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Selenium, an essential element for the human body, can kill cancer cellsEat 4 kinds of foods appropriately, and you are not afraid of selenium deficiency
Selenium is one of the essential trace elements in the human body, with anti-cancer, antioxidant and other biological activities.
This article will explain how selenium works, what to eat**, and how to supplement with selenium through a sensible diet to promote good health.
1. Biological activity and mechanism of action of selenium.
Selenium is an important trace element that exerts many important biological activities in the human body. First of all, selenium has anti-cancer effects. Studies have shown that selenium can inhibit the growth and spread of cancer cells, induce apoptosis of cancer cells, and enhance the body's resistance to cancer. Secondly, selenium also has an antioxidant effect, which can scavenge free radicals and reduce oxidative stress, thereby protecting cells from damage. In addition, selenium is involved in the synthesis and metabolism of thyroid hormones and also has a protective effect on the immune system and cardiovascular system.
2. Absorption of food ** and selenium.
The main selenium requirement of the human body is food. Foods rich in selenium include: seafood, organ meat, meat, eggs, legumes, nuts and grains. The amount and bioavailability of selenium in different foods also varies.
In general, seafood has a high selenium content and is easily absorbed and utilized by the body. In addition, the absorption of selenium is also affected by other nutrients, such as vitamin E, vitamin C, etc., which can promote the absorption of selenium.
3. How to supplement selenium reasonably.
In order to maintain good health, it is recommended to consume a moderate amount of selenium every day. According to the recommendations of the Chinese Nutrition Society, adults can consume 60 micrograms of selenium per day to meet their needs. For people at high risk of cancer and other diseases, selenium intake can be appropriately increased. However, it is important to note that excessive intake of selenium may also cause damage to the body, so it should be supplemented in moderation according to individual circumstances.
In order to better supplement selenium, we can take the following measures: First, maintain a balanced diet and eat a variety of foods to obtain comprehensive nutrition. Secondly, eat more selenium-rich foods, such as seafood, animal offal, etc.
At the same time, pay attention to avoid factors that affect selenium absorption, such as avoiding excessive intake of vitamin C and iron at the same time. In addition, for people who need special supplements, you can choose suitable selenium supplements under the guidance of your doctor.
IV. Conclusions. In summary, selenium plays an important biological activity in the human body, with anti-cancer, antioxidant and other effects. In order to maintain good health, we should pay attention to reasonable selenium supplementation. Consuming selenium-rich foods through a varied diet can meet the body's need for selenium. At the same time, for people who need special supplementation, reasonable supplementation should also be made under the guidance of doctors.
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