STROMUSC High Quality Methyltrienolone(Metribolone)5mg/ml For Bodybuilding CAS:965-93-5
Methyltrienolone, known almost mythically in underground bodybuilding circles as Metribolone or simply "Methyl-Tren," stands as one of the most potent and controversially dangerous oral anabolic steroids ever synthesized. It is not a compound for beginners, the casual enthusiast, or even the experienced user with a cautious approach. To understand Methyltrienolone is to examine the absolute extreme frontier of androgen pharmacology, where unparalleled anabolic power collides with profound, often unavoidable, toxicity. This analysis delves into its nature, features, and the harsh realities of its application, stripping away hyperbole to present a clear-eyed view.
What It Is: A Pharmacological Artifact
Methyltrienolone is a 17α-alkylated derivative of the potent steroid trenbolone. This structural modification, adding a methyl group at the 17th carbon, allows it to survive first-pass metabolism in the liver, making it orally bioavailable. However, this is where the simple comparison ends. While trenbolone acetate is a powerful veterinary steroid, Methyltrienolone is in a different league. It is a pure, non-aromatizing androgen with an almost mythical binding affinity for the androgen receptor (AR). Research indicates its binding affinity is several times higher than that of dihydrotestosterone (DHT), itself a very potent natural androgen. It does not convert to estrogen via aromatase or to DHT via 5α-reductase because it is, effectively, a "super-DHT" analog already optimized for receptor binding. Developed initially for research into androgen receptor mechanisms and potential treatment of severe tissue-wasting diseases, its clinical utility was abandoned due to its extreme hepatotoxicity and side effect profile. It exists today almost exclusively as an illicit performance-enhancing drug.
Features and Pharmacological Profile
The features of Methyltrienolone define its terrifying appeal:
1.Unmatched Receptor Affinity: Its primary feature is its phenomenal affinity for the AR. It binds more tightly and activates the receptor more completely than nearly any other synthetic androgen. This translates to extremely efficient and powerful anabolic and androgenic signaling.
2.Non-Aromatizing and Non-Progestogenic: Unlike testosterone or nandrolone, it cannot convert to estrogen. It also lacks significant progestogenic activity. This eliminates concerns for gynecomastia or water retention from these pathways, presenting a "dry" and "hard" look.
3.Potent Glucocorticoid Antagonism: A critical and often highlighted feature. Methyltrienolone actively blocks cortisol receptors in muscle tissue. Cortisol is a catabolic hormone that breaks down muscle, especially during intense training, calorie deficits, or stress. By antagonizing it, Methyltrienolone creates a profoundly anti-catabolic environment, preserving muscle tissue under conditions where it would normally be lost.
4.Extreme Hepatotoxicity: The 17α-alkylation that grants oral bioavailability also makes it severely stressful to the liver. Liver enzyme values (ALT, AST) can skyrocket in a matter of days, posing a genuine risk of hepatocellular damage, cholestasis, and, with prolonged use, potentially irreversible injury.
5.Direct Central Nervous System (CNS) Effects: Users report pronounced stimulatory and psychoactive effects-aggression, insomnia, anxiety, and heightened arousal. This is due to its activity in the brain, as androgens significantly impact neurotransmitter systems.
Applications and Purported Benefits in Bodybuilding
In the bodybuilding context, Methyltrienolone is never used for offseason mass gain. Its applications are niche and extreme:
●Pre-Contest Peak Week/The Final Cut: Its primary illicit use is in the final days before a bodybuilding competition. The goal is to achieve extreme muscle hardness, density, and vascularity while shedding the last traces of subcutaneous water. Its anti-catabolic property is crucial here, as competitors are in a severe calorie and carbohydrate deficit.
●Breakthrough Plateaus in Advanced Dieting: For elite athletes who have dieted for months and hit a stubborn plateau, a very short, low-dose course might be used to reignite fat loss and muscle preservation, though this is exceptionally risky.
●Psycho-Physical "Hardening": Beyond physical changes, users seek the aggressive, driven mental state it induces, believing it translates to more intense and focused workouts.
The benefits, while dramatic, are fleeting and come at a high cost:
●Rapid Increases in Muscle Density and Hardness
●Significant Fat Loss (via increased metabolic rate and nutrient partitioning)
●Pronounced Vascularity
●Strength Increases
●Near-Complete Preservation of Lean Mass in a Catabolic State
Dosage, Cycle, and Half-Life: A Protocol of Calculated Risk
Dosage: Methyltrienolone is notoriously dosed in micrograms, not milligrams, a testament to its potency. Common oral liquid preparations, like the referenced 5mg/ml (5000mcg/ml), require precise measurement.
