Chemical name: (17β)-3-Oxoandrost-4-en-17-yl 3-cyclopentylpropanoate
Formula: C27H40O3
Anabolic activity index: 100% (reference drug)
Androgenic activity index: 100% (reference drug)
TESTEX 200 10ml VIAL – SIS LABS
Description: Experience enhanced muscle growth and strength with TESTEX 200 from SIS Labs. This pharmaceutical-grade testosterone cypionate solution is formulated for athletes and bodybuilders seeking reliable performance enhancement and muscle mass gains. Each 10 mL vial contains a potent concentration of 200 mg/mL of testosterone cypionate, a long-acting ester that supports sustained release and prolonged effects in the body.
Key Features:
- Advanced Formula: Developed by SIS Labs for superior quality and performance.
- Muscle Growth: Promotes increased protein synthesis and nitrogen retention for enhanced muscle mass.
- Strength Enhancement: Boosts power and endurance during intense workouts.
- Recovery Support: Aids in faster recovery times between training sessions.
- Precision Dosing: Each vial provides accurate dosing with 200 mg/mL concentration.
Whether you’re looking to bulk up or enhance your athletic performance, TESTEX 200 is designed to meet your goals effectively and safely. Elevate your training regimen with the power of testosterone cypionate in a convenient 10 mL vial.










Brent Kingswell –
Excellent product with reliable performance. My strength increased consistently, my endurance improved during longer workouts, and I gained quality lean muscle while maintaining a solid physique. SIS Labs has definitely earned my confidence with Testex 200, and I’ll be ordering another vial soon.
Mason Weatherford –
I’ve used several testosterone products over the years, and Testex 200 ranks among my favorites. The quality remained consistent throughout the cycle, the oil injected effortlessly, and I experienced almost no post-injection soreness. My overall gym performance continued improving every week.
Cody Ashbourne –
Outstanding experience from start to finish. My recovery improved significantly after heavy training sessions, allowing me to train harder and more often. I also noticed steady gains in both strength and lean muscle. The packaging was professional, and the vial was perfectly sealed.
Tristan Hollowbrook –
I was impressed by the consistency of Testex 200 from the very first week. My energy levels remained high, workouts became more productive, and muscle fullness improved without excessive water retention. The product felt clean, and every injection went smoothly. I’ll definitely purchase another vial.
Aiden Blackstone –
Testex 200 has been one of the most dependable products I’ve used. My strength improved steadily, recovery between workouts became much faster, and I noticed consistent lean muscle gains throughout the cycle. The oil was smooth, injections were comfortable, and the vial arrived securely packaged. SIS Labs delivered excellent quality.