Pro-Anavar 50mg (Oxandrolone) 50 Tablets | iRoids Pharma
Pro-Anavar 50mg is an oral anabolic steroid containing 50mg of Oxandrolone per tablet, available in packs of 50 tablets. At iRoids Pharma, we carry Pro-Anavar 50mg as part of our oral anabolic steroid inventory for customers in markets where Oxandrolone is legally available.
Oxandrolone is the active compound in this preparation. Pro-Anavar is the brand designation under which this specific Oxandrolone preparation is marketed at iRoids Pharma. The compound is widely recognized under the brand name Anavar and the FDA-approved pharmaceutical brand name Oxandrin. Oxandrolone carries active FDA approval for specific medical indications and has one of the most extensively documented clinical research bases of any oral anabolic steroid discussed in performance communities globally.
The 50mg tablet format of this preparation represents the highest per-tablet concentration of Oxandrolone commonly available in non-prescription markets and significantly exceeds both standard pharmaceutical clinical tablet formats. The FDA-approved Oxandrin product is available at 2.5mg and 10mg tablet formats. The 50mg concentration consequently delivers five times the active compound per tablet compared to the maximum standard pharmaceutical clinical format. This concentration carries specific pharmacological implications that distinguish it substantially from the clinical reference standard and are directly relevant to anyone researching Pro-Anavar at iRoids Pharma. This page covers the pharmacology, brand-specific context, concentration-specific considerations, and health and legal context relevant to anyone researching Oxandrolone at iRoids Pharma. It does not constitute medical advice, recommend steroid use, or provide dosage, cycle, or stacking guidance of any kind.
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Pro-Anavar 50mg |
| Brand | Pro-Anavar |
| Website | iroidspharma.com |
| Active Compound | Oxandrolone |
| Also Known As | Anavar, Oxandrin, Var, Oxandrolone |
| Drug Class | Anabolic-androgenic steroid, 17-alpha alkylated oral steroid, DHT derivative |
| Concentration | 50mg per tablet |
| Pack Size | 50 tablets |
| Total Active Compound Per Pack | 2500mg |
| Presentation | Oral tablet |
| Form | Tablet |
| Half-Life | Approximately 9 to 10 hours |
| Route of Administration | Oral |
| Anabolic Rating | 322 to 630 relative to testosterone baseline of 100 |
| Androgenic Rating | 24 relative to testosterone baseline of 100 |
| Aromatization | None |
| 17-Alpha Alkylated | Yes |
| Liver Toxicity | Mild to moderate, significantly amplified at the 50mg concentration |
| FDA Approval | Yes. Approved for weight regain after involuntary weight loss and bone pain from osteoporosis. |
| Legal Status | Schedule III controlled substance in the United States. Prescription required. Legal status varies by country. |
| Availability | iroidspharma.com |
About the Pro-Anavar Brand
Pro-Anavar is a non-prescription Oxandrolone preparation marketed under a distinct brand identity within the iRoids Pharma product catalog. The Pro-Anavar brand designation identifies this specific preparation as distinct from other Oxandrolone products in the non-prescription market while containing the same active Oxandrolone compound whose pharmacological profile is referenced throughout clinical literature under the Anavar brand name and Oxandrolone generic designation.
Buyers researching Pro-Anavar will find the pharmacological literature for this compound referenced under the Oxandrolone generic name, the Anavar brand name, and the FDA-approved Oxandrin brand name rather than under the Pro-Anavar brand designation specifically. The pharmacological profile described throughout this page applies to Oxandrolone as an active compound regardless of the specific brand designation. Pro-Anavar at iRoids Pharma consequently carries the same pharmacological mechanisms, clinical reference background, and health and legal considerations as any other 50mg Oxandrolone preparation.
The 50mg Concentration: The Most Important Context for This Preparation
The 50mg per tablet concentration of Pro-Anavar is the single most important pharmacological context for anyone researching this specific preparation. It differs from all pharmaceutical clinical reference formats for Oxandrolone in ways that are directly and significantly relevant.
