Bren writes that there's a good article about nutrients on www.ironmanlive.com - "To keep their bodies performing optimally, endurance athletes should be familiar with these 5 important nutrients.""It is becoming more and more well understood that athletes need more nutrients than less-active people. Their bodies require more of the right nutrients from foods and supplements than even the recreational exerciser to allow for optimal exercise performance and full recovery. The more intense the exercise or sport, the greater the body's nutrient needs." Check it out here.