Although it has been around for years now, athletes are now promoting alkalinizing as a way to improve work-out performance. The standard American diet (SAD) is primarily an acidic one–woefully shy of vegetables and fruits. So now, alkalinizing supplements are becoming the fad. Here is a recent article. Please, stick to improving the amount and quality of your fruits and veggies in your diet, instead of investing in these supplements. In this way, you are maintaining a healthy environment, not just while exercising.