Relationship to FDA-Approved Pharmaceutical Formats
The FDA-approved Oxandrin product is available exclusively at 2.5mg and 10mg tablet formats. The 50mg concentration of Pro-Anavar delivers five times the active compound per tablet compared to the maximum 10mg pharmaceutical clinical reference format and twenty times the active compound per tablet compared to the minimum 2.5mg clinical format.
The entire controlled clinical research base for Oxandrolone, including its extensive FDA approval documentation across HIV wasting, burn recovery, Turner syndrome, and osteoporosis indications, was accumulated at doses consistent with the 2.5mg and 10mg pharmaceutical formats. The dose-dependent side effect profile at 50mg per tablet consequently falls substantially outside the range most directly characterized by this controlled clinical literature. This distinction is more significant for Oxandrolone at the 50mg concentration than for most other compounds at iRoids Pharma that exceed their pharmaceutical reference formats, because Oxandrolone’s clinical research base was established at doses that are a fraction of the 50mg format.
Position Within the Non-Prescription Oxandrolone Market
Within non-prescription Oxandrolone markets, tablet formats of 10mg, 25mg, and 50mg are the most commonly available concentrations. The 50mg format of Pro-Anavar represents the maximum standard non-prescription Oxandrolone concentration. Every dose-dependent pharmacological effect including anabolic receptor activation, androgenic activity, liver stress, cardiovascular lipid effects, and HPG suppression is consequently more pronounced per tablet at the 50mg concentration than at any lower available format.
50 Tablet Pack Context
Each Pro-Anavar pack contains 50 tablets at 50mg per tablet, providing a total of 2500mg of active Oxandrolone per pack. This represents the highest per-pack total active compound among all standard non-prescription Oxandrolone pack configurations at the same tablet count. The 50mg per tablet concentration means each tablet delivers a substantially more potent per-tablet dose than any pharmaceutical clinical reference format and produces cumulative hepatic and cardiovascular lipid considerations more relevant per tablet than at lower concentration formats.
What Is Oxandrolone
Oxandrolone is a synthetic anabolic-androgenic steroid derived from Dihydrotestosterone. Searle Laboratories developed it in 1962 and introduced it to the US market under the Anavar brand name in 1964. From its introduction it was specifically designed to produce strong anabolic activity with minimal androgenic effects relative to its anabolic potency, a design goal that its structural modifications successfully achieved.
Structurally, Oxandrolone is a modified form of DHT. A methyl group at the 17-alpha position enables oral bioavailability. An oxygen atom replacing the carbon-2 atom in the A-ring of the steroid structure is directly responsible for Oxandrolone’s unusually high anabolic-to-androgenic ratio and its complete resistance to aromatization. These two structural modifications produce an oral anabolic steroid with an anabolic rating of 322 to 630 and an androgenic rating of only 24 relative to a testosterone baseline of 100.
As a DHT derivative, Oxandrolone does not aromatize to estrogen through any pathway. It is structurally incompatible with the aromatase enzyme and consequently cannot undergo enzymatic conversion to estradiol. Estrogenic side effects are therefore not part of its direct pharmacological profile at any concentration including the 50mg Pro-Anavar format.
How Oxandrolone Works
Oxandrolone reaches systemic circulation in active form following oral administration due to the hepatic protection provided by 17-alpha alkylation. It subsequently interacts with biological systems through several pharmacological mechanisms.
Androgen Receptor Binding
Oxandrolone binds to androgen receptors throughout the body with an anabolic rating of 322 to 630 and an androgenic rating of only 24. This extraordinary anabolic-to-androgenic ratio reflects highly favorable receptor binding characteristics in muscle tissue relative to androgenic non-target tissues. At the 50mg concentration, androgen receptor activation is five times more pronounced per tablet than at the maximum standard pharmaceutical 10mg format, producing proportionally more robust downstream anabolic effects alongside proportionally more pronounced androgenic side effects per tablet.
