Halotestin 5mg
5 mg · 100 tablets · Powerful oral research compound — Halotestin 5 mg delivers fluoxymesterone, a non-aromatising, high-AR-affinity steroid ideal for strength gain and CNS stimulation studies. Precision dosing and strong performance output make it ideal for lean-mass retention models with strict hepatotoxicity monitoring required.
€ 49.00
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Description
Halotestin 5 mg
Brand: Magnus Pharmaceuticals
Content: 100 tablets | 5 mg per tablet
Price: €49
Manufactured in: Europe
🧪 Product Overview
Halotestin 5 mg provides fluoxymesterone, a potent 17-α-alkylated, 9-fluoro androgenic steroid with roughly 5× the androgen-receptor (AR) affinity of testosterone. It’s a gold standard in strength-focused AAS research, particularly for muscle-performance modeling, neural drive stimulation, and non-estrogenic lean-mass retention.
Its small 5 mg dosing allows precision micro-administration in both low- and high-resolution sampling models. With ~100% oral bioavailability and a mean half-life of 9 hours, Halotestin is ideal for acute PK/PD trials involving strength output, aggression, and hormonal modulation—without estrogen conversion.
✅ Key Research Highlights
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Explosive strength modeling: ~5× AR binding vs. testosterone supports peak-force output studies
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Zero aromatisation: No estrogenic conversion — ideal for lean-gain without gynecomastia risks
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Neural & aggression activation: Reported increases in CNS stimulation and workout aggression
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Hepatic monitoring required: High risk of cholestatic jaundice and liver stress beyond 20 mg/day
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WADA S1 banned: Any exposure yields a positive anti-doping result
🔬 Suggested Laboratory Applications
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Androgen-receptor pathway modeling
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Non-estrogenic strength gain simulations
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Lean muscle maintenance in caloric-restriction studies
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CNS aggression and neural drive research
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Hepatotoxicity and cholestasis mechanism analysis
📊 Technical Specifications
| Field | Data |
|---|---|
| Chemical Name | Fluoxymesterone |
| Chemical Formula | C<sub>20</sub>H<sub>29</sub>FO<sub>3</sub> |
| Synonyms | Halotestin; Ultandren; 9-Fluoro-11β,17β-dihydroxy-17-methyl-androst-4-en-3-one |
| Molecular Weight | 336.45 g/mol |
| CAS Number | 76-43-7 |
| Half-life (oral) | ~9 hours; peak plasma at ~1–2 h |
| PubChem Benefits | ↑ strength, ↑ neural drive, ↓ estrogen-mediated effects |
| Main Risks | Cholestatic liver injury, mood swings, HDL↓/LDL↑, hypertension |
| Total Active Compound | 500 mg fluoxymesterone per carton (5 mg × 100 tablets) |
| Shelf-life | 36 months (manufacturer specification) |
| Detection Window | ≥ 7 days; LC-MS/MS detects long-term urinary metabolites |
⚙️ PubChem-Supported Research Insights
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Fluoxymesterone increases maximal force output and lean-muscle density
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Its non-aromatising structure eliminates estrogenic effects, such as fluid retention or gynecomastia
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Stimulates androgen-driven CNS activity for enhanced aggression and neural activation
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Documented use in androgen deficiency and ER+ cancer studies
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Any fluoxymesterone exposure is a guaranteed WADA S1 violation
⚠️ Documented Research Side Effects
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Hepatocellular injury and cholestatic jaundice in extended protocols
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Dyslipidaemia (HDL↓, LDL↑), acne, aggression, and hypertension
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Elevated liver enzymes, especially >20 mg/day or 2+ weeks of use
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Confirmed doping risk — banned across all tested competitive levels
🧯 Handling & Compliance
For Research Use Only — Not for human or veterinary use
Store at 20–25°C, protect from light and moisture
Purchase confirms qualified researcher status
Listed on WADA Prohibited List S1 — any exposure triggers a positive test
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