Trenbolone hexahydrobenzylcarbonate, known as Parabolan or Hexabolan, is a powerful, long-acting synthetic anabolic-androgenic steroid given by intramuscular injection. It was previously used in France to treat conditions like muscle wasting and osteoporosis, but is no longer used in human medicine. 

Key Information

• Medical Status: Discontinued for human clinical use.

• Current Use: Primarily found illicitly for performance and muscle enhancement by athletes and bodybuilders. A different form, trenbolone acetate, is still used in veterinary medicine.

• Administration: Intramuscular injection.

• Dosage (Illicit/Off-label): Commonly 75-100 mg every 1-2 weeks in non-medical contexts.

• Common Strengths: Illicitly marketed in concentrations such as 76.5 mg/mL.