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The Benefits of Selenium for Thyroid Function

Jun 19, 2023 | Blog, Nutritional Deficiency, Thyroid Health

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The Benefits of Selenium for Thyroid Function

One supplement that has been gaining popularity in recent years is SELENIUM. Selenium is a trace mineral that plays a crucial role in thyroid function and has been linked to several benefits for thyroid health. The THYROID GLAND is a vital organ responsible for regulating metabolism and other essential bodily functions. However, the thyroid gland can become overactive or underactive, leading to a range of health problems. In this article, we will explore the BENEFITS OF SELENIUM FOR THYROID function and how it can improve overall health.


Understanding the Role of Selenium in Thyroid Function

The thyroid gland requires several essential nutrients, including iodine, zinc, and SELENIUM, to function correctly. Selenium is particularly important because it is necessary for the production of thyroid hormones. Thyroid hormones are responsible for regulating metabolism, heart rate, body temperature, and other vital functions. Without adequate selenium, the thyroid gland cannot produce enough thyroid hormones, leading to a range of health problems, including hypothyroidism.


The Benefits of Selenium for Thyroid Health


Improves Thyroid Function


Selenium plays a key role in the production and regulation of thyroid hormones. It is an essential component of an ENZYME called iodothyronine deiodinase, which converts the inactive thyroid hormone T4 into the active form T3. This conversion is important for maintaining a healthy metabolism and energy levels.


Lessons Risk for Thyroid Disease

Studies have shown that selenium deficiency is a risk factor for AUTOIMMUNE THYROID DISEASE, such as Hashimoto’s thyroiditis and Graves’ disease. Selenium supplementation can help reduce inflammation and oxidative stress in the thyroid gland, which may help prevent these conditions.


Selenium can improve thyroid function in people with thyroid disease


In addition to PREVENTING thyroid disease, selenium supplementation can also improve thyroid function in people who already have thyroid disease. A study published in the Journal of Clinical Endocrinology and Metabolism found that selenium supplementation improved thyroid function in patients with autoimmune thyroiditis, or HASHIMOTO’S.


Reduces Inflammation:

INFLAMMATION is a common problem in individuals with thyroid disorders. Selenium is a powerful antioxidant that can reduce inflammation and prevent damage to thyroid cells.


Boosts Immune Function:

The immune system plays a crucial role in maintaining thyroid health. Selenium is essential for proper immune function and can improve the body’s ability to fight off infections and diseases.


Protects Against Oxidative Stress:

Oxidative stress can damage thyroid cells and lead to thyroid disorders. Selenium is a POTENT ANTIOXIDANT that can protect against oxidative stress and prevent damage to thyroid cells.


Reduces Risk of Thyroid Cancer:

Several studies have shown that selenium can reduce the risk of thyroid cancer. Selenium can prevent DNA damage and reduce the growth of cancer cells in the thyroid gland.


Selenium can help reduce the side effects of thyroid hormone replacement therapy:


Thyroid HORMONE REPLACEMENT THERAPY is a common treatment for hypothyroidism. However, some patients experience side effects such as hair loss, weight gain, and fatigue. Selenium supplementation can help reduce these side effects and improve the effectiveness of thyroid hormone replacement therapy.


Selenium can protect against radiation exposure:

The thyroid gland is particularly vulnerable to RADIATION EXPOSURE, which can damage thyroid cells and increase the risk of thyroid cancer. Selenium has been shown to have a protective effect against radiation-induced thyroid damage.


Food Sources of Selenium

Selenium is a trace mineral found in several food sources, including Brazil nuts, tuna, beef, turkey, chicken, eggs, spinach and brown rice. It is essential to consume selenium-rich foods regularly to maintain proper thyroid function and overall health.


Incorporating selenium-rich foods into your diet is a simple and effective way to improve your thyroid health. Here are some dietary benefits of selenium-rich foods that you can add to your daily meals:


Brazil nuts

Brazil nuts are one of the richest sources of selenium, with just one nut providing over 100% of the recommended daily intake. They are also high in protein, healthy fats, and other nutrients, making them a great addition to your diet.



