Oxandrolone(Anavar)Steroid Powder For Bodybuilding CAS:53-39-4
Oxandrolone, commercially known as Anavar, is a synthetic anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Developed in the 1960s by Searle Laboratories (now Pfizer), it was initially prescribed to treat muscle-wasting conditions, severe burns, and osteoporosis.
Introduction to Oxandrolone (Anavar)
Oxandrolone, commercially known as Anavar, is a synthetic anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). Developed in the 1960s by Searle Laboratories (now Pfizer), it was initially prescribed to treat muscle-wasting conditions, severe burns, and osteoporosis. Its unique chemical structure-a modification at the 2nd carbon position with an oxygen atom replacing the carbon-enhances its anabolic properties while reducing hepatic toxicity, making it suitable for oral administration. Unlike many steroids, Oxandrolone is prized in bodybuilding for its mild nature and favorable safety profile, particularly among athletes and women.
Key Features of Oxandrolone
●Low Androgenicity: With an androgenic rating of 24 (vs. testosterone's 100), Oxandrolone minimizes side effects like acne, hair loss, and aggression.
●Anabolic Ratio: Its anabolic rating of 322 promotes muscle growth without significant water retention.
●DHT Derivative: Lacks aromatization (conversion to estrogen), eliminating gynecomastia or bloating risks.
●Oral Bioavailability: The 17-alpha-alkylation allows oral use, though it introduces mild hepatotoxicity.
●Short Half-Life: Approximately 9 hours, requiring split dosing for stable blood levels.
●Gender Versatility: Safe for women at low doses due to low virilization risk.
Applications in Bodybuilding
●Cutting Cycles: Preserves lean mass during caloric deficits, enhancing muscle definition.
●Strength Enhancement: Boosts power output without bulk, ideal for weight-class athletes.
●Muscle Recovery: Accelerates repair post-injury, favored during rehabilitation phases.
●Female Use: Preferred for its minimal virilization effects (e.g., voice deepening, clitoromegaly).
●Endurance Support: Mild erythrocytosis (increased RBCs) improves oxygen delivery, aiding stamina.
Benefits Over Other Steroids
●Lean Gains: Promotes quality muscle with minimal fat or water retention.
●Hepatic Tolerance: Safer for short-term use compared to alkylated steroids like Dianabol.
●Lipolytic Effects: Enhances fat oxidation through thyroid hormone interaction.
●Low Estrogenic Activity: No need for anti-estrogens during cycles.
●Versatility: Effective as a standalone or in stacks (e.g., with Testosterone or Clenbuterol).
Dosage Protocols
●Men: 20–80 mg/day, split into 2–3 doses. Beginners start at 20–30 mg; advanced users may reach 80 mg.
●Women: 5–20 mg/day to avoid virilization. Cycles rarely exceed 6 weeks.
●Cycle Length: 6–8 weeks, extending to 10 weeks with liver support (e.g., TUDCA).
●Stacking: Combined with Testosterone Propionate for bulking or Winstrol for cutting.
Pharmacokinetics & Half-Life
●Half-Life: ~9 hours, necessitating twice-daily dosing.
●Metabolism: Processed in the liver, excreted via urine. Regular liver enzyme monitoring is advised.
●Detection Time: Up to 3 weeks in urine, critical for drug-tested athletes.
Post-Cycle Therapy (PCT)
Despite its mildness, Oxandrolone suppresses natural testosterone production. PCT begins 24–48 hours post-cycle:
●Clomiphene (Clomid): 50 mg/day for 4 weeks.
●Tamoxifen (Nolvadex): 20 mg/day for 4 weeks.
●HCG Option: 500 IU every other day for 2 weeks pre-PCT to jumpstart Leydig cells.
Quality & Legality of Powder Form
●Sourcing Challenges: Raw powder is often sourced from underground labs, risking contamination.
●Purity Testing: Third-party lab verification for heavy metals, solvents, and concentration.
●Legal Status: Classified as a Schedule III drug in the U.S., requiring a prescription. Non-medical use is illegal.
Risks & Mitigation Strategies
●Lipid Impact: Reduces HDL ("good" cholesterol). Mitigate with omega-3s and cardio.
●Hepatotoxicity: Mild but present. Use liver protectants and avoid alcohol.
●Virilization in Women: Start with 5 mg/day and monitor for voice changes or hair growth.
Myths & Misconceptions
●"100% Safe": Misleading; chronic use still risks cholesterol and liver issues.
●No PCT Needed: Even mild suppression requires recovery protocols.
●Effective for Bulking: Weak for mass gain; better suited for cutting.
Innovations & Trends
●Transdermal Applications: Experimental use in topical formulations to bypass the liver.
●Hybrid Stacks: Combined with SARMs (e.g., Ostarine) for synergistic effects with fewer side effects.
●Genetic Testing: Personalized dosing based on androgen receptor sensitivity.
Ethical & Legal Considerations
●Sports Bans: Prohibited by WADA and NCAA. Athletes risk disqualification.
●Prescription Loopholes: Online clinics prescribing for "hormone optimization" remain controversial.
Clinical Data
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Trade names |
Oxandrin, Anavar,Var; CB-8075; NSC-67068; SC-11585; Protivar; 17α-Methyl-2-oxa-4,5α-dihydrotestosterone; |
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CAS |
53-39-4 |
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Molar mass |
306.45 |
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Formula |
C19H30O3 |
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Purity |
Above 98% |
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Apprarance |
White crystalline powder |
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Conclusion
Oxandrolone remains a cornerstone in bodybuilding for its safety and efficacy, particularly in cutting and female cycles. However, responsible use-paired with medical oversight, rigorous PCT, and lifestyle adjustments-is critical to mitigate risks. As the fitness industry evolves, so do protocols surrounding this versatile steroid, blending tradition with modern science.
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