How much energy do adults need every day on average?

Intake: In 2000, China Nutrition Society put forward the reference intake of dietary energy for China residents, pointing out that adult male light and moderate manual workers need 2400-2700 calories a day; The daily energy requirement of female light and moderate manual workers is 2 100-2300 kcal. Babies, children and adolescents, pregnant women, nursing mothers and the elderly have different physiological characteristics and different energy requirements.

Ingestion tips:

1, the excess energy will be stored in the body. The storage form of energy in the human body is fat. Abnormal accumulation of fat in the body will lead to obesity, bring unnecessary burden to the body, and may become a risk factor for degenerative diseases such as cardiovascular disease, some cancers and diabetes.

2, the human body's daily energy intake is insufficient, and the body will use its own energy reserves and even consume its own tissues to meet the energy needs of life activities. People have been hungry for a long time. In a certain period of time, the body will experience basal metabolism reduction, physical activity reduction and weight loss to reduce energy consumption and make the body adapt to energy intake. At this time, energy metabolism will reach a new low-level balance from negative balance.

3. Infants, children and adolescents, pregnant women and nursing mothers, convalescent patients, etc. Part of their daily energy intake is used for tissue growth and special physiological changes.

Extended data

In diet, when to eat may be more important than what to eat. Irregular diet will increase the risk of hypertension and obesity, and it will bring greater health benefits to meet the internal needs of the body and give corresponding nutritional supplements.

The best time and way to replenish human energy;

1, 6: 30: stretching. Exercise is an accelerator to start a day's vitality. Simple exercise every morning 10~20 minutes, and light exercise is recommended.

2. 7~8: 00: Have a nutritious breakfast. Starch foods such as steamed stuffed buns, fried dough sticks and sesame cakes are the main force on most people's breakfast tables. However, Zhu Huilian, a member of the Nutrition Branch of China Nutrition Society and a professor at the School of Public Health of Sun Yat-sen University, believes that people need a nutritious breakfast to ensure energy supply and keep their brains running efficiently.

3 10: Eat a portion of fruit or a handful of nuts. Some people usually eat more meat and less fruits and vegetables, so they can eat a fruit in the morning. You can also eat nuts, which is good for cardiovascular and cerebrovascular diseases. Hazelnuts, walnuts, almonds and pine nuts are all good choices. Take a handful at a time.

4 12: lunch food must be varied. In addition to the staple food, office workers can also order a vegetarian dish, vegetarian dish or a dish with a vegetarian dish, preferably with a bowl of soup. Old people must be "miscellaneous" when cooking lunch, and try to put more ingredients when cooking. For example, put some mushrooms when cooking, and diced carrots and cucumbers when cooking meat dishes. The amount of each dish is not large, but the variety and color should be as rich as possible.

5 15: Eat a banana to increase energy. At this time in the afternoon, you need to supplement some calories and nutrients to resist the interruption of sleepiness. Cortisol is constantly secreted by adrenal gland, which is easy to make people feel depressed, and fructose in bananas can be converted into glucose by the liver, which can improve the bad state.

People's Network-Supplement nutrition on time to ensure the body's energy supply.

Baidu encyclopedia-human energy