According to the United States Department of Agriculture, a medium grilled chicken breast contains 141 calories. Each breast also contains 26 grams of protein and 13 milligrams of calcium.
Grilled chicken breast is a great food to eat when trying to follow a heart healthy diet because it contains no empty calories. The key to keeping chicken breasts as healthy as possible is to add flavorings that do not add calories to the dish. WebMD suggests swapping one unhealthy ingredient in a recipe for a healthier option to keep the dish as healthy as possible without sacrificing on its overall taste. Swapping full fat toppings for light versions makes creating a delicious, low-calorie dish easy.