Sciroxx Parabolan is identified with trenbolone hexahydrobenzylcarbonate, commonly abbreviated as Tren-Hex. This compound is an esterified form of trenbolone, an anabolic-androgenic steroid with potent androgenic and anabolic activity.

The hexahydrobenzylcarbonate ester modifies the release characteristics of the parent steroid compared with non-esterified forms. Trenbolone itself is not approved for routine human therapeutic use in many jurisdictions, and products containing it warrant particular attention to regulatory status and potential adverse effects.