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what does selenium help with

by Prof. Ryann Bode Published 2 years ago Updated 2 years ago
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Selenium is an essential component of various enzymes and proteins, called selenoproteins, that help to make DNA and protect against cell damage and infections; these proteins are also involved in reproduction and the metabolism of thyroid hormones.

Is selenium good to take everyday?

When taken by mouth: Selenium is likely safe when taken in doses less than 400 mcg daily, short-term. But selenium is possibly unsafe when taken in high doses or for a long time. Taking doses above 400 mcg daily can increase the risk of developing selenium toxicity.

What are the symptoms of selenium deficiency?

What are the symptoms?infertility in men and women.muscle weakness.fatigue.mental fog.hair loss.weakened immune system.

Does selenium cause weight gain?

In previous studies of rats, selenium supplementation caused significant weight and body fat reduction. However, 2 small interventional studies in humans have reported contradictory results. One study of 11 men found that raising selenium intake increased weight gain.

How does selenium make you feel?

While supplementation may be beneficial for those who have a low intake, supplementation could cause issues in those who have a normal or high intake. Selenosis, or selenium toxicity, is dangerous and can cause side effects such as hair loss, fatigue, nausea, and vomiting.

What happens if you have too little selenium?

Selenium deficiency can cause Keshan disease (a type of heart disease) and male infertility. It might also cause Kashin-Beck disease, a type of arthritis that produces pain, swelling, and loss of motion in your joints.

What food is high in selenium?

Pork, beef, turkey, chicken, fish, shellfish, and eggs contain high amounts of selenium. Some beans and nuts, especially Brazil nuts, contain selenium.

What blocks selenium absorption?

Smoke cigarettes. Drink alcohol. Take birth control pills. Have a condition that prevents your body from absorbing enough selenium, such as Crohn disease or ulcerative colitis.

How long does it take to correct a selenium deficiency?

If your muscle pain is caused by selenium deficiency then supplementing with selenium should help reduce your symptoms in as little as 4 weeks.

What are the benefits of Selenium?

Top 8 Selenium Benefits. 1. Acts as an Antioxidant and Defends Against Oxidative Stress. Selenium benefits include the ability to fight the aging process and help the immune system by reducing free radical damage.

Why is Selenium important?

It’s needed to fight oxidative degradation of cells and protect against mutation and DNA damage that can cause disease. 2. May Help Defend Against Cancer. Selenium benefits are especially helpful if you have a weak immune system or a history of cancer in your family.

What Is Selenium?

Selenium is a trace mineral that is found naturally in the soil and also appears in certain foods. There are even small amounts in the water you drink.

How much Selenium is in a day?

Adults and children 14 and up: 55 micrograms/day. Pregnant women: 60 micrograms/day. Breastfeeding women: 70 micrograms/day. In supplement form, selenium is available in the form of selenomethionine and selenium selenite. Selenomethionine is usually easier for most people to digest and absorb properly.

Why is glutathione reductase important?

Because it both increases antioxidant capabilities and the quality of blood flow, it can help to enhance resistance against diseases and effects of stress.

Which food has the highest selenium content?

What food is highest in selenium? That would be Brazil nuts.

Where are selenites found?

Two types, selenate and selenite, are found predominantly in water, whereas the other two types are the kinds found in soil and therefore in food sources. For humans, the primary pathway of consuming it is through food, followed by water and then by air.

What is the best source of selenium?

Good natural food sources of selenium include: Nuts, like Brazil nuts and walnuts. Many fresh and saltwater fish, like tuna, cod, red snapper, and herring. Beef and poultry.

What foods contain selenium?

Good natural food sources of selenium include: 1 Nuts, like Brazil nuts and walnuts 2 Many fresh and saltwater fish, like tuna, cod, red snapper, and herring 3 Beef and poultry 4 Grains

What are the health conditions that are associated with low selenium levels?

But some health conditions -- such as HIV, Crohn's disease, and others -- are associated with low selenium levels. People who are fed intravenously are also at risk for low selenium. Doctors sometimes suggest that people with these conditions use selenium supplements.

Where is selenium found in 2021?

Medically Reviewed by Melinda Ratini, DO, MS on March 26, 2021. Selenium is a mineral found in the soil. Selenium naturally appears in water and some foods. While people only need a very small amount, selenium plays a key role in their metabolism.

Does selenium help with cancer?

Evidence that selenium supplements may reduce the odds of prostate cancer has been mixed, but most studies suggest there is no real benefit. Selenium does not seem to affect the risk of colorectal or lung cancer. But beware: some studies suggest that selenium may increase the risk of non- melanoma skin cancer.