●A "low" dose is considered 250-500 mcg (0.25-0.5mg) per day.
●A typical dose ranges from 500 mcg to 1 mg per day.
●Doses exceeding 1.5-2 mg per day are considered very high and exponentially increase the risk of severe side effects.
It is absolutely not a compound to be "stacked" with other 17aa orals due to liver strain.
Cycle Length: Given its hepatotoxicity, cycle length is brutally short.
●Absolute Maximum: 2-3 weeks.
●More common (and slightly safer) protocols limit use to 10-14 days.
●Some competitors use it only for the final 7-10 days before a show.
Using it for a traditional 6-8 week cycle would almost certainly result in serious liver damage.
Half-Life: Methyltrienolone has a relatively short half-life, estimated between 4 to 6 hours. This necessitates splitting the daily dose into 2-3 administrations throughout the day to maintain stable blood levels and avoid extreme peaks and troughs in hormone concentration and associated side effects.
Post-Cycle Therapy (PCT) and the HPTA Reality
Post-Cycle Therapy after Methyltrienolone is particularly challenging and may be partially ineffective. As a non-aromatizing, extremely suppressive androgen, it shuts down the hypothalamic-pituitary-testicular axis (HPTA) profoundly and rapidly. The body's natural production of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) plummets to near zero.
●Standard PCT (using drugs like Clomiphene or Enclomiphene and Tamoxifen) is essential but should not be expected to yield a rapid or full recovery. A more aggressive and prolonged PCT protocol is required, often starting after the compound's cessation, considering its short half-life.
●Crucial Insight: Due to the severity of suppression, many advanced users employing such compounds are already on a blast-and-cruise paradigm, meaning they do not come off hormones completely but rather return to a "cruise" dose of testosterone after the "blast" (which included the Methyltrienolone). This avoids the need for traditional PCT but commits the user to permanent hormone replacement therapy (TRT).
The Inescapable Side Effect Profile
The side effects are not potentialities; they are virtual guarantees:
1.Liver Toxicity: The foremost danger. Liver stress markers will elevate dramatically. Risk of jaundice, hepatitis, and long-term damage is high.
2.Cardiovascular Strain: It can cause negative shifts in cholesterol profiles (severely suppressing HDL), increase blood pressure, and promote left ventricular hypertrophy.
3.CNS and Psychological Effects: Severe insomnia, rampant aggression ("roid rage"), anxiety, and mood swings are commonplace.
4.Androgenic Side Effects: Rapid hair loss (in those predisposed to male pattern baldness), acne, and prostate irritation can occur swiftly.
5.Toxic to the Kidneys: Its metabolism and the strain it places on the system can elevate kidney stress markers like creatinine and BUN.
6.Lethargy and Lysis: Post-cycle, users often experience a profound crash in energy, mood, and sometimes a rapid loss of the accrued hardness and strength as the body struggles to rebound.
Clinical Data
| Brand | STROMUSC |
|
Trade names |
Methyltrienolone, 17α-Methyltrenbolone; R1881; R-1881; RU-1881; NSC-92858; 17α-Methyl-19-nor-Δ9,11-testosterone; 17α-Methylestra-4,9,11-trien-17β-ol-3-one |
|
CAS |
965-93-5 |
|
Molar mass |
284.399 |
|
Formula |
C19H24O2 |
|
Purity |
Above 98% |
|
Apprarance |
5mg/ml,10ml/bottle |
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Conclusion: The Scorched-Earth Compound
Methyltrienolone represents the bodybuilding ethos of "results at any cost" pushed to its logical extreme. It is a pharmacological sledgehammer-incapable of finesse, indiscriminately powerful, and inherently destructive. The benefits it provides in muscle preservation and conditioning are real and potent, but they are purchased with a significant down payment on long-term health. Its use is a calculated risk reserved for a tiny fraction of elite competitors at the pinnacle of the sport, who employ it for the briefest moments under presumed medical supervision. For the vast majority, even experienced steroid users, Methyltrienolone remains a dangerous artifact, a testament to the lengths pursued in the quest for extreme physical development, and a stark reminder that in endocrinology, power of this magnitude is never harnessed without profound consequence. It is less a tool and more a controlled detonation within one's own physiology.
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