Nitrogen Retention
Oxandrolone produces positive nitrogen retention in skeletal muscle tissue. The body retains more nitrogen than it excretes, supporting an anabolic environment that favors muscle repair and preservation. This mechanism is documented across the extensive clinical research base for Oxandrolone and operates at proportionally greater intensity at the 50mg concentration than at the clinical reference formats.
Protein Synthesis
Oxandrolone accelerates protein synthesis in skeletal muscle tissue through androgen receptor-mediated gene transcription programs. Enhanced protein synthesis supports muscle repair, growth, and maintenance. At the 50mg concentration, this mechanism operates at five times the per-tablet intensity of the maximum pharmaceutical clinical format.
No Aromatization
Oxandrolone does not convert to estrogen through the aromatase enzyme pathway. As a DHT derivative with an oxygen atom substitution at the 2-carbon position, it is structurally incompatible with aromatase and cannot undergo conversion to estradiol. Estrogenic side effects including water retention and gynecomastia are consequently not part of its pharmacological profile at any concentration including the 50mg Pro-Anavar format.
IGF-1 Stimulation
Oxandrolone increases Insulin-like Growth Factor 1 production through androgen receptor-mediated mechanisms. IGF-1 plays a direct role in muscle repair, recovery, and anabolic activity throughout the body. This mechanism contributes to the muscle preservation and recovery effects documented across Oxandrolone’s clinical research base and is proportionally more active at the 50mg concentration than at lower formats.
Creatine Phosphate Synthesis
Oxandrolone enhances creatine phosphate synthesis in muscle tissue. Creatine phosphate is a primary energy substrate for high-intensity muscular activity. Enhanced creatine phosphate availability supports strength and power output during physical activity and is among the documented pharmacological mechanisms of Oxandrolone contributing to its performance-related effects.
Clinical Background
Oxandrolone carries a more extensive clinical history than virtually any other anabolic steroid discussed in performance communities, with multiple FDA-approved indications and decades of controlled clinical trial data.
FDA Approval and Current Indications
The FDA approved Oxandrolone under the brand name Oxandrin, currently produced by Savient Pharmaceuticals. Unlike most anabolic steroids, Oxandrolone retains active FDA approval today. Its current approved indications include weight regain following involuntary weight loss associated with surgery, chronic infection, trauma, or prolonged corticosteroid use, and bone pain associated with osteoporosis.
HIV and AIDS-Related Muscle Wasting
Multiple controlled clinical trials document Oxandrolone’s efficacy in preserving and restoring lean body mass in HIV-positive patients experiencing involuntary weight loss. This clinical application represents one of the most well-documented uses of any anabolic steroid in modern medical research and was conducted at doses consistent with the 2.5mg and 10mg pharmaceutical formats.
Burns and Wound Healing
Clinical research documents Oxandrolone’s efficacy in accelerating recovery and preserving lean body mass in severe burn patients. Studies in both pediatric and adult burn patients demonstrate meaningful improvements in recovery outcomes with Oxandrolone use under medical supervision.
Turner Syndrome
Oxandrolone has been studied and used clinically in girls with Turner syndrome to promote linear growth, reflecting its documented low androgenic activity and relative safety profile at appropriate clinical doses.
Alcoholic Hepatitis
Clinical research has also examined Oxandrolone in the treatment of alcoholic hepatitis, representing a clinically distinct application that provides additional pharmacological reference context beyond muscle wasting and growth indications.
