Sprint Workouts: Boost Testosterone and Growth Hormone Naturally

Do you sprint? If you haven't added a sprint workout to your exercise routine, quite frankly, you haven't lived. It wasn't until I made a weekly sprint workout a part of my life around late 2011/early 2012 that I began to see real permanent changes in my physique: I felt more masculine and started to … Continue reading Sprint Workouts: Boost Testosterone and Growth Hormone Naturally