Description

Technical Parameters

FIERCE Sustanon 350 350mg/ml Core Introduction

Pharmaceutical -grade compound formulation | FIERCE brand compound testosterone (tetraester mixed with long-acting testosterone )

Chemical composition :

Testosterone Propionate 30mg/ml - CAS: 57-85-2

Testosterone Phenylpropionate 60mg/ml - CAS: 1255-49-8

Testosterone Isocaproate 60mg/ml - CAS: 15262-86-9

Testosterone Decanoate 200mg/ml - CAS: 5721-91-5

Total concentration : 350mg/ml, 10ml/bottle

Dosage form : Oil for injection

Solvent : United States Pharmacopeia-grade cottonseed oil composite matrix

Preservative : Benzyl alcohol 2%

Appearance : Light yellow transparent oily liquid

Purity : The purity of each component is ≥99% (USP standard HPLC detection).

Core Effects

FIERCE brand Sustanon 350 is a tetraester complex testosterone formulation that is widely used in long-acting testosterone replacement therapy (TRT) and muscle-building cycles in competitive sports due to its unique stepwise release properties and excellent physiological compatibility .

✅ Stepped release characteristics :

Rapid onset of action : Propionate reaches peak concentration within 24 hours, rapidly increasing blood drug concentration.

Smooth transition : Phenylpropionate and isocaproate provide medium-term support

Long- lasting effect : Decanoate maintains stable blood drug concentration for 10-12 days.

✅ FIERCE brand unique advantages :

High- concentration compound : 350mg/ml total concentration, reducing injection volume and frequency.

Precise formulation : Scientifically formulated tetraesters ensure a stable blood drug concentration curve.

US cGMP Manufacturing : Produced in strict accordance with US FDA cGMP standards

✅ Clinical application advantages :

TRT treatment : A single injection maintains stable blood drug concentration for 2-3 weeks

Muscle- building cycle : providing the dual advantages of rapid onset and long-term maintenance

Stable blood drug levels : Avoiding peak-to-trough fluctuations associated with single esters.

FIERCE brand quality advantages

1. API quality control :

Chemical purity : The purity of each component raw material is ≥99.5% (HPLC detection, in compliance with USP standards).

Esterification accuracy : esterification rate ≥ 99.8%, free testosterone < 0.05%

Impurity control : Single unknown impurity <0.03%, total impurities <0.1%

2. Compound formulation technology :

Compatibility Study : Optimization Study on the Compatibility of Tetraesters in the Oil Phase

Aseptic filling : Fully automatic aseptic filling production line to ensure sterility

Uniformity control : Ensure that the tetraesters are evenly distributed in the oil phase

3. Production Quality System :

cGMP Certified : US FDA cGMP certified production facility

Environmental control : ISO Class 5 cleanroom, online particle monitoring.

Quality Traceability : A complete electronic traceability system from raw materials to finished products.

4. Quality Control Indicators :

Content accuracy : The content deviation of each component is ≤ ±2% (HPLC detection).

Sterility guaranteed : 14 days of sterile growth by membrane filtration

Endotoxin : <0.5EU/ml (USP standard)

Stability : Passed the accelerated test after 6 months, valid for 36 months

FIERCE brand clinical advantages

1. Pharmacokinetic advantages :

Fast onset of action : Propionate peaks within 24 hours, fast onset of action

Smooth transition : Intermediate-acting esters maintain blood concentrations for 5-7 days

Long- lasting effect : Decanoate maintains the therapeutic effect for 10-12 days

2. Treatment advantages :

Convenience of medication : Injection every 2-3 weeks significantly improves compliance

Stable blood drug levels : Polyester complexes avoid fluctuations in blood drug levels associated with single esters.

Individualized adjustment : The injection interval can be adjusted according to individual response

3. Safety Data :

Local tolerance : Optimized formulation reduces injection site reactions.

System safety : Stable blood drug concentrations reduce the risk of side effects.

Long-term validation : safety validation after years of clinical use

Why choose FIERCE brand Sustanon 350 ?

Complex Advantages : Scientifically formulated tetraesters offer both rapid onset of action and long-lasting effects.
High -concentration formulation : 350mg/ml reduces injection volume and frequency
American quality : cGMP standard production, reliable quality
Stable blood drug levels : Stepwise release avoids fluctuations in blood drug concentration.

Conclusion

FIERCE's Sustanon 350mg/ml represents the highest standard in combined testosterone formulations . Through a scientifically formulated tetraester ratio, stringent quality control standards, and advanced formulation technology , it provides a more optimized and convenient option for treatments requiring long-acting, stable testosterone replacement . Choosing FIERCE means choosing American quality and technological innovation .

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