Pro-Anavar Versus Other Compounds at iRoids Pharma
Versus Oxandrolone 10mg and 25mg
All formats contain the same active Oxandrolone compound with identical pharmacological mechanisms. Pro-Anavar 50mg delivers five times the active compound per tablet compared to the 10mg format and double the active compound compared to the 25mg format. Every dose-dependent pharmacological effect and side effect is consequently five times more pronounced per tablet than at the 10mg format and twice as pronounced as at the 25mg format. The 10mg format aligns directly with the maximum standard pharmaceutical clinical reference format. Pro-Anavar 50mg exceeds this reference by five times per tablet.
Versus Winstrol 10mg
Both Stanozolol and Oxandrolone are non-aromatizing 17-alpha alkylated DHT-derived oral anabolic steroids. Stanozolol carries an anabolic rating of 320 and androgenic rating of 30. Oxandrolone carries an anabolic rating of 322 to 630 and androgenic rating of 24. At the same milligram concentration these two compounds carry broadly comparable receptor binding profiles. However, Pro-Anavar at 50mg delivers five times the per-tablet concentration of Winstrol 10mg. Stanozolol produces more pronounced adverse lipid effects and more significant collagen synthesis reduction than Oxandrolone at comparable doses. Oxandrolone carries active FDA approval for multiple indications while Stanozolol’s FDA approval is limited to hereditary angioedema.
Versus Superdrol 10mg
Superdrol contains Methasterone with an anabolic rating of 400 and androgenic rating of 20, severe hepatotoxicity, and no aromatization. Pro-Anavar 50mg contains Oxandrolone with an anabolic rating of 322 to 630 and androgenic rating of 24, mild to moderate hepatotoxicity significantly amplified at the 50mg concentration, and no aromatization. Both compounds are non-aromatizing DHT derivatives. However, Methasterone carries no clinical research base while Oxandrolone has multiple FDA-approved indications and extensive controlled clinical trial documentation. Methasterone’s hepatotoxicity is consistently documented as more severe than Oxandrolone’s even at the 50mg concentration.
Versus Pro-Dynabol 20mg
Pro-Dynabol contains Methandienone, a testosterone derivative that aromatizes significantly to estrogen, carries significant hepatotoxicity, and produces anabolic and androgenic ratings of 90 to 210 and 40 to 60 respectively. Pro-Anavar 50mg contains Oxandrolone, a DHT derivative that does not aromatize, carries comparatively milder hepatotoxicity even at the 50mg concentration, and produces an anabolic rating of 322 to 630 with an androgenic rating of only 24. These two compounds carry fundamentally different estrogenic profiles. Pro-Dynabol produces significant estrogenic conversion. Pro-Anavar produces none.
Versus Fluoxymesterone 10mg
Fluoxymesterone carries anabolic and androgenic ratings of 1900 and 1600 with severe hepatotoxicity and pronounced CNS stimulatory effects. Pro-Anavar 50mg carries anabolic and androgenic ratings of 322 to 630 and 24 with mild to moderate hepatotoxicity amplified at the 50mg concentration and no CNS stimulatory effects. Despite Pro-Anavar’s much higher per-tablet milligram dose, Fluoxymesterone’s extreme per-milligram potency means Fluoxymesterone 10mg remains substantially more androgenically potent per tablet. These two non-aromatizing oral androgens consequently represent vastly different pharmacological potency levels and risk profiles.
Side Effects and Health Risks
Pro-Anavar 50mg carries the pharmacological side effect profile of Oxandrolone at five times the maximum standard pharmaceutical clinical reference concentration. Oxandrolone’s side effect profile is generally considered milder than most oral anabolic steroids at clinical doses. However, the 50mg concentration amplifies every dose-dependent consideration substantially beyond the clinical reference range. These risks are real and cannot be minimized in any responsible discussion of this preparation.
