Nutritional requirements for adolescent boys

　　Before entering puberty, boy , The height difference between girls is very small, and the group mean height of boys is slightly higher than that of girls by 1 to 5 cm. But after about 10 years of youth, the height of adult men is significantly higher than that of adult women. So, adolescence male How to supplement nutrition?

　　During this period, their demand for calories, protein and other nutrients is the highest in their lives. During the period of puberty and development, the growth and development of male adolescents require food to provide sufficient heat energy. Moreover, because their basal metabolism and physical activity increase, they also need more calories to maintain. Therefore, the daily food intake must ensure sufficient calories and protein.

　　Due to their rapid growth and development, male adolescents have greater nutritional needs. During this period, their demand for calories, protein and other nutrients is the highest in their lives. During the period of puberty and development, the growth and development of male adolescents require food to provide sufficient heat energy. Moreover, because their basal metabolism and physical activity increase, they also need more calories to maintain. Therefore, the daily food intake must ensure sufficient calories and protein. While ingesting high-calorie and high-protein meals, the principles of balanced diet and comprehensive nutrition should be used to arrange the proportion of required calories, protein, and carbohydrates. You should also pay attention to the intake of various vitamins and minerals, choose a wide range of foods, and pay attention to the combination of main and supplementary foods.

　　During the growth period, boys have stronger appetites and larger food intake than girls, so the intake of cereals is very important for them. Cereal foods include rice, flour, millet, corn and sweet potatoes. They are the main source of heat energy for the human body and can also supply a certain amount of protein, inorganic salts and B vitamins. Cereal food is widely available and economical, and it is an important part of the daily diet of Chinese teenagers. Generally speaking, male adolescents aged 13 to 17 should not eat less than 500 grams of staple food every day, otherwise it will bring adverse consequences over time. The body of male adolescents grows rapidly during puberty, and all tissues, organs, and muscles in the body develop and grow accordingly, so the body also needs a large amount of high-quality protein. Animal foods such as chicken, fish, pork, beef, eggs, dairy foods, etc. are the best sources of protein. According to the actual situation in our country, if animal foods cannot be supplied in sufficient quantities every day, we must make use of my country's abundant soybean resources and absorb plant protein from soybeans to ensure the daily protein demand of teenagers. Therefore, regular intake of soy products can not only improve dietary patterns, but also increase nutrition, and the source is very economical.

　　Research has found that adolescents' sudden height growth during adolescence generally lasts for about three years. During this period, boys can grow 7 to 9 centimeters per year, up to 10 to 12 centimeters. In this way, boys will grow on average about 28 centimeters during the entire height spurt period, 3 centimeters taller than girls, which is about 90% of adult height, and their weight will also increase to 80% to 90% of adults. Moreover, girls develop more fat during adolescence, while boys develop bones and muscles rapidly.