For women, collagen is an excellent product, which can not only whiten the skin, but also maintain the health of the body, and even regulate the endocrine of women, which has many benefits. So, how to supplement collagen daily? Long-term fitness can effectively change the proportion of body tissues, increase the content of lean tissues such as muscles, and reduce the proportion of "fat" tissues such as fat. This beneficial transformation needs to be realized through the change of nutrient supply, and protein supplied in diet cannot increase muscle tissue without the protection of energy such as sugar. If you supplement too much protein, you can't increase muscle tissue indefinitely, but it may cause other organ function damage, such as renal function damage. Proper exercise and reasonable diet are the healthiest lifestyle. So far, there is no conclusive experimental basis whether increasing protein's intake will improve sports performance, but it is a fact that athletes' demand for protein has increased. The supply of bodybuilder protein should be 12%- 15% of the total energy, which is about 1. 2-2。 0 g/kg body weight. The more professional the sport, the higher the demand for protein. The demand for protein in ordinary people's daily life is 0. 8- 1。 0 g/kg body weight. Food sources in protein can be divided into two categories: animals and plants. The proportion of amino acids in animal protein is closer to that of human, so the utilization rate is higher. People in China mainly eat plant food, and the best choice to supplement protein is the combination of animals and plants and protein, and the proportion of animal protein can account for more than 50%. It is wrong to simply think that increasing protein's nutrition will promote the growth of muscle tissue, which must be based on gradual strength training, supplemented by appropriate protein support, and excessive supplementation of protein will cause a series of adverse effects. The scientific method for bodybuilders to increase protein is to increase the proportion of protein in the daily total calories, such as 15% for ordinary people to 18% or 20%, instead of increasing the daily total calories by increasing protein.