Can selenium cause nausea?

Taken at normal doses, selenium does not usually have side effects. An overdose of selenium may cause bad breath, fever, and nausea, as well as liver, kidney and heart problems and other symptoms. At high enough levels, selenium could cause death. Interactions.

Can you take Selenium supplements for cancer?

Skin cancer. Selenium supplements may be associated with a risk of skin cancer (squamous cell carcinoma), so people at high risk of skin cancer should not take these supplements.

What are the benefits of Selenium?

Selenium has a wide array of health benefits, including its ability to protect against certain heart diseases, boost the strength of the immune system, maximize thyroid function, reduce inflammation, reduce the signs of premature aging, protect against antibodies, boost hair health, and balance your hormones.

Why is selenium important?

Studies have shown that selenium is important in the stimulation of antibodies, which are elements of the immune system that seek out and destroy viral, bacterial, fungal, and protozoan foreign bodies that result in diseases and infections. It is said to help stimulate these antibodies, particularly after you receive a vaccination for one of these diseases, making your body resilient and experienced in fighting them off so you remain healthy and protected throughout your life. [6]

What is Selenium?

Selenium is an essential trace mineral that is mainly derived from soil, water, and plant materials. Humans mainly acquire it from various plant sources, and since it is required for several essential activities, it is considered a non-metal. Although toxic in large quantities, it is necessary for certain cellular functions of animals and people. Therefore, including selenium-rich plant material in your diet is very important for maintaining overall health and wellness.

Why is selenium important for the immune system?

Studies have shown that selenium is important in the stimulation of antibodies, which are elements of the immune system that seek out and destroy viral, bacterial, fungal, and protozoan foreign bodies that result in diseases and infections.

What are the sources of selenium?

Vegetarian sources: Brazil nuts are the richest source of this mineral discovered so far, mainly because the nut requires no selenium for its own function, but stores large quantities that can be absorbed and utilized by those who eat the nut. Other plant-based sources are spinach, mushrooms, sunflower seeds, and chia seeds. Other good sources are foods made from grains grown in selenium-rich soils, such as cereals, brown rice, white bread, and pasta.

Why is it important to eat Selenium?

Selenium-rich foods can help us live a longer and healthier life. This mineral is vital to well-being as it plays a role in improving overall health.

Does Selenium help with eczema?

Selenium has been shown to reduce oxidative stress that often occurs around joints and bones, manifesting into the various inflammatory conditions like rheumatoid arthritis, gout, psoriasis, lupus, eczema associated pain, and weakness.

What is selenium?

Selenium is mineral that is found in soil and occurs naturally in certain foods (such as whole grains, Brazil nuts, sunflower seeds, and seafood). Selenium is not produced in the body, but it is needed for proper thyroid and immune system function.

How should I take selenium?

If you choose to use selenium, use it as directed on the package or as directed by your doctor, pharmacist, or other healthcare provider.

What should I avoid while taking selenium?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What are the side effects of selenium?

Long term use of high selenium doses can lead to dangerous side effects. Stop taking selenium and call your doctor at once if you have: 1 nausea, vomiting; 2 lack of energy, feeling irritable or very tired 3 hair loss, mild rash, brittle or painful fingernails, or white streaks on the nails; 4 tremors, feeling light-headed; 5 muscle tenderness; 6 flushing (warmth, redness, or tingly feeling); 7 metallic taste, bad breath, strong body odor; or 8 easy bruising or bleeding.

How long before surgery can you stop using Selenium?

If you need surgery, tell the surgeon ahead of time that you are using selenium. You may need to stop using this product for at least 2 weeks before your surgery. This medication can affect the results of certain medical tests. Tell any doctor who treats you that you are using selenium.

Can you use selenium for long term?

Warnings. High doses or long-term use of selenium can lead to serious medical problems or death. Do not use more of this product than is recommended on the label. Follow all directions on your medicine label and package.

Is selenium safe for thyroid?

Selenium has been used in alternative medicine as an aid to treat Hashimoto's thyroiditis (an autoimmune disorder of the thyroid), and to treat high cholesterol. Not all uses for selenium have been approved by the FDA. Selenium should not be used in place of medication prescribed for you by your doctor.

Why is selenium important for antioxidants?

The main reason would be selenium’s powerful antioxidant properties. It helps neutralize free radicals. In other words, it helps reduce oxidative damage through several different mechanisms, the main one is by recycling glutathione, a strong antioxidant. You have another enzyme in your body that breaks down hydrogen peroxide, it’s called Catalase. Both catalase and glutathione Peroxidase require selenium as part of their molecular structure (in their core anatomy) in order to function properly and keep you healthy! Both of those enzymes are major players in terms of detoxification. You’d die within minutes without them. So a selenium deficiency over time, can lead to suppressed antioxidant activity due to the low levels of glutathione and catalase. And when you have poor antioxidant protection, you’re more susceptible to DNA damage which leads to cancer.