Liver Toxicity
Liver toxicity is a primary health consideration for Pro-Anavar 50mg. Oxandrolone’s hepatotoxicity is consistently documented as milder than other 17-alpha alkylated oral anabolic steroids including Methandrostenolone, Stanozolol, and Oxymetholone at clinical doses. However, at the 50mg concentration, liver stress per tablet is five times more pronounced than at the maximum standard 10mg pharmaceutical format. The favorable comparative hepatotoxicity profile of Oxandrolone at clinical doses consequently does not directly translate to the 50mg non-prescription format. Elevated liver enzyme considerations are substantially more relevant at this concentration than at lower formats. Biochemical liver function monitoring is consequently an absolute essential health consideration for anyone using Pro-Anavar at the 50mg concentration.
Cardiovascular Effects
Oxandrolone produces adverse lipid profile changes including HDL cholesterol reduction and LDL cholesterol elevation. At the 50mg concentration, these lipid effects are five times more pronounced per tablet than at the maximum standard 10mg pharmaceutical format. The cardiovascular lipid implications of Pro-Anavar 50mg are consequently substantially more clinically relevant than those associated with Oxandrolone at clinical doses. Regular lipid monitoring is essential for anyone using this compound at the 50mg concentration.
Androgenic Effects
Despite its very low androgenic rating of 24, Oxandrolone still produces androgenic side effects in susceptible individuals at the 50mg concentration. Accelerated androgenetic alopecia in genetically predisposed individuals and acne are the most consistently reported androgenic effects. At the 50mg concentration, these androgenic effects are five times more pronounced per tablet than at the maximum standard pharmaceutical format. In women, virilization risks are serious considerations that are substantially amplified at the 50mg concentration compared to the clinical reference doses.
Hormonal Suppression
Oxandrolone suppresses the hypothalamic-pituitary-gonadal axis and natural testosterone production. At the 50mg concentration, HPG suppression is five times more pronounced per tablet than at the maximum standard 10mg pharmaceutical format. Post-use hormonal disruption may be more prolonged at this concentration than the clinical reference literature directly characterizes.
Psychological Effects
Anabolic steroid use carries documented associations with mood changes and irritability. These effects are proportionally more pronounced at the 50mg concentration than at clinical reference doses and remain relevant health considerations for anyone using Pro-Anavar over extended periods.
Legal and Regulatory Status
Oxandrolone retains active FDA approval under the brand name Oxandrin for specific clinical indications. Outside of those approved indications, it carries Schedule III controlled substance status in the United States. Possession without a valid prescription is consequently a federal offense regardless of concentration.
In the United Kingdom, Oxandrolone falls under Class C of the Misuse of Drugs Act. Unauthorized supply is a criminal offense.
The World Anti-Doping Agency bans Oxandrolone alongside all major athletic governing bodies. It appears on prohibited substance lists across Olympic sports, professional athletics, and competitive bodybuilding organizations that conduct testing.
You are responsible for confirming the legal status of Oxandrolone in your specific jurisdiction before purchasing from iRoids Pharma.
Frequently Asked Questions
Is Pro-Anavar 50mg Available at iRoids Pharma
Yes. iRoids Pharma carries Pro-Anavar 50mg in packs of 50 tablets for customers in markets where Oxandrolone is legally available. Visit iroidspharma.com to check current availability and pricing.
What Is the Half-Life of Oxandrolone
Oxandrolone produces a half-life of approximately 9 to 10 hours. This relatively extended oral anabolic steroid half-life supports stable plasma concentrations with twice-daily administration. This pharmacokinetic characteristic applies equally across all Oxandrolone concentration formats including Pro-Anavar 50mg.
How Many Tablets Are in Each Pro-Anavar Pack
Each iRoids Pharma Pro-Anavar pack contains 50 tablets at 50mg per tablet, providing a total of 2500mg of active Oxandrolone per pack.
How Does Pro-Anavar 50mg Compare to the Pharmaceutical Oxandrin Format
Pharmaceutical grade Oxandrin is available at 2.5mg and 10mg tablet formats. Pro-Anavar 50mg delivers five times the active Oxandrolone per tablet compared to the maximum 10mg pharmaceutical format and twenty times the active compound per tablet compared to the minimum 2.5mg format. Every dose-dependent pharmacological effect and side effect is consequently five times more pronounced per tablet at the 50mg concentration than at the maximum pharmaceutical clinical reference format.
