“Increase active testosterone in just 7 days¹
385 mg Rhodiola extract per serving
100 mg boron citrate per serving
Dietary supplements
Peak test: Cortisol ratio²
Increases testosterone production¹
Anti-catabolic complex²
Supports training performance²
Clinically further developed
The Athlete’s Choice™
Formula for athletes
Six Star ® Testosterone Booster contains a key ingredient that has been shown in a human clinical study to bring your body’s testosterone production into a normal range. It also contains a blend of ingredients proven to support exercise performance by protecting against fatigue.
Six Star ® Testosterone Booster is manufactured according to cGMP standards, as required for all nutritional supplements.
Increase your testosterone levels and your exercise performance
¹Six Star ® Testosterone Booster is formulated with a precise dose of the mineral boron, which has been shown in human clinical research to increase active (free) testosterone in just 7 days.
²Six Star ® Testosterone Booster is also scientifically developed with a unique plant-based blend that has been shown in a 7-week human clinical study to help maintain maximum testosterone-cortisol ratios after an intense training test. Cortisol is a hormone released due to stress that can break down muscle tissue. The subjects also improved their performance, as determined by a marker of physical performance.”