Trenbolone Hexahydrobenzylcarbonate Powder (Parabolan) 

Trenbolone Hexahydrobenzylcarbonate, commonly known by the brand name Parabolan, is one of the most powerful and long-lasting anabolic steroids ever produced. As a raw powder, it is a highly concentrated pharmaceutical-grade material used for research and formulation. Known for its extreme potency, it is favored for its ability to provide significant muscle hardness, strength, and lean mass without water retention.

Product Specifications

• CAS Number: 23454-33-3

• Chemical Name: Estra-4,9,11-trien-17β-ol-3-one 17β-cyclohexylmethylcarbonate[2][3]

• Molecular Formula: C26H34O4

• Molecular Weight: 410.55 g/mol [2][4][5][6]

• Purity: ≥99% (HPLC verified)

• Appearance: White to off-white crystalline powder[7]

• Melting Point: 90–95°C

What is Trenbolone Hexahydrobenzylcarbonate?

Trenbolone Hexahydrobenzylcarbonate is a long-acting esterified variant of the base steroid Trenbolone.[2][8][9][10] Unlike the faster-acting Acetate ester, the Hexahydrobenzylcarbonate (or “Hexa”) ester allows for a slower, more sustained release into the bloodstream. This means fewer injections are required while maintaining stable hormonal levels.

It was originally developed for human use (as Parabolan), making it unique among Trenbolone esters, which were primarily developed for veterinary purposes. It is roughly five times as anabolic and androgenic as Testosterone.[11]

Benefits and Effects[9][10][12][13][14][15][16][17]

• Massive Strength Gains: Dramatically increases raw power and explosive strength through enhanced nitrogen retention.

• Lean Muscle Growth: Promotes significant muscle hypertrophy while simultaneously aiding in fat oxidation (fat loss).

• Enhanced Hardness & Vascularity: Due to its lack of estrogenic activity, it does not cause water retention, leading to a “dry,” hard, and grainy physique.

• Improved Recovery: Speeds up tissue repair by significantly increasing IGF-1 (Insulin-Like Growth Factor-1) levels in muscle tissue.

• Nutrient Partitioning: Highly efficient at ensuring every calorie consumed is used for muscle building rather than fat storage.

Usage and Dosage

Because of its long ester, the frequency of administration is lower than that of Trenbolone Acetate.

• Typical Dosage: 200mg to 400mg per week.

• Administration: Usually divided into two equal doses per week (e.g., Monday and Thursday) to maintain stable blood levels.

• Cycle Length: Typically 8 to 12 weeks.

Side Effects

Trenbolone is a very potent compound and must be used with caution. Potential side effects include:

• Androgenic: Acne, accelerated hair loss (in those predisposed to male pattern baldness), and increased body hair growth.

• Cardiovascular: Potential strain on cholesterol levels and increased blood pressure.

• Suppression: Heavy suppression of natural testosterone production; post-cycle therapy (PCT) is mandatory.

• “Tren” Specifics: May include night sweats, insomnia (“Trensomnia”), and increased heart rate or anxiety in sensitive individuals.

Storage and Handling

• Storage: Store in a cool, dry place away from direct sunlight.

• Temperature: Keep at room temperature (20°C to 25°C).

• Shelf Life: 24 months when stored correctly in its original sealed packaging.