• Boosts free testosterone in 7 days1
  • Increases total testosterone2
1TEST HD™ is formulated with a concentrated and powerful dose of boron that is shown in human clinical research to increase free testosterone and decrease estradiol in just 7 days. Free testosterone is the most active form of testosterone and is critical for initiating the musclebuilding process.
2This powerful test-boosting compound is shown in a human clinical study to significantly increase total serum testosterone levels as documented after 90 days.

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