Nutrition is the study and practice of nutrition and diet as it relates to athletic performance. It is concerned with the type and quantity of fluid and food taken by an athlete, and deals with nutrients such as vitamins, minerals, supplements and organic substances such as carbohydrates, proteins and fats. There are several brands that offer health conscious people such as Jelly Belly, Gu, Honey Stinger and PowerBar. Be sure to take advantage of our FREE shipping offer.