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Why Iodine Is Important For Thyroid Gland

What Are The Signs Of Low Iodine

How Important is Iodine to Your Thyroid Gland?

If deficient in iodine, goiter is the first noticeable sign.4 A sufficient amount of thyroid hormones may be compromised with an iodine deficiency and may be evidenced by specific biomarkers.3 Pregnant women with severe iodine deficiency may see stunted growth, mental retardation, and/or delayed sexual development in their babies after birth. While there is research supporting these concerns, it is important to consult with your healthcare provider before taking any supplementation at any stage of life as there are warnings associated with consumption.

Signs And Symptoms Of Iodine Deficiency

Iodine is an essential mineral commonly found in seafood.

Your thyroid gland uses it to make thyroid hormones, which help control growth, repair damaged cells and support a healthy metabolism (

  • Pregnant women.
  • People who live in countries where there is very little iodine in the soil. This includes South Asia, Southeast Asia, New Zealand and European countries.
  • People who dont use iodized salt.
  • People who follow a vegetarian or vegan diet.

On the other hand, iodine deficiencies are rare in the US, where there are sufficient levels of the mineral in the food supply .

An iodine deficiency can cause uncomfortable and even severe symptoms. They include swelling in the neck, pregnancy-related issues, weight gain and learning difficulties.

Its symptoms are very similar to those of hypothyroidism, or low thyroid hormones. Since iodine is used to make thyroid hormones, an iodine deficiency means your body cant make enough of them, leading to hypothyroidism.

Here are 10 signs and symptoms of an iodine deficiency.

How To Treat Low Iodine

You could simply incorporate iodized salt into your diet, or, if you’re already using it, increase the amount you use. However, that’s a pretty nonchalant way to go about it.

Luckily, iodine supplements are pretty inexpensive. However, dosages per pill vary widely between manufacturers. Some companies supply the mineral in tiny, RDA-sized dosages of 150 micrograms, whereas others supply it in milligram-sized capsules.

Unfortunately, it’s difficult to say how much you’d need to remedy a deficiency. Simply taking the RDA would be like refilling a bucket with water by adding one drop a day.

However, naturopath Chris Kresser, a thyroid expert, recommends treating suspected iodine deficiencies by starting with a small dose one 325 mcg. kelp tablet a day and increasing the dose by one tablet every three weeks, up to 3 tablets a day, unless HYPER-thyroid symptoms occur .

This protocol, he stresses, should also be accompanied by 200 mcg. of selenium a day, as selenium is required for the manufacture of the deiodinase enzymes that convert T4 to T3. .

For those of us who don’t yet have a deficiency, it might be enough to just go back to filling the saltshaker with iodized salt.

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What Causes Thyroid Disease

There are various different factors causing hyper- and hypothyroidism.

The following conditions cause hypothyroidism:

Thyroiditis is an inflammation of the thyroid gland. This can lower the number of hormones produced.

A special form of thyroiditis is Hashimoto’s thyroiditis. This is a genetic disorder caused by diseases of the immune system and can be passed from one generation to the other. In addition, thyroiditis can occur in women after giving birth also referred to as postpartum thyroiditis. It is usually a temporary condition and occurs only in 5-9% of woman giving birth.

Nutrition also impacts your thyroid functions. Iodine deficiency can cause hypothyroidism. This is a worldwide problem affecting approximately 100 million people. As mentioned earlier, iodine is used by the thyroid gland to produce hormones.

The following conditions cause hyperthyroidism:

Graves’ disease is a condition where the entire thyroid gland might be overactive and produce too much hormone. Your thyroid gland might be enlarged. This problem is also called diffuse toxic goitre.

Thyroiditis can also cause the opposite and trigger the release of hormones that were stored in the thyroid gland. This uncontrolled release of thyroid hormones causes hyperthyroidism for a few weeks or months. It may occur in women after childbirth.

The Importance Of Thyroid Function

Do You Know The Importance Of Iodine And Your Thyroid ...

