2024-08-20
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When it comes to vitamin supplements, the first thing that comes to mind isVitaminsC。
In fact, according to relevant surveys, compared with vitamin C, Chinese residents are more likely to lack vitaminB2, vitaminsB1and vitamin A.
Experts interviewed
Vitamin B2
In the country's mostAmong the vitamins that are easily deficient,dimensionB2First in line。The Chinese Nutrition Society recommends that adult men and women maintainB2The recommended intakes for vitamins A and B are 1.4 and 1.2 mg/day respectively.
According to the "Report on the Nutrition and Chronic Disease Status of Chinese Residents (2020)", the Chinese residents maintainB2The average daily intake is only 0.7 mg.
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Lack of performance
dimensionB2Also called riboflavin, its main physiological function is to participate in energy as a coenzymemetabolismIf the intake is insufficient, energy and material metabolism will be disrupted.
In the early stages of deficiency, symptoms include fatigue, oral or eye discomfort, etc. In severe cases, skin and mucous membrane damage and resulting inflammation may occur, such as ulcers at the corners of the mouth, cheilitis, glossitis, keratitis, scrotal dermatitis, etc.
People with high daily energy consumption, growing children, and people recovering from trauma should pay special attention to adequate intake of vitamins and minerals.B2。
This kind of food supplement
B2The main food sources are milk, egg yolks, dark green leafy vegetables, grains, beans, nuts, fish and offal. Yogurt, cheese, fermented black beans and other foods containing beneficial microorganisms are usually rich in vitamins.B2。
According to nutrient density, dark green leafy vegetables are vitaminB2The densest source of
Vitamin B1
The Chinese Nutrition Society recommends that adult men and women maintainB1The recommended daily intake of vitamins and minerals is 1.4 and 1.2 mg/day respectively.B1The intake is decreasing.
The results of the national nutrition survey show that from 1982 to 2020, the Chinese people maintainedB1The average intake of vitamin C dropped from 2.5 mg/day to 0.8 mg/day.
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Lack of performance
dimensionB1Also known as thiamine, it is closely related to the function of the nervous system.B1It can make people depressed and slow in thinking. Studies have shown that supplementing vitaminsB1Can improve postpartum depression.
Severe lack ofB1Sometimes peripheral neuritis may occur, such as beriberi, and the risk of sudden heart attack may be increased.
This kind of food supplement
dimensionB1It is widely present in various natural foods, especially cereals, beans and dried fruits. It is also rich in animal offal, lean meat and eggs.
Vitamin A
The Chinese Nutrition Society recommends that the recommended daily intake of vitamin A for adult men and women is 770 and 660 micrograms per day, respectively. According to the "Report on the Nutrition and Chronic Disease Status of Chinese Residents (2020)", the average daily intake of vitamin A in Chinese residents is 406.8 micrograms.
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Lack of performance
The most important function of vitamin A is to maintain visual function. Deficiency increases the risk of dry eyes and night blindness.
Vitamin A is also very important for the formation and development of epithelial tissue cells. Deficiency can lead to dryness, hyperplasia, keratinization, and susceptibility to infection of the skin and mucous membranes.
Especially children, the elderly and people with low immunity are prone to respiratory inflammation due to vitamin A deficiency.
This kind of food supplement
The best sources of vitamin A are animal liver and kidneys, egg yolks, cream and fatty fish.
Vitamin C
The Chinese Nutrition Society recommends that adults should consume 100 mg of vitamin C per day; to prevent chronic diseases, it is recommended to consume 200 mg per day.
Data shows that the average daily intake of vitamin C among Chinese residents is 75.5 mg.
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Lack of performance
Vitamin C, also known as ascorbic acid, is one of the nutrients most required by the human body. It has multiple physiological functions, such as anti-oxidation, enhancing human immunity, and improving the utilization of iron, calcium and folic acid.
Long-term deficiency of vitamin C can cause bleeding gums, subcutaneous ecchymosis, oral ulcers, difficulty in wound healing, etc. It may also cause a variety of chronic diseases such as diabetes and cardiovascular disease.
This kind of food supplement
The main sources of vitamin C are fresh vegetables and fruits, such as fresh peppers, rapeseed, amaranth, broccoli, fresh dates, hawthorn, kiwi, etc.
Generally speaking, eating one pound of vegetables and half a pound of fruit every day can meet the body's needs for vitamin C, and there is no need to take additional supplements.▲
The author of this article is a special correspondent of Life TimesGreen Pavilion Editor of this issue:Xu Menglian