Why is selenium needed for thyroid?

It’s needed for the “deiodinase” enzymes that convert inactive thyroxine T4 to biologically active T3. Interestingly, selenium is depleted by countless drugs.

How much selenium should I take a day?

The dosage varies, most of the time it is something between 50 mcg and 200 mcg per day. Sometimes, people take 200 mcg twice a day but this usually includes food sources. If you test your selenium levels and find that they are low, or if you have elevated TPO antibodies (a sign of Hashimoto’s thyroiditis), you probably need a little extra selenium for a few weeks or months. Since I’m not a physician, and I can’t prescribe for you, please ask your physician if it’s right for you. If you do begin selenium, I suggest the more natural food-based form called selenomethionine.

Where did selenium come from?

The Greek word “selene” means moon, and that’s where the trace mineral selenium gets its name. It was discovered in Sweden in the year 1817. If you’re a man thinking of selenium, think of it as a natural remedy for your prostate. And if you’re a woman, think about thyroid and breasts.

How long does it take for swelling to go down with selenium?

It’s astounding to note that 75 percent of participants showed improvement in their swelling at just 2 weeks, compared to baseline. There was no change in the control group. So if there is lymph node damage, and related swelling it may be wise to have a conversation with your doctor and see if you can supplement with selenium. What more relevant to me, is that this profound anti-inflammatory and immunosupportive action (remember it took just 2 weeks!) was completely independent of selenium’s antioxidant capabilities!

What meds can rob selenium?

The mineral is wiped out by over 25 popular medications including the antacids, reflux drugs and statins.

Is Selenium a nonmetal?

Selenium is important if you take a cholesterol medication, and I’ll get to that shortly. Selenium is considered a nonmetal, even though it’s similar to magnesium in so many ways.

Why is selenium important for the body?

Basically, your body needs selenium in order to get the most benefits out of certain antioxidants that fight inflammation and free radical damage in your body.

Is it necessary to take selenium supplements?

So if you’re already getting a lot of selenium through your diet (like eating lots of poultry and eggs), it may be best to keep it that way to avoid overdoing it. A separate selenium supplement probably isn't necessary for most people, unless their doctor recommends it. Which is great, because I have so many vitamins already in my lineup as it is.

Does selenium help with thyroid?

3. It may boost thyroid health. Selenium helps your body metabolize thyroid hormones, which help regulate your metabolism, digestive function, and mood. For anyone who’s ever struggled with thyroid issues, you may want to allow selenium to be your new best friend—because it can help a lot.

Does Selenium cause autoimmune disease?

And if you suffer from an autoimmune disease, be careful. “Selenium might have immunostimulant effects, meaning it could worsen an autoimmune disease by stimulating disease activity,” says Samuels.

Is there such a thing as too much selenium?

In a word, yes. The recommended daily allowance (RDA) of selenium is 55 milligrams per day, although a 2012 study found that most people get more than they need from diet and supplementation. People can safely take up to 400 milligrams per day, says Samuels, but anything more than that can be harmful. Consuming too much selenium is linked with a number of health consequences, she says, including nausea, vomiting, abdominal pain, dermatitis, nail changes, fatigue, irritability, alopecia, impaired endocrine function, neurotoxicity, and weight loss.

Why do we need Selenium?

Selenium is a trace mineral, meaning your body only needs a small amount. However, these low levels bring powerful health benefits. Selenium helps to protect your body against infection and chronic disease and regulates hormones produced by your thyroid. This mineral is found in a wide range ...

What is the best source of selenium?

Oatmeal. Whether having a bowl for breakfast, using it to thicken smoothies, or substituting flour in baked goods, oatmeal is an excellent selenium source. A cup of instant oatmeal contains 10 micrograms of selenium, while raw oats have up to 23 micrograms. 8.

How much Selenium is in chicken breast?

A sautéed chicken breast can have up to 35 micrograms of selenium with an extra 5 micrograms if you eat the skin. Lean varieties of beef can be a great choice as well. Serve up a 4-ounce portion of skirt steak to get 26 micrograms of selenium. 4. Pasta. Pasta is an easy way to include selenium in most diets.

How much selenium is in sardines?

Per a 3-ounce serving, yellowfin tuna and white fish like halibut have about 92 micrograms of the mineral, while tinned sardines contain 45 micrograms for the same portion.

