During pregnancy, a person should consume 60 mcg, and while lactating, they should consume 70 mcg per day. Selenium deficiency is rare worldwide, and it often takes years to develop. It usually only occurs in regions with severely low selenium content in the soil, such as several regions in China. However, according to the ODS , supplementation programs have mostly eradicated these deficiencies in the Chinese population. The upper limit for the optimal level of selenium in the body is mcg for adults.
It is rare for anyone to overdose on selenium, especially from selenium in food. However, an overdose of highly concentrated supplements can have negative effects. These may include :. In extreme cases, selenium overdose could lead to kidney failure, heart failure , and death.
Selenium supplements can also interact with some medications, including cisplatin, which is a chemotherapy drug. The use of this drug can reduce selenium levels in the body. People can get selenium through multivitamins and other dietary supplements. These may contain the mineral in different forms, including selenomethionine and sodium selenate. The Dietary Guidelines for Americans, — encourage people to get their nutrients from food sources rather than supplements.
Eating a varied and healthful diet is more important than concentrating on individual nutrients as the key to good health. When taking any supplement, it is important to purchase it from a reputable source.
Selenium supplements are available for purchase online. Selenium is a mineral that may provide different health benefits. For example, it may help with cardiovascular health, cognitive function, and thyroid health. People can get selenium from foods that contain it, and they can also add it to food or consume it as a supplement. However, more research is needed to determine whether or not taking selenium supplements can actually reduce disease risk or help prevent health problems.
The best sources of selenium include some nuts, fish, and poultry. Selenium is a nutrient that the body needs to stay healthy. Learn more. Through its antioxidant action, selenium appears to keep your nervous system healthy, protect you from coronary heart disease, and improve the responsiveness of your immune system.
No multivitamin is complete without selenium, which is why we made sure to include your full daily dose of this impressive nutrient in Feel. Medical research has established that selenium has several compelling benefits that make this mineral an integral part of your diet.
Here are the highlights:. Antioxidant Benefits. Free radicals are natural parts of your immune system that can get out of hand. Certain lifestyle choices and environmental factors can increase the levels of free radicals in your body, which leads to oxidative stress. This type of stress can cause all sorts of diseases from heart disease to diabetes.
Selenium, however, is a powerful antioxidant that puts free radicals in check and prevents the inflammation that harms your bodily tissues. Cardiovascular Benefits. A meta-analysis of the available research found that increasing your selenium levels by 50 percent reduces your risk of coronary artery disease by 24 percent.
Selenium reduces inflammation throughout your body, and since inflammation is one of the main causes of heart disease, these results make a lot of sense. Specifically, supplementing with selenium increases levels of glutathione peroxidase, which reduces your risk of both coronary artery disease and atherosclerosis.
Neurological Benefits. Immune Benefits. Selenium deficiency slows down the responsiveness of your immune system. Supplementing with this nutrient appears to improve the immune responsiveness of patients with immune-compromising conditions like AIDS, tuberculosis, and hepatitis C. Other Benefits. Additionally, supplementing with selenium appears to improve the symptoms of asthma. Selenium is water-soluble , therefore it's processed quickly and most of it is excreted within 24 hours.
Seafood is the best source of natural selenium, but it's also present in brazil nuts, some dairy products and veg. Many grains and cereals are fortified with this mineral. Pregnant women should consume 60mcg, and lactating women should consume 70mcg. B razil nuts - approximately 4g or 1 nut. Eggs - approximately 3 eggs. Brown rice - approximately g. Sunflower seeds - approximately g. Baked beans - approximately g. Dietary selenium is necessary for the formation of selenoproteins, which are antioxidant proteins that the body uses for a variety of purposes.
For instance, these proteins may be able to fight cancer, protect your cardiovascular health, and even prevent neurological conditions. Anti-cancer functions : Studies have noted that people who consume more selenium are less at risk of developing cancer. Cardiovascular function s: Selenium prevents fats in your body from oxidising, which helps reduce cardiovascular inflammation and prevent heart conditions.
Thyroid functions: Selenium is almost as important for proper thyroid functioning as iodine. Thyroid Issues. Selenium deficiency can cause reduced levels of thyroid hormone, which can result in hypothyroidism. Symptoms of this thyroid condition include weight gain, low energy levels, feeling cold, and mental fog. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur.
In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur.
Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of medicines in this class. Make sure you tell your doctor if you have any other medical problems, especially:. The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label.
The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine.
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