A 2-ounce serving of orzo contains 200 calories, most of which come from carbohydrates. In addition to 84 percent of the calories in a serving of orzo deriving from carbs, 14 percent of the calories are from protein and 5 percent come from fat.
Orzo is a low-fat food – 1 gram of fat per serving.
Carbohydrates and Fiber
The carbohydrates in orzo directly impact the amount of energy you have, because this nutrient is your body's main source of energy. One serving of this type of pasta contains 42 grams of carbs, or 12.9 to 18.6 percent of the amount you should eat every day.
Eat a serving of orzo, and you consume 7 grams of protein. This accounts for 13 to 15 percent of the recommended daily amount. Increase your protein consumption by eating whole-grain orzo or pairing it with seafood, such as salmon, shrimp or clams, or some other meat. The protein in orzo also helps boost your energy levels.
Including orzo in your diet helps you get the iron you need, with 10 percent of the daily recommended amount.