Health Tip: Vitamin correctly

Vitamins, the body to maintain normal physiological functions and essential food obtained from a class of trace substances in general, in human growth, metabolism, development played an important role. Once the lack of it will lead to a corresponding vitamin deficiency disease, damage to human health. Although the consumption of fresh vegetables and fruits are the most simple and safe method of supplementary vitamins, but the busy city life makes people feel more simple vitamin drugs, save, and some people think that vitamins can delay aging, lower cholesterol and help weight loss , and expel toxins from the body, large doses of vitamins. Little do they know too far, too much vitamin not only will not guarantee balanced nutrition, but the body will bring unexpected danger.
Vitamins according to the different nature can be divided into water-soluble vitamins and fat-soluble vitamins. Fat-soluble vitamins, including vitamin A, D, E, K, is not easy from the body, long-term excessive use of easier to accumulation in the body poisoning. Water-soluble vitamins dissolve in water, overdose can easily excreted from the urine, poisoning is not easy, but it will still cause a large number of intake of various adverse reactions.
First, the fat-soluble vitamins
Vitamin A
Vitamin A to maintain vision, bone growth and function of the skin plays an important role in normal adult daily requirement of vitamin A minimum of about 3,500 international units, children under the age difference, for the 2000-2500 international units, breastfeeding women may be appropriate to increased to 6,000 international units. Diet, egg yolk, cod liver oil, liver, dark green or deep yellow vegetables and fruits containing vitamin A are more abundant.
Vitamin A, such as a large number of accumulation in the body, may occur demineralized bone, joint pain, dry skin, loss of appetite and other symptoms of poisoning. An amount of more than 30 million children in international units for adults over 1 million international units, can cause acute poisoning, symptoms of unusual excitement, dizziness, drowsiness, severe headache, vomiting, diarrhea, peeling (especially the lips and hands), baby increased intracranial pressure occur, resulting in uplift of broad anterior fontanel, convulsions, vomiting, hydrocephalus may also occur. Adult 10 million international units a day if, for taking more than 6 months, can lead to chronic poisoning. Performance of bone and joint pain, increased intracranial pressure, over-excitement, headache, vomiting, anorexia and so on.
Vitamin D
Vitamin D can promote the body's absorption of calcium, plays an important role on bone function can be used to prevent and treat rickets, osteomalacia and osteoporosis. Diet, cod liver oil, liver, egg yolk, milk is rich in vitamin D. In addition, proper lighting is conducive to the body of endogenous vitamin D synthesis. Adolescents, pregnant and lactating women daily requirement of about 400-800 international units.
Large quantities of oral vitamin D, can lead to chronic poisoning, manifested as dizziness, nausea, vomiting, hypertension, bone pain, severe poisoning can lead to kidney failure, soft tissue and vascular calcification. If a large number of pregnant women taking long-term, it will lead to hypercalcemia, the infant mental retardation. Children may result in excessive growth to stop.
Vitamin E
Vitamin E is also known as tocopherol, associated with reproductive function. Daily dietary intake mainly from vegetable oils, green vegetables, beans, meat. Normal daily diet can provide the required volume. Long-term excess vitamin E, more than 300 mg per day, may lead to high blood pressure, urticaria; the amount of 400 to 800 mg per day can lead to gastrointestinal disorders, dizziness, breast swelling, blurred vision, headache, dizziness, women, menorrhagia or amenorrhea; more than 800 mg per day, can affect endocrine function, sexual function, immune function, leading to platelet aggregation, thrombosis.
Vitamin K
Vitamin K-related coagulation in vivo, very few human daily requirements, green leafy vegetables rich in vitamin K, generally do not need to add extra adults, but the lack of neonatal easier. Low birth weight premature children or children with large doses of vitamin K can cause neonatal jaundice, hyperbilirubinemia and hemolytic anemia.
Second, water-soluble vitamins
Vitamin B1
B1 overdose can lead to heart palpitations, insomnia, irritability, high blood pressure, skin rashes and allergies; B2 overdose can cause nausea, vomiting, fatigue, anemia, low blood pressure, urine yellow. B6 If you take more than 200 mg daily, continued for a month, can lead to vitamin B6 dependency syndrome, pregnant women overdose would lead to vitamin B6 dependency syndrome in infants appears. If daily doses of 2-6 grams of B6, a few months, there may be severe peripheral neuritis, manifested as nerve paresthesia, ataxia, numbness and so on.
Vitamin C
Vitamin C is also known as ascorbic acid, vitamin C may be the right amount of resistance to free radicals, against the cold. But the extensive use can cause diarrhea, urinary tract stones, induced gout, ulcers worse. Long-term use 2-3 grams per day after discontinuation of vitamin C deficiency can cause. A large number of pregnant women taking vitamin consecutive C, the fetus would lead to dependency.
In general, as long as a balanced diet, the body needs daily intake of vitamins can be no additional supplement. However, in real life, the food cooking, eating habits and other factors, some specific populations, such as children, eating disorders are, weight loss, vegetarians, pregnant women, elderly people with limited food, food through fine meticulous persons may be appropriate vitamin supplements. But do not put vitamin supplements and blind as a class of drugs overdose, if necessary, should be taken under the guidance of doctors. To you and your family's health, vitamins do not abuse drugs.