Egg itself is a kind of high-quality protein food, and its natural nutrition best meets the needs of muscle growth, so it is the most economical and practical supplementary food for strength training. An egg weighs about 50 grams, contains 7 grams of protein and 6 grams of fat, and can generate 82 kilocalories. Its amino acid ratio is very suitable for human physiological needs, and it is easily absorbed by human body, and the utilization rate is as high as 98%. Eggs are rich in calcium, phosphorus and vitamins A and B, and are the best ingredients for long muscles. Whether for muscle exercisers or other people, eating eggs is not only more delicious than instant protein powder, but also has the function of supplementing protein. It can also supplement other nutrients needed to synthesize muscle protein, and it is not easy to cause the problem of excessive intake of protein.

Protein powder is protein extracted from milk, eggs or soybeans. The variety of amino acids is complete, the composition ratio of various amino acids is reasonable, the raw material price is high, the utilization rate is high, the lactose is low, the fat is low, the energy is low, and it is easy to be absorbed by the human body. According to different sources, there are two kinds of protein powder on the market at present: soybean protein powder and whey protein powder. The quality of protein powder depends on its content and quality. It is not that the higher the content of protein, the better the quality of protein powder, and so is the quality of protein. As we all know, protein consists of 20 kinds of amino acids. The closer the proportion of these amino acids is to that of protein, the easier it is to be absorbed and utilized by the human body.