Sustaplex 275 by XT Labs – Testosterone Blend (275 mg/ml, 10 mL)
- Brand: XT Labs
- Product Code: XT008
- Reward Points: 84
- Availability: In Stock
- Warehouse US domestic 4
- $84.00
- Ex Tax: $84.00
- Price in reward points: 840
Tags: Sustaplex 275 by XT Labs – Testosterone Blend (275 mg/ml, 10 mL), XT008, Testosterone Mix
Sustaplex 275 by XT Labs – Testosterone Blend (275 mg/ml, 10 mL)
Sustaplex 275 contains a specialized blend of four distinct testosterone esters engineered to deliver both rapid onset and sustained, stable hormonal release. By combining fast, medium, intermediate, and long-acting esters into a single compound, Sustaplex 275 maintains optimal androgen levels over an extended duration, making it highly effective for bulking, mass gains, and strength development while reducing overall injection frequency.
Key Benefits
Lean Muscle Mass Gain: Increases overall muscle size, tissue density, and physical capacity throughout the cycle.
Boosts Strength & Endurance: Elevates power output, allowing athletes to handle heavier training volumes and higher intensity workouts.
Gradual & Stable Testosterone Release: Multistage ester design prevents hormone spikes and crashes while maintaining stable blood concentrations.
Enhances Protein Synthesis & Nitrogen Retention: Creates an optimal anabolic environment to accelerate recovery and muscle tissue building.
Increases Energy, Libido & Performance: Boosts vitality, training motivation, drive, and overall athletic execution.
Versatile Stacking Capability: Functions as an exceptional foundational testosterone base that pairs seamlessly with compounds like Decaplex or Methandroplex for maximum results.
Product Specifications
Brand: XT Labs
Active Compounds per mL (275 mg Total):
Testosterone Propionate: 30 mg (Fast-Acting)
Testosterone Phenylpropionate: 60 mg (Medium-Acting)
Testosterone Isocaproate: 60 mg (Intermediate-Acting)
Testosterone Decanoate: 125 mg (Long-Acting)
Product Form & Volume: 275 mg/ml x 10 mL Multi-Dose Vial
Category: Injectable / Anabolic-Androgenic Steroid / Bulking & Strength Blend
Administration Method: Intramuscular injection
Recommended Dosage: 275 mg to 550 mg per week (administered in 1 to 2 injections)
Recommended Cycle Length: 10 to 12 weeks
Target Audience
Mass & Strength Athletes: Bodybuilders and strength enthusiasts aiming to build muscular size, power, and physical density.
Athletes Seeking Stable Hormone Profiles: Users who prefer a steady, sustained testosterone release without daily or highly frequent injections.
Versatile Cycle Builders: Athletes looking for a complete, multi-ester testosterone base suitable for bulking protocols.
Usage Guidelines & Precautions
Estrogen Management: Because Sustaplex 275 aromatizes easily due to its multi-testosterone composition, co-administration with an aromatase inhibitor (such as Arimidext 1 or Aromaxin) is recommended to prevent gynecomastia and fluid retention.
Fluid Control: Potential water retention can be managed through estrogen control, proper hydration, and maintaining a balanced, low-sodium diet.
Post Cycle Therapy (PCT): A structured PCT protocol using Clomixt and Nolvadext is essential starting 2 to 3 weeks after the final injection to restore natural endogenous testosterone production.

