The primary purpose of the food we eat is to provide us with a variety of nutrients. There are six major classes of essential nutrients found in food: carbohydrates, fats, proteins, vitamins, minerals, and water. These nutrients perform three basic functions: to provide energy for metabolism, promote growth and development, and help regulate body processes. 

Carbohydrates and fats are the main sources of energy (the stuff that will make or break your surf session). Complex carbohydrates are a better choice than simple carbohydrates. Most dietary fat should come from sources of polyunsaturated and monounsaturated fats such as fish, nuts, seeds and vegetable oils. Protein is important for building muscles and other soft tissues (the stuff that will help make your paddle out easier).
Here are some tips for healthy eating:

• Look for protein without too much saturated fat. 
• Look for whole-grain, complex carbohydrates. 
• Look for low-fat dairy products or soy options. 
• Look for high fiber and nutrient dense foods.