Milk of livestock, such as milk, goat's milk, horse's milk, etc. Milk not only provides protein, but also provides rich calcium.

2. Meat

Meat of livestock, such as cattle, sheep, pigs, dog meat, chickens, ducks, geese, quails, ostriches, etc. The nutritional value of animal protein is higher than that of plant protein because the types of amino acids needed by human body are most consistent with those in animal protein. In animal protein, protein of milk and eggs is the best of all protein foods because of its digestibility and complete amino acid types.

Step 3: eggs

Such as eggs, duck eggs and quail eggs. The protein content of egg yolk is slightly higher than that of protein, but the cholesterol content of an egg yolk can be as high as 300mg. Don't eat more egg yolk even if you don't have heart disease. The cholesterol content in protein is 0.

4. Fish

Fish should be one of most people's favorite foods! It is tender in meat, delicious in taste, rich in nutrition, and contains high-quality protein, which is easy to be absorbed and digested by people. Especially for pregnant mothers, eating fish is a good behavior to supplement protein.

5, beans

Of course, there are many kinds of beans, such as soybeans, broad beans, mung beans and peas. But among beans, not all beans are rich in protein. Generally speaking, soybeans are high-protein and high-fat beans. If you insist on eating them every day, you can reduce the fat content. Its nutritional value is close to that of animal protein, and it is a good plant protein.

Extended data:

The harm of protein's lack:

1, affecting development

Protein is an indispensable nutrient for human body, which has a great influence on tissue synthesis, especially for developing children. For example, their height and weight will drop, and their resistance will also drop relatively.

2. Sleep quality

Bad protein will indeed lead to abnormal hormone secretion in the body, leading to the decrease of melatonin in the body. In this case, it will lead to sleep disorders and insomnia symptoms.

3, easy to fatigue

In the absence of protein, the elasticity of blood vessels will be weakened, and when the blood vessel wall is in a relaxed state, blood pressure can only be improved once, and blood flow will also slow down. If you can't meet the normal transportation conditions, you are prone to symptoms such as fatigue and dizziness.

References:

Protein powder is nutritious, but do you really need to eat it? -People's Network