Book excerpt: When it comes to optimizing a player's nutrition, Robert Yang is the best in the business. Proper hydration, food intake and supplements are all part of improving a player's performance on and off the course. Robert's book, "Hole in One Nutrition" is a must resource for any one trying to improve their health and their game. Greg Rose D.C. Co-Founder of the Titleist Performance Institute Like any golfer, you'll try anything to lower your handicap. Tweak your swing. Buy the latest and greatest driver. Pay for lessons with the greatest golf coaches. However, the one thing you've never tried is the simplest performance-enhancer of all. It doesn't require dedicating extra time on the driving range or putting green. You haven't tried nutrition. Hole-in-One Nutrition shows golfers how to eat to hit and play longer. It's based on a simple Hole-in-One nutrition pyramid that emphasizes hydration, whole foods and supplements. This step by step guide to playing better golf teaches: - How hydration will improve your focus and concentration but more importantly increase your distance off the tee- How flatlining your blood sugar is the key to long lasting energy on the course- How 5 key supplements will increase longevity and yards on the golf course