Basic Introduction
Clostebol Acetate is a mild anabolic steroid, a modified derivative of testosterone (4-chloro substituted structure). It is often used as a "clean muscle gain" option in competitive sports and bodybuilding. Its main features include:
Low male-forming activity (about 20% of testosterone)
Moderate anabolic capacity (about 50% of testosterone)
Will not aromatize into estrogen (no risk of edema/male breasts)

Core fitness effect
✅ Clean muscle growth:
Promote protein synthesis without causing significant water retention
Mild muscle gain effect (about 2-4kg/cycle), suitable for maintaining a lean state
✅ Enhance athletic performance:
Increase red blood cell production and improve endurance
Accelerate recovery and reduce training fatigue
✅ Fat loss aid:
Help burn fat by increasing basal metabolic rate
Especially suitable for replacing more potent steroids in the late stages of preparation
✅ Safety advantage:
Does not suppress own testosterone (or suppresses very slightly)
Very low liver toxicity
Suitable for female use (few male-forming side effects)
Typical use plan
① Use alone (8-10 weeks)
Dosage: 40-80mg/day (intramuscular injection)
Effect: mild muscle growth + increase muscle hardness
Suitable for: beginners or those who are sensitive to side effects
② Combination Cycle
Muscle growth combination:
Clostebol 50mg/day + Testosterone Enanthate 300mg/week
Can reduce the edema problem of traditional muscle growth cycle
Preparation combination:
Clostebol 60mg/day + Masteron 400mg/week
Enhance muscle separation and vascularity
③ Female use
Dosage: 10-20mg/every other day
Rarely changes in voice or growth of body hair

Post-cycle Recovery (PCT)
Male: Mild PCT is sufficient (such as DAA+vitamin D)
Female: PCT is usually not required
Common forms in the market
Mostly injections (acetate form)
Trade name: Steranabol®, Megagrisevit®
Used as a medical drug in some countries (for osteoporosis)
Compared with other steroids
Features Clostebol Winstrol Primobolan
Anabolic rate +50% +320% +88%
Masculinization rate +20% +30% +44%
Estrogen risk None None None
Hepatotoxicity Very low Medium Low
Recommendations for use
Best groups:
Those who want to avoid the side effects of traditional steroids
Athletes preparing for competitions (need dry muscle state)
Female fitness enthusiasts
Expected effect:
The muscle-building effect is not as obvious as Dianabol/Testosterone
But the muscles gained are more "solid" and the retention rate is high after stopping the drug
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