Your thyroid is a small, butterfly-shaped gland located at the base of the neck, just below the Adams apple. It is a crucial component to the function of many systems and organs, including the heart, brain, liver, kidneys and skin. With January being Thyroid Awareness Month, its important to understand how your thyroid gland functions and to be aware of the warning signs of a problem.

Thyroid gland function

The thyroid gland is part of the endocrine system, which is made up of glands that produce, store and release hormones into the bloodstream so the hormones can reach the bodys cells. Your thyroid gland uses iodine from the foods you eat to make two main hormones: triiodothyronine and thyroxine . It is important that the levels of these hormones are never too high or too low. The hypothalamus and the pituitary glands in the brain work together to maintain these levels.

The functionality of the thyroid gland will affect your bodys overall wellness. Your thyroid gland is responsible for manufacturing enough thyroid hormone to trigger your cells to perform and function at a certain rate. The thyroid hormones regulate vital functions like:

  • Breathing
  • Metabolism

Thyroid problems

When the T3 and T4 hormone levels become too high or too low, your body will develop hyperthyroidism or hypothyroidism. Hyperthyroidism occurs when there is too much T3 and T4 in your system. Symptoms of hyperthyroidism include:

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Heavy Or Irregular Periods

Heavy and irregular menstrual bleeding may occur as a result of an iodine deficiency .

Like most symptoms of iodine deficiency, this is also related to low levels of thyroid hormones, given that iodine is needed to make thyroid hormones.

In one study, 68% of women with low thyroid hormone levels experienced irregular menstrual cycles, compared to only 12% of healthy women .

Research also shows that women with low thyroid hormone levels experience more frequent menstrual cycles with heavy bleeding. This is because low thyroid hormone levels disrupt the signals of hormones that are involved in the menstrual cycle .

Summary

Some women with an iodine deficiency may experience heavy or irregular periods. This is because low thyroid hormone levels may interfere with hormones that are involved in regulating the menstrual cycle.

Importance Of Iodine During Pregnancy And Breastfeeding

Women require higher levels of thyroid hormone during pregnancy, which means — you guessed it — they require more iodine during pregnancy too. They also require more iodine while breastfeeding.

Most prenatal vitamins contain enough iodine to meet the daily requirements for pregnancy. If you are concerned that you may not be getting enough iodine during pregnancy or lactation, try incorporating high-iodine foods into your diet regularly.

There are risks associated with being deficient in iodine while pregnant or lactating. According to the National Institutes of Health Office of Dietary Supplements:

âIn pregnant women, severe iodine deficiency can permanently harm the fetus by causing stunted growth, intellectual disability, and delayed sexual development. Less severe iodine deficiency can cause lower-than-average IQ in infants and children and decrease adultsâ ability to work and think clearly.â

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From Its Discovery In 1811 Up To 2020 I Believe Iodine Is A Seriously Underrated Supplement

Some of you may remember it as one of the elements on the Element table, which we learned in Chemistry class. But you may not know that this is a critically important nutrient for our body.

Iodine is present in seawater, but sparingly, as the iodide ion. It is a mineral used by the thyroid gland to make and regulate thyroid hormones that control many functions in the body, including your physical growth and development. It isnt naturally produced in your body, so you need to ingest it through food or supplements. Iodine helps synthesize T3 and T4, two important thyroid hormones that play a vital role in your early growth and development, specifically your organs and brain.

Not having enough Iodine is known as Iodine Deficiency Disorder . This iodine deficiency can cause uncomfortable and even severe symptoms that include swelling in the neck, pregnancy-related issues, weight gain, and learning difficulties. Most people affected live in developing countries like Africa, Asia, and Latin America, but many countries in Europe are also vulnerable. This is due to depleted soil conditions and poor diet. These deficiencies have significantly improved due to the addition of iodine in table salt starting in the 1920s. Iodized table salt is not the best solution, but read on to learn more and find out what else you can supplement to get your daily dose!

How Do You Diagnose Iodine Deficiency

Why Is The Thyroid Gland So Important?