Seafood, particularly tuna, salmon, and sardines, are also good sources of selenium. Not only do they provide selenium, but they are also rich in omega-3 fatty acids, which have been shown to have numerous health benefits.


Whole grains

Whole grains such as brown rice, quinoa, and oatmeal are another good source of selenium. They are also high in fiber, which can help regulate digestion and improve heart health.


Meat and poultry

Meat and poultry, particularly beef and chicken, are good sources of selenium. They also provide protein and other important nutrients that your body needs to function properly.



Eggs are a convenient and versatile source of selenium. They are also high in protein and other important vitamins and minerals.


In addition to incorporating these selenium-rich foods into your diet, you may also want to consider taking a SELENIUM SUPPLEMENT. However, it is important to talk to your healthcare provider before starting any new supplements, as they can interact with other medications and may not be appropriate for everyone.


How Much Selenium Should You Consume?

The recommended daily intake of selenium for adults is between 55 – 200 mcg. However, individuals with thyroid disorders may require higher doses of selenium.


Can too much selenium be harmful to thyroid function?

Yes, excessive selenium intake can cause thyroid dysfunction and other health problems. It is important to consume selenium in moderation and avoid taking selenium supplements without consulting with a healthcare provider. While selenium TOXICITY IS RARE, it can occur if you take high doses of selenium supplements over a long period of time.


Symptoms of selenium toxicity include hair loss, nail brittleness, and gastrointestinal disturbances. Therefore, it’s important to stick to the recommended dosage of selenium from your health care provider and to get selenium from dietary sources rather than supplements whenever possible.


Is selenium deficiency common?

Selenium deficiency is rare in the United States and other developed countries. However, individuals with certain medical conditions or who consume a highly processed diet may be at risk of selenium deficiency.


Can selenium prevent other health problems?

Selenium is a potent antioxidant that can prevent oxidative stress and reduce inflammation. Studies have shown that selenium may have potential benefits for preventing several health problems, including heart disease, diabetes, and certain types of cancer.


How long does it take to see the benefits of selenium for thyroid function?

The amount of time it takes to see the benefits of selenium for thyroid function may vary depending on individual factors such as age, health status, and selenium intake. However, studies have shown that consuming selenium-rich foods regularly can improve thyroid function within a few weeks to several months.


Do Selenium supplements interact with other medications?

Yes, selenium supplements may interact with certain medications, including blood thinners, anti-inflammatory drugs, and chemotherapy drugs. It is important to consult with a healthcare provider before taking selenium supplements if you are taking any medications.


Is Selenium easily absorbed?

There are several factors that can affect your body’s ability to absorb selenium, such as age, genetics, and underlying health conditions. For example, people with celiac disease or CROHN’S DISEASE may have difficulty absorbing selenium from their diet, and older adults may have reduced absorption due to changes in digestive function.

To ensure optimal absorption of selenium, it’s important to eat a balanced diet that includes a variety of nutrient-dense foods. In addition to the selenium-rich foods mentioned earlier, you should also include plenty of fruits, vegetables, and healthy fats in your diet. These foods provide a range of vitamins, minerals, and antioxidants that can help support thyroid health and overall well-being.

Another important factor to consider is the quality of the food you are eating. ORGANIC, non-GMO, and locally sourced foods are generally higher in nutrients than conventionally grown foods. They are also free from harmful pesticides, herbicides, and other chemicals that can negatively impact your health.



Selenium is an essential nutrient for thyroid health and incorporating selenium-rich foods into your diet can have numerous benefits. It helps regulate thyroid hormones, can help prevent thyroid disease, improves thyroid function in people with thyroid disease, reduces the side effects of thyroid hormone replacement therapy, and protects against radiation exposure.


Finally, it’s important to remember that good health is about more than just taking supplements or eating a certain way. It’s about living a balanced, healthy lifestyle that supports your overall well-being. This includes getting enough sleep, managing stress, staying active, and maintaining strong relationships with loved ones.


In conclusion, selenium is a crucial nutrient for thyroid health, but it is just one piece of the puzzle. By incorporating selenium-rich foods into your diet, making lifestyle changes to support thyroid health, and working with a healthcare provider to address any underlying issues, you can optimize your thyroid health and improve your overall well-being.