Methyl Testosterone 25mg
€ 39,00
25 mg · 50 tablets · Fast-acting oral anabolic — Methyltestosterone 25 mg is a potent testosterone analog used in strength-gain studies, androgen–estrogen pathway research, and hepatotoxicity modeling. With a ~3-hour half-life and ~70% oral bioavailability, it offers precise, short-term experimental control in hormone-response protocols.
Brand: Magnus Pharmaceuticals
Content: 50 tablets | 25 mg per tablet
Price: €39
Manufactured in: Europe
Methyltestosterone 25 mg provides a fast-acting, 17-α-alkylated analog of testosterone used in research for strength-gain modeling, anabolic signalling, and androgen–estrogen conversion studies.
Its oral bioavailability (~70%) allows precise molar dosing in non-injectable studies, while a short elimination half-life (~3 h) supports high-resolution pharmacokinetic tracking. Readily aromatising, it serves as a comparative compound in pure-androgen vs. mixed-hormone pathway exploration.
✅ Key Research HighlightsHigh anabolic potential: In-vitro binding at ~45% of DHT affinity (≈2× testosterone), supporting strong protein-synthesis models
Rapid strength and mass gain: 15 mg/day for 6 weeks outperforms placebo in body-weight and leg-press trials
Androgen–estrogen contrast: Aromatisation enables side-by-side comparison of fluid-retention and gynecomastia pathways
Efficient oral dosing: Despite hepatic metabolism, 70% oral bioavailability ensures reliable delivery
Short half-life: ≈3 h clearance allows frequent sampling and detailed PK/PD curve analysis
WADA classification: Listed as an S1 anabolic agent; long-term urinary metabolites detectable for over 6 days
🔬 Suggested Laboratory ApplicationsStrength-enhancement and lean-mass growth research
Post-androgen receptor response studies
Estrogen conversion and fluid-retention modeling
Hepatotoxicity and lipid profile alteration experiments
Anti-doping detection model validation
📊 Technical Specifications| Field | Data |
|---|---|
| Chemical Name | Methyltestosterone |
| Chemical Formula | C20H30O2 |
| Synonyms | Methylandrostenolone; Android; 17α-methyltestosterone |
| Molecular Weight | 302.45 g/mol |
| CAS Number | 58-18-4 |
| Half-life (oral) | ≈ 3 hours; peak concentration at 1–2 h |
| Documented Benefits | ↑ Muscle strength, ↑ nitrogen retention, ↑ lean mass |
| Main Risks | Hepatotoxicity, cholestatic jaundice, gynecomastia, lipid shifts, acne |
| Total Active Compound | 1,250 mg per carton (25 mg × 50 tablets) |
| Shelf-life | 36 months (manufacturer specification) |
| Detection Window | > 6 days (urinary 17-epi metabolites) |
Demonstrates significant androgen-receptor activity in vitro
Boosts muscle gain and strength in dose-dependent trials
Enhances nitrogen retention and glycogen utilization in lab models
A useful reference in comparing androgenic vs. estrogenic outcomes
⚠️ Documented Research Side EffectsCholestatic jaundice and hepatocellular stress at ≥4 weeks
Dyslipidaemia (HDL↓ / LDL↑), water retention, hypertension
Acne and gynecomastia from aromatised pathways
Positive doping tests from long-term 17-epi metabolites
🧯 Handling & ComplianceFor Research Use Only — Not for human or veterinary use
Store at ≤ 25°C, protected from light and moisture
Purchase confirms qualified researcher status
WADA-listed substance — exposure triggers positive doping test
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