PeakO2® Mushroom Endurance Blend (Boost Oxygen Levels, Increase Strength & Endurance) (50 Servings) (Organic Mushroom Blend)

PeakO2 is a proprietary blend of six organic mushrooms which allows serious athletes to overcome physical and mental stress. Specially formulated to elevate peak power output, improve VO2 max and extends time-to-exhaustion for longer, stronger, more effective workouts.*