Training Mask 3.0 - Performance Breathing Trainer

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Burn the Fat - Build the Muscle - It's not all about endurance and stamina - the Training Mask has been scientifically proven to increase your body's growth hormone levels by up to 25% with exercise. Increased growth hormone will help you burn more fat, build more muscle, and recover faster after a tough workout.
Build Stamina for the Long Run - Using the Training Mask in your workouts will decrease the impact of fatigue in your training sessions by increasing your threshold potential, activity strength at exhaustion, and stamina. More stamina and endurance make the hard workouts EASIER.


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