Does Oxandrolone Aromatize
No. Oxandrolone does not convert to estrogen through the aromatase enzyme pathway. As a DHT derivative with an oxygen atom substitution at the 2-carbon position, it is structurally incompatible with aromatase. Estrogenic side effects are consequently not part of its pharmacological profile at any concentration including the 50mg Pro-Anavar format.
Why Is Oxandrolone Considered Mild Despite Having Active FDA Approval
Oxandrolone’s comparatively mild side effect profile at clinical doses reflects its low androgenic rating of 24, non-aromatizing characteristic, and relatively mild hepatotoxicity compared to other 17-alpha alkylated oral anabolic steroids at the 2.5mg and 10mg pharmaceutical formats. However, these favorable characteristics at clinical doses do not translate directly to the 50mg non-prescription format where every dose-dependent consideration is five times more pronounced per tablet. The clinical research base that establishes Oxandrolone’s mild profile was accumulated at a fraction of the 50mg concentration.
What Are the Most Serious Health Risks at the 50mg Concentration
Liver toxicity from 17-alpha alkylation at five times the maximum pharmaceutical clinical dose per tablet is the most clinically significant health risk at this concentration. Cardiovascular lipid dysregulation, androgenic effects, HPG suppression, and psychological effects complete the primary risk profile, all five times more pronounced per tablet than at the maximum standard pharmaceutical format. Medical supervision and regular biochemical monitoring including liver function tests, lipid panels, and hormonal assessment are consequently absolutely essential for anyone using Pro-Anavar at the 50mg concentration.
Is Pro-Anavar 50mg Legal to Purchase
Oxandrolone carries Schedule III controlled substance status in the United States despite its active FDA approval for specific indications. Legal status varies by jurisdiction. You are consequently responsible for confirming the legal status in your jurisdiction before purchasing from iRoids Pharma.
What to Consider Before Purchasing Pro-Anavar 50mg
Oxandrolone carries one of the most extensively documented clinical histories of any anabolic steroid discussed in performance communities, with multiple active FDA-approved indications and decades of controlled clinical trial documentation. This clinical background provides a comprehensive pharmacological reference for its mechanisms, efficacy, and safety profile. However, this clinical documentation was accumulated almost entirely at doses of 2.5mg to 10mg per tablet, representing a fraction of the 50mg concentration in Pro-Anavar.
The 50mg format delivers five times the active Oxandrolone per tablet compared to the maximum standard pharmaceutical format. Every dose-dependent pharmacological and side effect consideration is consequently five times more pronounced per tablet than the clinical literature most directly characterizes. The favorable comparisons between Oxandrolone and other oral anabolic steroids that apply at clinical doses consequently apply with diminishing relevance as the concentration increases substantially beyond the clinical reference range.
The iRoids Pharma non-prescription preparation does not carry the manufacturing oversight of pharmaceutical grade Oxandrin by Savient Pharmaceuticals. The clinical research base applies to the pharmacological and risk profile of the active compound regardless of the specific manufacturer or brand designation. Manufacturing standards and quality verification consequently differ between pharmaceutical grade and non-prescription preparations.
Oxandrolone carries documented liver toxicity, cardiovascular lipid, androgenic, HPG suppression, and psychological health risks. All of these considerations are five times more pronounced per tablet at the 50mg concentration than at the maximum standard pharmaceutical format. Medical supervision, regular biochemical monitoring, and informed awareness of the substantially amplified risk profile at this concentration are consequently essential starting points for anyone researching Pro-Anavar 50mg at iRoids Pharma.
For customers in markets where Oxandrolone is legally available, visit iroidspharma.com to check current Pro-Anavar 50mg availability, pricing, and stock levels.




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