Creatine is one of the most thoroughly studied and widely used dietary supplements to enhance exercise and sports performance creatine is produced endogenously and obtained from the diet in small amounts it helps generate atp and thereby supplies the muscles with energy particularly for short term events . Nutritional supplements in sports and exercise second edition presents cutting edge information and is valuable to sports nutritionists exercise physiologists strength and conditioning personal trainers athletic trainers athletic coaches registered dietitians and college professional sport affiliates. Nutritional supplements in sport exercise and health is the most up to date and authoritative guide to dietary supplements ergogenic aids and sports nutrition foods currently available consisting of over 140 evidence based review articles written by world leading research scientists and practitioners the book aims to dispel the misinformation that surrounds supplements and supplementation . Nutrition for sport and exercise we should all aim to eat a healthy varied diet based on the principles of the eatwell guide and this is also the case when you are activewhen physically active your body will use up more energy calories