Eating only the egg white without the egg yolk is not good for your health. Egg whites and egg yolks have different nutrients. For healthy people, it is recommended to consume egg yolks along with egg whites in moderation. Generally, you can consume one egg yolk per day. Each 100 grams of egg white provides 60 calories and contains 3.1 grams of carbohydrates, 11.6 grams of protein, 0.1 grams of fat, 9 milligrams of calcium and 1.6 milligrams of iron. Egg white is very low in fat, low in calories and high in protein, making it a good quality source of protein and can be consumed in moderation and in larger quantities. Every 100 grams of egg yolk provides 328 calories and contains 3.4 grams of carbohydrates, 15.2 grams of protein, 28.2 grams of fat, 381 micrograms of vitamin A, 112 milligrams of calcium, 6.5 milligrams of iron and 1,510 milligrams of cholesterol. It can be seen that the egg yolk contains almost all the fat and cholesterol in the egg, and at the same time, its fat-soluble vitamin content is significantly higher than that of the egg white. Therefore, in order to have a comprehensive and balanced intake of nutrients, it is recommended to consume egg yolks in moderation. For patients with hypercholesterolemia and hyperlipidemia, they can consume one egg yolk per day. Those who are allergic to eggs should not consume egg white and egg yolk.