Iodine deficiency is diagnosed across populations and not specifically in individuals. Since iodine is released from the body through the urine, the best way to determine iodine deficiency across a large population is to measure the amounts of iodine in urine samples. Iodine deficiency is defined as a median urinary iodine concentration less than 100g/L in a nonpregnant population, or < 150 g/L in a population of pregnant women.

In the United States, iodine status has remained generally adequate in since the 1940s although studies have shown that urinary iodine levels dropped by about half between the early 1970s and the early 1990s, and most recently mild iodine deficiency has re-emerged in pregnant women. Iodine deficiency remains a major issue in other parts of the world, including parts of Europe, Africa and Asia.

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Metabolism Of Iodine In The Thyroid

Iodine enters the body in the form of iodate or iodide in the water we drink or food we eat the iodate is converted to iodide in the stomach. The thyroid gland traps and concentrates iodide and uses it in the synthesis and storage of thyroid hormones . The minimum daily iodine intake needed to maintain normal thyroid function in adults is about 150g/dl. Iodide is rapidly absorbed from the gastrointestinal tract and distributed to extracellular fluids. But the concentration of iodide in the extracellular fluid is usually low because of the rapid uptake by the thyroid gland and renal clearance. It is estimated that 75% of the iodide taken into the body each day enters the thyroid by active transport. About two-thirds of that is used in hormone synthesis, with the remaining amount released back into the extra cellular fluid. The thyroid gland contains the bodys largest pool of iodide, about 8 to 10 mg. Most of this iodide is associated with thyroglobulin, a thyroid hormone precursor and a source of hormone and iodinated tyrosines.

The thyroid produces thyroxine and triiodothyronine . Iodine is an essential component of both T3 and T4. These hormones regulate the rate of metabolism and affect physical and mental growth and the rate of function of many other systems in the body. The thyroid is controlled by the hypothalamus and the pituitary gland.

How To Test Iodine Deficiency

There are certainly lab tests that can be done to assess iodine status and deficiency, but let’s not forget good old physical examination signs and symptoms.

One of the first signs of iodine deficiency is decreased sweating as the body tries to decrease iodine clearance. And once that happens, clear signs of iodine deficiency emerge.

Some of the most common signs and symptoms mirror that of hypothyroidism such as :

  • Brittle fingernails

In my patients, I use a combination of three tests:

  • 24-hour urine iodine: to assess recent iodine intake
  • Serum thyroglobulin: high thyroglobulin indicates low iodine status, and levels above 40 mcg/L are suggestive of deficiency
  • Hair iodine: to assess long-term iodine intake

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Iodine Is Thus Important For Us To Function At Our Best On Adaily Basis

However, its importance gets amplified for women who are pregnant or are currently breastfeeding. This is because children primarily receive their nutrition from their mothers at this time.

If the mother cannot provide adequate nutrition to their children during this period, it results in a deficiency in the offspring for the rest of their lives.

Less iodine in children during infancy results in the following:

Where Do You Find Iodine

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Iodine is naturally found in soil, seawater, and food. Specific foods such as fish, shellfish, seaweed, grains, fruits, vegetables, and dairy products contain iodine. Most notable, iodine is added to table salt and is indicated in the ingredient list as iodized. Most processed foods will contain iodized salt. However, the mineral amounts are not actually disclosed on a Nutrition Facts label.

More often than not, Americans do not need to actively seek additional iodine consumption as they typically consume the appropriate iodine levels by eating a variety of foods on a daily basis.2 For reference, one teaspoon of iodized salt contains 250 micrograms of iodine, surpassing the daily recommended intake. It is best to consult with a registered dietician or nutritionist if there are concerns about specific foods and their iodine amounts.

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When You Have An Overactive Or Underactive Thyroid

Your thyroid can be deregulated in one of two ways: an increased or decreased production of hormones, which both often lead to diagnosable conditions. In either of these cases, theres the possibility that thyroid activity can be within the range of normal, and therefore more difficult to diagnose, but still cause problems. In this section, well break it all down for you.

