SUSTECH (250 mg / 10 mL)
Testosterone Mix 4-Ester

Sustech provides a balanced "Testosterone mix" of Propionate, Phenylpropionate, Isocaproate, and Decanoate. Manufactured in Hong Kong for export, this specific ester distribution ensures both a rapid initial spike in testosterone levels and a prolonged release, making it one of the most versatile and highly regarded base compounds for any cycle.

Test Propionate 30mg

Test Phenylpropionate 60mg

Test Isocaproate 60mg

Test Decanoate 100mg

Oil based q.s.

Pharmaceutical Grade

Manufactured under rigorous quality standards to ensure absolute purity, consistency, and reliable, high-tier performance.

Advanced Formula

Developed with carefully selected ingredients to support your most demanding physical goals and effective daily supplementation.

Laboratory Tested

Independently verified for precise ingredient accuracy, safety, and premium product quality you can trust.

Real results you can measure and feel

The SUSTECH Impact

SUSTECH is the perfect foundational testosterone blend, offering the best of both fast and slow-acting esters. It guarantees a rapid onset of power and mass while keeping blood serum levels highly stable over time. It is exceptionally versatile, acting as the ultimate core for both heavy bulking and lean cutting cycles.

90%

Efficacy

Strength & Power

Boosts red blood cell production and muscle oxygenation, delivering explosive lifting power and faster recovery.

90%

Efficacy

Muscle Growth

Maximizes nitrogen retention and protein synthesis, creating an optimal environment for rapid lean muscle growth.

30%

Efficacy

Fat Loss

Stimulates direct fat breakdown while preserving lean muscle tissue, even during a strict caloric deficit.

Outstanding features of

SUSTECH

Outstanding strength increase

Helps improve strength, power output, and overall physical performance.

DRAMATIC MASS GAINS

Supports lean muscle development with a structured training

OVERALL AESTHETIC

Promotes a more balanced, defined, and athletic-looking physique

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  • PRODUCT DETAILS
Composition Summary: SUSTECH
Composition Summary: Testosterone Propionate, Testosterone Phenylpropionate, Testosterone Isocaproate, Testosterone Decanoate
Composition Summary: 250 mg per 1 mL
Composition Summary: Sterile Oil-Based Injectable Solution (10 ml Multi-Dose Vial)
Composition Summary: Deep I.M. (Intramuscular) Injection
Composition Summary: Dosage as directed by the Physician. Only for deep I.M. Injection. Manufactured in Hong Kong. FOR EXPORT ONLY. Protect from light.
  • TECHNICAL SPECIFICATIONS
Composition Summary: 4-Ester Sustained Release Testosterone Blend
Composition Summary: Test Propionate (CAS: 57-85-2), Test Phenylpropionate (CAS: 1255-49-8), Test Isocaproate (CAS: 15262-86-9), Test Decanoate (CAS: 315-37-7)
Composition Summary: Clear, pale-yellow to golden sterile oily solution
Composition Summary: As specified in the approved Certificate of Analysis (CoA).
Composition Summary: pH is not applicable; viscosity complies with approved product specifications.
  • Active Ingredients: Chemical Structures and Concentrations
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Testosterone Propionate: 50 mg/ml
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Testosterone Propionate: 50 mg/ml
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Testosterone Propionate: 50 mg/ml
INFORMATION NOTICE

A Quick Note Before You Continue

This website provides general product and educational information. It does not provide individual medical advice or personalized recommendations for product use.

Personal Responsibility

Decisions regarding product use are personal and should be made responsibly. Chontech Pharma is not responsible for individual methods of use, dosage decisions, combinations, or use outside the product's intended and applicable framework.

Professional Guidance

Individual needs and circumstances may vary. For questions related to personal health, suitability, or use, please consult a qualified healthcare professional.

Chontech Pharma provides product information only and does not assume responsibility for individual decisions regarding use or their outcomes.
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