When to Use:

  • Anytime



  • Take 1 serving (4 caplets) once daily with water. Do not exceed 1 serving (4 caplets) in a 24-hour period. Read the entire label before use and follow directions provided.



  • Test 3X SX-7 Black Onyx features three powerful ingredients backed by separate, human clinical trials that are actually shown to boost testosterone, decrease estradiol or reduce cortisol.


  • Test 3X™ SX-7® Black Onyx® features a precise 3.12g clinical dose of D-aspartic acid. D-aspartic acid (DAA) is naturally occuring amino acid found in the neuroendocrine tissues of humans that has been shown to increase testosterone by over 40% and increase luteinizing hormone by over 30% while staying within the normal healthy range.


  • Subjects increased testosterone by over 40%­
  • Optimizes testosterone and estradiol levels
  • Reduces cortisol by 14.5%
  • Scientifically researched doses of Withania, DAA & boron

MuscleTech - Test 3X™ SX-7® Black Onyx® [120 Caps]