- Increases Free Testosterone in 7 Days – Study
- Maintains Peak Testosterone:Cortisol Ratio
- Enhances Training Performance
- Increases Energy and Metabolic Rate
- Increases Sexual Drive and Performance
Professional Strength Testosterone Booster was scientifically formulated by Six Star Pro Nutrition® researchers to effectively boost free (active) testosterone. Testosterone is necessary for triggering muscle growth, strength gains and boosts in athletic performance. Sports supplement shelves are full of testosterone pills but many are supported by anecdotal evidence and fewer are supported by even a single clinical study. That’s why Six Star Pro Nutrition®, the brand you trust, scientifically formulated Professional Strength Testosterone Booster with only clinically researched ingredients in doses that are shown in clinical studies to be effective.