It might also cause Kashin-Beck disease, a type of arthritis that produces pain, swelling, and loss of motion in your joints. Scientists are studying selenium to understand how it affects health. Here are some examples of what this research has shown. Studies suggest that people who consume lower amounts of selenium could have an increased risk of developing cancers of the colon and rectum, prostate, lung, bladder, skin, esophagus, and stomach.
But whether selenium supplements reduce cancer risk is not clear. More research is needed to understand the effects of selenium from food and dietary supplements on cancer risk. Scientists are studying whether selenium helps reduce the risk of cardiovascular disease.
Some studies show that people with lower blood levels of selenium have a higher risk of heart disease, but other studies do not. More studies are needed to better understand how selenium in food and dietary supplements affects heart health. Blood selenium levels decrease as people age, and scientists are studying whether low selenium levels contribute to a decline in brain function in the elderly.
Some studies suggest that people with lower blood selenium levels are more likely to have poorer mental function. But a study of elderly people in the United States found no link between selenium levels and memory. More research is needed to find out whether selenium dietary supplements might help reduce the risk of or treat cognitive decline in elderly people. The thyroid gland has high amounts of selenium that play an important role in thyroid function.
Studies suggest that people—especially women—who have low blood levels of selenium and iodine might develop problems with their thyroid. But whether selenium dietary supplements can help treat or reduce the risk of thyroid disease is not clear.
More research is needed to understand the effects of selenium on thyroid disease. Enter Email Address. Facebook Pinterest Twitter Youtube Instagram. C ertain things in life are just better together: chocolate and peanut butter, you and your BFF, iron and vitamin C.
And another power duo that deserves major recognition is selenium and antioxidants. Related Stories. Tags: Holistic Treatment. Loading More Posts Featured Collection. Contact us. Please note you do not have access to teaching notes. Other access options You may be able to access teaching notes by logging in via your Emerald profile. Abstract Considers the role of selenium as an essential nutrient.
Join us on our journey Platform update page Visit emeraldpublishing. Asthmatics have been found to have low selenium levels. But even among people with mild to moderate asthma with low selenium compared to those without the inflammatory condition, a relationship between lung function and selenium status can be seen.
Higher selenium levels are associated with better lung function even before treatment with supplements Guo, For most people, getting enough selenium is as easy as checking that a couple of foods with solid selenium content are in their daily or weekly diet. Common foods like meat, seafood, and dairy products are all quality sources, but even vegans can easily get a quality amount of selenium just by eating a Brazil nut a couple of times a week.
But dietary supplements may be necessary or helpful for some people in order to improve or maintain selenium status. Supplements may contain different forms of selenium, such as sodium selenite, selenomethionine, or even both. Although short-term high doses may be necessary to correct selenium deficiency, these should always be supervised by a medical professional as selenium toxicity can be dangerous.
Last updated December 19, Written by Linnea Zielinski. Disclaimer If you have any medical questions or concerns, please talk to your healthcare provider. Vitals Selenium is a trace mineral that we need to get through diet or supplements. This mineral is essential for thyroid health and a working metabolism. Selenium is also a potent antioxidant and may lower oxidative stress, which has been linked to many chronic diseases from type 2 diabetes to some types of cancer.
Although there is some evidence that selenium may have some protective effect against some cancers, more research needs to be done in this area. Brazil nuts are the most potent food sources, but meat, seafood, and dairy are all good food sources of the vital mineral. Advertisement Roman Daily—Multivitamin for Men Our team of in-house doctors created Roman Daily to target common nutrition gaps in men with scientifically backed ingredients and dosages. Learn more. Related articles.
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