Calcium; Calcium is an essential element in our growth process, and it also plays the most important role in the health of bones. Bone health is the basis of increasing exercise during weight loss. Calcium is one of the indispensable nutrients for human body. Without calcium, there is no life. Calcium is the most abundant mineral in human body, which is ubiquitous in our body and the foundation of human life. From bone formation, muscle contraction, heart beating, nerve and brain thinking activities, to human growth and development, eliminating fatigue, strengthening the brain and improving intelligence, delaying aging and so on. It can be said that all sports of life are inseparable from calcium. The daily intake of calcium is enough to maintain the normal metabolism of the human body and enhance the adaptability of the human body to the living environment. Calcium can enhance people's endurance, make people energetic and psychologically stable. Adequate calcium in human body can effectively prevent cerebral hemorrhage, cancer and heart disease, which is beneficial to health and longevity.

Zinc; As one of the most important elements, zinc can promote leptin secretion, inhibit fat synthesis, promote fat decomposition and keep lean body mass stable. Zinc is a trace element, and there are many trace elements in human body. It needs a small amount of intake every 4 102 days, but it has great influence on sexual development, sexual function and germ cell formation. Leptin is a hormone synthesized and secreted by fat cells. More than 95% obese people have leptin deficiency and leptin resistance.

Iron; There are many foods containing iron, such as lean meat and soybeans. Iron is very important for health. If iron intake is insufficient, especially when you lose weight, the human body will not be able to deliver enough oxygen to cells, thus reducing the metabolic rate. Adults should supplement18mg iron every day. You can take iron or multivitamins, or eat more iron-rich foods, such as lean meat, muscle, soybeans and fortified grains.

You can't ignore protein when you lose weight. Protein is the cornerstone of our body. If the intake of protein is insufficient, it will directly affect the growth and development of the internal organs and other organs in adolescence and their future functions.