Duck heart is a kind of food, does not have the efficacy and effect, but contains a variety of nutrients, can provide the body with protein and other nutrients. The nutritional value of duck heart is rich, 100g of duck heart contains 12.8g of protein, 8.9g of fat, 2.9g of carbohydrates, 120mg of cholesterol, 24.0μg of vitamin A, 0.87mg of riboflavin, 8.00mg of niacin, as well as 20mg of calcium, 188mg of phosphorus, 233mg of potassium. Moderate consumption of duck hearts can provide the body with the above mentioned nutrients, which is good for health. However, duck heart is a food and does not have medicinal effects. If you feel sick, you are advised to consult a doctor as soon as possible. You should also pay attention to the combination of meat and vegetables in your daily diet.