Who Is At Risk For Iodine Deficiency While Breastfeeding

  • Women who do not regularly consume dairy products or seafood.
  • Women who smoke cigarettes.
  • Women who do not use iodized salt.
  • Women who eat foods containing goitrogens, which are substances that can affect how wellthe thyroid gland makes thyroid hormones. These foods include brussel sprouts, kale, cabbage, cauliflower, radishes, and broccoli.

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Continue Learning About Thyroid

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

When The Body Is Saturated With Iodine You Can Prevent Metastasis And Prevent Tumor Growth

How Iodine Helps Your Thyroid And Weight Loss

Hefurthered, If cancer doesnt grow or spread, it is no more dangerous than apimple. If your body is saturated with iodine, you can prevent metastasis andprevent tumor growth.

Dr.Lodi noted, however, that, despite its powerful antioxidant properties, iodineis totally overlooked by many healthcare professionals. As an example, hecites Hashimotos disease.

Hashimotos disease is an autoimmune condition that can cause hypothyroidism or an underactive thyroid. When this happens, the persons immune system cells attack the thyroid gland instead of defending the body against bacteria and viruses. In effect, the thyroid glands ability to make hormoneswhich are crucial to metabolic processesis affected.

Signs and symptoms may include a constant feeling of fatigue, unexplained weight gain, dry hair and skin, constipation, fluid retention, stiff joints, changes in cognitive ability and a goiter. Women are more likely to get Hashimotos disease. The risk is also higher if there is a history of autoimmune diseases in the family or if there is constant exposure to excessive levels of radiation.

Dr.Lodi stressed the value of iodine in helping manage Hashimotos disease andcancer, among other chronic diseases. We need iodine to be healthy. Withoutit, we are dead, he said.

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Iodines Got Nothing But Bad Luck

Despite its importance, dietary intake of iodine has decreased by about 50% from 1971 to 2001. Why did that happen?

For one thing, most of the worlds iodine is found in the ocean from seaweeds such as kelp, nori, and kombu, along with saltwater fish and fish heads. Too bad consumption of any of these is relatively rare, at least in the U.S.

Dairy products contain iodine, too, but dont get excited. Most of it is from iodophor, a cleanser used to sanitize milk tanks. Eggs contain some, but youd have to eat a coop-full on a regular basis to get enough.

One of the other main sources of dietary iodine used to be wheat flour, as iodine was used in its processing. However, much of wheat is now processed with bromide, a chemical cousin of iodine.

However, bromide doesnt function like iodine in the thyroid. Whats more, it blocks iodines activity.

Other chemicals block iodine, too, among them chlorine and fluoride, found in drinking water. Another chemical, perchlorate, which is found in groundwater and food supplies , also interferes with iodine absorption.

Then theres the lack of consistency in the iodized table salt industry itself. A 2008 study found that of 88 samples of iodized table salt, less than half contained enough to thwart off iodine deficiencies.

People took heed of their warnings and saltshakers and their iodine stayed in cupboards and gradually turned into crystallized blocks that could have been mistaken for Lots wife.

What Are Some Good Food Sources That Can Naturally Boost My Iodine Intake

In order from most to least iodine: seaweed, cod, plain yogurt, shrimp, egg, tuna, and dried prunes. Seaweed is the CHAMP of iodine, with some varieties containing nearly 2,000% of the daily value in one gram! Some seaweed varieties include Kombu Kelp, Wakame, and Nori. These can be eaten in soup, wrapped around sushi, or straight out of the package in sheet form. This low-calorie, high-antioxidant food is available worldwide, but harder to find in some regions.

Notice how some great sources of iodine are found in animal products this is why researchers say that it is common to be iodine-deficient if you are vegan or vegetarian. Make sure you are supplementing with the vegetable-based food or supplementing with a healthy iodine supplement. When looking for a supplement, you want to find a Potassium Iodide, as this is the easiest source to convert into energy. Our NutraChamps Iodine Drops are a great option. We were ranked as one of the best iodine supplements on Health Cares, a great resource for health blogs and supplement rankings! This bottle will last you a long time, since you only need 2 drops a day in your water, or taken sublingually. My personal recommendation is to always get your vitamins and minerals from natural food sources, and if that is not possible, then try a supplement.

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