Muscletech Sixstar Testosterone

A unique blend of ingredients in SIXSTAR Testosterone Booster is formulated to help you maintain a peak testosterone-to-cortisol ratio, which supports muscle growth and strength gains.

Increase Testosterone in 7 days: Formulated with a Precise dose of the mineral boron, which is shown to increase active testosterone in just 7 days.

Peak Test Cortisol: A unique plant-based blend has been shown in a human clinical study to help maintain peak testosterone-to-cortisol ratio after intense training.

Supports Training Performance: Sixstar Testosterone Booster contains a blend of ingredients shown to support training performance by protecting against fatigue.

Clinically Advanced: Formulated for athletes, a key ingredient is shown in a human clinical study to amplify your body's testosterone within the normal range.

Nutrition Fact