What foods contain Selenium?

These eight foods are some of the most nutrient-rich sources of selenium: 1. Brazil Nuts. Brazil nuts are the most potent source of selenium available. Just one nut contains 95 micrograms, almost twice your daily requirement. However, it’s important to moderate your portions to the recommended amounts.

Where does selenium come from?

This mineral is found in a wide range of foods, including everyday staples like meat, eggs, and bread. Because selenium comes from the Earth, its content can slightly vary based on where a food source (or animal feed) is grown, and the quality of that soil.

Does selenium affect thyroid?

Selenium is involved with maintaining healthy thyroid function. Research shows, however, that too much can also negatively affect your thyroid. Unless advised by your doctor, get selenium from food-based sources instead of a supplement to avoid consuming too much.

What is the role of selenium in the body?

What is selenium? Your body relies on selenium, an important mineral, for many of its basic functions, from reproduction to fighting infection. The amount of selenium in different foods depends on the amount of selenium in the soil where the food was grown. Rain, evaporation, pesticides, and pH levels can all affect selenium levels in soil.

What are the factors that affect selenium levels?

Rain, evaporation, pesticides, and pH levels can all affect selenium levels in soil. That makes selenium deficiency more common in certain parts of the world, though it’s relatively rare in the United States. Regardless of where you live, certain factors can make it harder for your body to absorb selenium.

How much selenium is in a serving of pasta?

However, it provides about 42 mcg of selenium per 3 oz serving, or 60 percent of the recommended daily intake for adults. 4. Enriched foods. Some products, including pastas, whole wheat breads, and whole grain cereals, are enriched or fortified with selenium and other minerals.

How much selenium is in tuna?

Yellowfin tuna contains about 92 mcg of selenium per 3 ounces (oz), making it an excellent source of selenium. This is followed by sardines, oysters, clams, halibut, shrimp, salmon, and crab, which contain amounts between 40 and 65 mcg.

How much selenium is in brown rice?

Brown rice. One cup of cooked long-grain brown rice will provide you with 19 mcg of selenium, or 27 percent of the recommended daily amount. Enjoy this grain with your favorite 3 oz portion of chicken or turkey to get up to 50 mcg of selenium — almost the entire recommended daily amount for adults.

How much selenium is in cottage cheese?

One cup of cottage cheese provides about 20 mcg, or 30 percent of your daily recommended intake of selenium .

How much selenium is needed for a newborn?

20 mcg. Birth to 6 months. 15 mcg. Women who are pregnant or lactating need up to 60 mcg of selenium per day. Keep reading to learn which foods provide the most selenium. 1. Brazil nuts. Brazil nuts are one of the best sources of selenium. One ounce, or about six to eight nuts, contains about 544 mcg.

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What Is Selenium?

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Selenium is a trace mineral that’s found naturally in the soil and in certain foods. There are even small amounts in the water you drink. What is selenium good for in the body? Something that makes it valuable is its role in antioxidant activity. As a component of antioxidant enzymes, particularly glutathionereductase, it supports …
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Top 8 Selenium Benefits

  • What are the health benefits of taking selenium? Here’s more about the roles that this essential mineral has:
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Supplements and Dosage

  • Selenium is a trace mineral, meaning we only need a small amount of selenium from our diets each day. However, the body is able to flush it out of your system somewhat quickly since it plays an actionable role in many important body functions — therefore it’s important to consume it regularly. It’s particularly important maintain normal selenium levels as you age in order to take …
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Foods

  • Whole foods are the best sources of selenium, especially when these foods are handled and prepared in a delicate way — since this mineral may be destroyed during processing and very high-heat cooking. What food is highest in selenium? That would be Brazil nuts. Just one Brazil nut provides more than 100 percent of the recommended daily value of selenium (roughly 68 to 91 …
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Deficiency

  • Certain groups of people are more likely to be deficient in selenium due to factors like a poor diet and trouble with absorption. There are actually four naturally occurring types of this trace mineral. The four natural states of selenium are: 1. elemental selenium 2. selenide 3. selenite 4. selenate Two types, selenate and selenite, are found predominantly in water, whereas the other two type…
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Risks and Side Effects

  • Is it safe to take selenium every day? Taken at normal doses, it does not usually have negative side effects. What are possible side effects of taking selenium? An overdose of selenium (selenium toxicity) may possibly cause reactions like bad breath, fever, nausea and potentially liver complications — or even kidney and heart problems — although these only occur at very hig…
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1.7 Science-Based Health Benefits of Selenium

Url:https://www.healthline.com/nutrition/selenium-benefits

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