Viogen Deca-Test 400mg is an oil-based injectable anabolic androgenic steroid blend produced by Viogen Pharmaceuticals. It combines the anabolic benefits of nandrolone decanoate with the androgenic support of testosterone enanthate, offering a formulation designed to support muscle mass growth, strength gains, and overall physical development.
Active Ingredients:
- Nandrolone Decanoate: a long-acting nandrolone ester known for strong anabolic effects with relatively mild androgenic activity.
- Testosterone Enanthate: a long-acting testosterone ester that supports muscle protein synthesis, strength improvements, and androgenic functions.
- This blend is supplied at a concentration of 400mg per millilitre in a 10 mL vial for intramuscular use.
Mechanism of Action
After intramuscular injection, the decanoate and enanthate esters release hormones slowly into the bloodstream. This sustained release supports steady anabolic and androgenic activity, which can be beneficial for extended training cycles or protocols that require stable hormone levels.
- Anabolic support: promotes protein synthesis and nitrogen retention in muscles, aiding muscle growth and recovery.
- Androgenic support: testosterone helps maintain libido, drive, and overall hormonal balance, while contributing to strength and performance improvements.
- Intended Uses and Effects
Viogen Deca-Test 400mg is generally used in contexts where enhanced muscle mass, strength, and physical performance are desired, such as research studies or controlled athletic protocols. Potential effects may include:
- Significant muscle mass gains
- Increased strength and power output
- Improved recovery between workouts
- Enhanced protein utilization
- Support for joint comfort and collagen synthesis
- Administration and Profile
- Form: oil-based injectable solution
- Route: intramuscular injection
- Concentration: 400mg per millilitre
- Vial Size: typically 10 mL
The long esters allow for less frequent injections than short-acting compounds. Doses are usually spaced to maintain relatively stable hormone levels.
Safety and Risks
Like all anabolic steroids, Deca-Test 400mg carries potential risks and side effects, particularly if used outside medical supervision. These may include:
- Suppression of natural testosterone production
- Estrogen-related effects such as water retention
- Androgenic effects like acne and increased body hair
- Cardiovascular and metabolic effects including changes in cholesterol and blood pressure
- Liver and endocrine effects due to sustained systemic exposure
Professional monitoring, including regular blood tests, is recommended for anyone using anabolic androgenic compounds in research or clinical settings.
Regulatory and Quality Notes
Viogen products are manufactured for research and hormone-related applications. Quality, authenticity, and regulatory status may vary by region and supplier. In many jurisdictions, anabolic steroids are controlled substances and require appropriate legal and medical oversight.

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