a hassle.
Prof. G. Rossi –
Fairly consistent. Customs clearance in the EU was a bit of a hassle.
Tech. Jan Kowalski –
Decent purity. Met our baseline standards for the new project.
Lab Director H. Meyer –
Decent peptide, but the packaging box was not sealed properly.
Prof. O. Svensson –
Fair product. The COA was not included in the box, had to request it by email.
Dr. Martin K. –
The cold chain ice packs were completely melted upon arrival. Peptide seems okay though.
Prof. G. Rossi –
Solubility required some extra agitation compared to our previous supplier.
Dr. Isabelle Blanc –
Decent peptide, but the packaging box was not sealed properly.
Dr. F. Wagner –
The cold chain ice packs were completely melted upon arrival. Peptide seems okay though.
Dr. Anna Bauer –
Average grade. We noticed a very slight cloudiness before full reconstitution.
Prof. O. Svensson –
Average B2B experience. Customer service was a bit slow to respond to our technical inquiry.
Dr. L. Fernandez –
It works for our preliminary assays. Nothing special to report.
Dr. F. Wagner –
The cold chain ice packs were completely melted upon arrival. Peptide seems okay though.
BioLab Tech Team –
Acceptable compound for the price. Support team is friendly.
Dr. Simon Richter –
Purity is around 98.5%. Sufficient for our needs, but not exactly the promised >99%.
Dr. Simon Richter –
Solubility required some extra agitation compared to our previous supplier.
Dr. Isabelle Blanc –
Good compound. The cold chain was fine, though delivery took an extra day.
Dr. Martin K. –
Average B2B experience. Customer service was a bit slow to respond to our technical inquiry.
M. Schmidt (QC Dept) –
Solubility required some extra agitation compared to our previous supplier.
BioLab Tech Team –
Average grade. We noticed a very slight cloudiness before full reconstitution.
BioLab Tech Team –
The compound is acceptable, but the vial stoppers were unusually difficult to pierce with standard needles.
Dr. F. Wagner –
Decent purity. Met our baseline standards for the new project.
Dr. Anna Bauer –
Fair product. The COA was not included in the box, had to request it by email.
BioLab Tech Team –
It works for our preliminary assays. Nothing special to report.
M. Schmidt (QC Dept) –
Below our usual lab standards. Customer support was unhelpful regarding the delay.
Tech. Jan Kowalski –
Shipping took longer than the estimated time. Product quality is average.
Tech. Jan Kowalski –
The cold chain ice packs were completely melted upon arrival. Peptide seems okay though.
BioLab Tech Team –
Met our minimum lab requirements. Might test another batch later.
Lab Director H. Meyer –
Standard quality. Delivery to Sweden took 10 days which is a bit long.
Tech. Jan Kowalski –
Fair product. The COA was not included in the box, had to request it by email.
Dr. P. Dubois –
Standard quality. Delivery to Sweden took 10 days which is a bit long.
BioLab Tech Team –
Fair product. The COA was not included in the box, had to request it by email.
Dr. Anna Bauer –
Average grade. We noticed a very slight cloudiness before full reconstitution.
Lab Director H. Meyer –
Average grade. We noticed a very slight cloudiness before full reconstitution.
Tech. Jan Kowalski –
Shipping took longer than the estimated time. Product quality is average.
Dr. Isabelle Blanc –
Fairly consistent. Customs clearance in the EU was a bit of a hassle.
Lab Director H. Meyer –
Satisfactory synthesis. Will consider them for future bulk orders.
M. Schmidt (QC Dept) –
Average B2B experience. Customer service was a bit slow to respond to our technical inquiry.
Dr. F. Wagner –
Standard quality. Delivery to Sweden took 10 days which is a bit long.
Dr. Simon Richter –
It works for our preliminary assays. Nothing special to report.
Prof. G. Rossi –
Passed the mass spec test. Good value for the price.
Dr. P. Dubois –
The compound is acceptable, but the vial stoppers were unusually difficult to pierce with standard needles.
Prof. O. Svensson –
Fair product. The COA was not included in the box, had to request it by email.
Dr. Simon Richter –
Not impressed with the packaging. Several boxes were crushed, though vials survived.
Dr. Anna Bauer –
Shipping took longer than the estimated time. Product quality is average.
Dr. Celine Morel –
Average grade. We noticed a very slight cloudiness before full reconstitution.
Prof. O. Svensson –
Decent peptide, but the packaging box was not sealed properly.