TEST C300
Active Substance: | Testosterone Cypionate |
Active Half-Life: | Approximately 8 days |
Dosage: | Typically 300-600 mg per week |
Type: | Anabolic Steroid / Hormone Replacement |
Form: | Injectable Solution |
Concentration: | 300 mg/ml |
Quantity: | 10 ml per vial |

Key product parameters
What is Testosterone Cypionate?
Testosterone Cypionate, marketed as TEST C300, is a long-acting form of testosterone used both in bodybuilding and in testosterone replacement therapy (TRT). It is known for its ability to enhance muscle growth, strength, and overall vitality.
Mechanism of Action
Testosterone Cypionate works by supplementing the body's natural testosterone levels, which can enhance protein synthesis, nitrogen retention, and red blood cell production. This leads to increased muscle mass, strength, and improved recovery times.
Benefits
- Muscle Growth
Promotes significant increases in muscle mass, making it ideal for bulking cycles.
- Strength Enhancement
Provides a boost in strength and power, beneficial for athletes and bodybuilders.
- Improved Recovery
Enhances recovery times, allowing for more intense and frequent training sessions.
- Hormonal Balance
Supports maintaining optimal testosterone levels, crucial for muscle growth and overall health.
- Testosterone Replacement Therapy (TRT)
Used in TRT to treat men with low testosterone levels, improving energy, mood, and sexual function.
Side Effects
Before using Testosterone Cypionate, it's important to be aware of potential side effects:
- Estrogenic Effects
May cause gynecomastia and water retention if not managed with aromatase inhibitors.
- Androgenic Effects
Can lead to acne, hair loss, and increased body hair growth.
- Cardiovascular Strain
May affect cholesterol levels, increasing cardiovascular risk.
- Mood Changes
Can lead to mood swings or increased aggression.
Usage Guidelines
- Dosage
Typically, doses range from 300-600 mg per week, depending on the user's goals and whether it's used for bodybuilding or TRT.
- Storage
Store at room temperature, between 20°C to 25°C (68°F to 77°F), away from moisture and light.
- Precautions
Not recommended for individuals with prostate issues or those sensitive to androgenic effects.
FAQ
Cycle lengths vary depending on use. For bodybuilding, cycles are usually 8-12 weeks. For TRT, it may be ongoing. Consult one of our specialized agents at Atech for personalized guidance.
It can be stacked with other anabolic steroids or used in conjunction with TRT protocols. Consult our specialized agents at Atech to ensure safe and effective combinations.
Administer it as soon as you remember, unless it's close to the time for your next dose. Do not double up.