Muscle Science Duke Pre Workout, 30 SERVING + Muscle Science Steel Shaker

Muscle Science Duke Pre Workout is a pre-workout supplement containing amino acids, B vitamins, caffeine, capsaicin, and Co Q10 to enhance energy and focus during workouts.

• The description claims that the supplement supports energy production and mental focus.
• The description claims that capsaicin promotes thermogenesis and maintains a healthy metabolism.
• The description claims that Co Q10 helps convert food into energy.
• The description claims that chromium aids in the metabolism of fat and storage of carbohydrates.