Nutritional supplements are believed to be very familiar to everyone. The multivitamins, calcium tablets, cod liver oil, natural vitamin E and so on are all that you can often see and even eat regularly. In the face of these dazzling health products, we are in the end. Shouldn't it be eaten?
What is a nutritional supplement?
Nutritional supplements, also known as Dietary Supplements, are an aid to the diet to supplement the amino acids, trace elements, vitamins, minerals, etc. needed by the body. To put it simply, the calcium tablets, multivitamins, cod liver oil and so on that we usually eat are nutritional supplements.
Is the nutritional supplement a medicine or a food?
First of all, we must know that nutritional supplements are not medicines.
About its definition - "products for the purpose of supplementing vitamins and minerals, including nutrient supplements for management; products based on nutrients such as dietary fiber, protein or amino acids, which meet the requirements of ordinary foods, are processed according to common foods. Management; if it has health care functions, it shall be managed in accordance with the relevant provisions of health food."
Therefore, nutritional supplements are food grade, not drugs. Although it is not a medicine, it is not something that can be eaten casually.
I believe that everyone often sees that many colleagues around are eating some calcium tablets, multivitamins, vitamin C, etc. When they ask why they eat and know that they lack these things, their answer is "I feel that they are all good things for the body." It should be added, there is no side effect on the body anyway," but is it really like this?
In the British BBC's "The Secret of Food Truth" documentary, an experimental study was conducted on the effects of multivitamins on normal humans.
First of all, the volunteers' blood vitamins were normal before taking the multivitamin. After taking the multivitamin for a while, the indicators of blood vitamins were the same as before, and nothing changed. Volunteers did not feel energetic during these vitamins.
The experiment found that for normal people, multivitamins can't make changes to your health. The only change is to make your urine more valuable because it is rich in vitamins.
Some people may say that these things are beneficial to the human body anyway, just take insurance. But in fact, nutrition experts have found through many years of experimental research that for a healthy person, long-term use of some nutritional supplements will increase the risk of some diseases, including skin cancer and lung disease, so Adding these does not protect our health and may even harm our health.
Some water-soluble vitamins, if taken in excess, will be excreted in the urine, so you don't have to worry about side effects. However, some fat-soluble vitamins, such as vitamins A and D, have some toxic side effects. If they are taken or taken in excess, they are very dangerous. Therefore, don't just add these nutrients casually. Whether you are lacking, and consult a physician or dietitian.
Who can eat nutritional supplements?
In fact, nutritional supplements are not really useless. For some special people, it is prone to lack of nutrients, and vitamin supplements can be used to make up for vitamins and minerals that cannot be met by daily diet.
Nutritional supplements for different groups of people:
1. The demand for nutrients in pregnant or lactating women should be increased, especially the supplementation of folic acid in the first trimester, and the supplement of calcium and iron in the middle and late pregnancy.
2. People with special diseases. For example, patients with diabetes need to supplement B vitamins. B vitamins play an important role in controlling blood sugar and preventing diabetes complications.
3. Newborns in the rapid development of growth and development, vitamin D is often insufficient, especially for exclusively breastfed babies, need to add vitamin D.
4. Women with menstrual blood volume or anemia may need to add iron to compensate for the loss of iron in the blood.
5. Pregnant women, in addition to folic acid from the food every day, but also additional folic acid preparations to prevent neural tube defects in infants.
6. The elderly and menopausal women, in order to reduce the loss of calcium in the bones, in addition to eating calcium-rich foods, you can also take appropriate calcium and vitamin D supplements.
7. Dieting dieters and vegetarians, dieting will lead to insufficient intake of nutrients, it is recommended to take multivitamins and mineral supplements; vegetarians are likely to lead to insufficient intake of iron, vitamin B12 and vitamin D, need to add these nutrients.
In fact, as long as you maintain your health in daily life and ensure a balanced diet every day, you can fully meet our needs for these nutrients, without having to add extra.