Carbohydrates, fats, protein, and water are essential for all body systems Carbohydrates provide easily metabolized sugars contributed by grains, legumes, dairy products, fruits, and vegetables

Protein is critical to cell development; complete proteins (providing all of the essential amino acids) are regularly needed. Helping clients manipulate proper energy intake while maintaining dietary recommendations and satisfying personal tastes requires a basic understanding of nutrition

carbohydrates — large food category that includes starches, cellulose, and sugars. whole foods — foods that have been processed or refined as little as possible and are free from additives and other artificial substances. glucose — simple monosaccharide that is an important energy source and is found in carbohydrates. glycemic load — method of indicating the amount of carbohydrate contained in a specified serving of a particular food and its impact on blood glucose.