Iodine: Nutrition Facts and Health Benefits

Iodine: Nutrition Facts and Health Benefits


Iodine is among essential substances that we need to maintain normal development.

In our body, the thyroid gland contains about 60 percent of iodine which is mainly responsible for this body part’s function.

In particular, iodine plays an important role in the synthesis of thyroid hormones. This is significant to the metabolism.

The lack of iodine might lead to a series of unwanted effects on human health. The consequences on the metabolic process are undeniable. Besides, it affects negatively our mental and physical conditions in various ways.

WHO claimed that if people lack iodine, mental retardation is a highly possible danger.

In general, there is no standard amount of iodine intake for everyone because it depends on many factors.

However, the recommendation is 100-200 mcg of iodine for an individual on a daily basis.

Nutrition Facts

As iodine nutrition becomes a great concern for most of us, it has been increasingly common to look for sources of iodine.

Normally, you can get a considerable amount of iodine from marine animals and plants.

Thus, there is a wide range of foods that you can choose to increase the intake of iodine. Tuna, salmon, oyster and shrimp are among the most popular options.

Furthermore, iodion is also present in other ingredients, such as spinach, soybean, garlic or sesame seeds.

Health Benefits of Iodine

In fact, iodine is an influential element that takes part in many processes in our body.

Here are only top 7 out of the best health benefits of iodine which you should pay attention to.

1. Metabolism

As mentioned above, one of the first and best health benefits of iodine is to guarantee the normal metabolic rate in our body.

Iodine actively participates in the release of thyroid hormones that regulate the metabolism (12).

Many processes and systems in human body depend on the metabolism. For example, it affects the ability to absorb nutrients from foods or transform them into usable energy.

Moreover, a number of hormones, such as triiodothyronine and thyroxin, may have great influence on our weight and cardiovascular health (345).

Bottom Line: The sufficient intake of iodine will improve the metabolic rate, which helps maintain your general health.

2. Reproductive Organs

The next among top health benefits of iodine is to foster the function of your reproductive organs.

If pregnant women consume enough iodine, there will be a lower risk of stillbirths and neurocognitive problems in infants (678).

A study wanted to examine psychological growth of newborns by comparing 133 women consuming iodine and 61 others who did not.

The result showed that iodine was even beneficial (9).

In addition, thanks to iodine, newborn’s ability to hear and speak may become better.

Some studies even claimed that the lack of iodine is a feasible cause of infertility in women.

However, many women are unaware of the fact that they will need more iodine than ordinary people.

As the babies get iodine through breastfeeding, women might suffer from a lack of iodine.

Therefore, it is a good idea for pregnant women to make some changes in the amount of iodine they consume. And the best way is to get suggestion from doctors.

Bottom Line: Not only does iodine protect newborns from many health problems later, but it also affects women’s ability to get conceived.

3. Anti Cancer

Iodine: Cancer Prevention

One of the long-term benefits of iodine is to prevent many types of cancer.

With anti-carcinogenic quality, iodine has positive effects on the prevention against the growth of breast cancer cells (1011).

Some studies stated that iodine might make cancer cells eliminated and soon replace them with healthy cells.

On the other hand, iodine is also a great contributor to the prevention against thyroid cancer (1213).

Some statistics pointed out that those with iodine deficiency were more likely to experience thyroid cancer.

Bottom Line: Iodine is a beneficial element that supports people in the long-term prevention against cancer.

4. Hypothyroidism

Hypothyroidism happens due to the overactive conditions of the thyroid gland.

Along with the decrease in the number of hormones released from thyroid, the metabolic rate will decline. This causes numerous problems, including fatigue, constipation or cramps (14).

Even though the lack of iodine is not the sole cause of hypothyroidism, the recommendation is still to guarantee its efficient intake.

One of possible iodine health benefits is to help you stay away from hypothyroidism and its annoying issues.

Once the metabolism functions well, weight loss becomes easier for hypothyroid patients.

5. Immunity

While iodine’s effects on the thyroid gland attract much attention, it is unreasonable to forget other health benefits of iodine, especially on our immunity.

In fact, iodine serves as an opponent of free radicals (15).

Therefore, iodine can be as effective as vitamin C in stimulating the influence of antioxidants to strengthen your immune system.

As a result, you will be safe from many diseases, from simple to complicated ones.

Additionally, some experiments on rats proved the effectiveness of iodine to hinder the bad impacts of free radicals on brain cells (1617).

Bottom Line: Thanks to its ability to fight against free radicals, iodine can be a great option to enhance your immune system.

6. Fibrocystic Disease

If you are concerned about fibrocystic disease, then you should know one thing: iodine can put an end to your suffering.

One of the best health benefits of iodine is to help get rid of fibrocystic diseases.

According to research, there is an association between iodine intake and a decline in the risk of fibrocystic diseases (18).

7. Hair

Iodine: Hair Condition

Last but not least, benefits of iodine on your hair are worth concerning.

Since the iodine shortage might trigger hair loss, it is a good idea to make sure that you take enough iodine on a daily basis.

Furthermore, iodine is necessary for the growth of hair and follicle strength.

Side Effects

Despite many health benefits of iodine, you had better not use it in the way you want.

There are some side effects that you may experience without the proper use of iodine.

Firstly, liquid iodine supplement is often bitter. As a result, you might undergo burning throat or swollen gums.

Secondly, the use of iodine for a long time might have negative influence on the stomach. Diarrhea and abdominal pain are common symptoms.

Disclaim: The effectiveness from using these foods on certain problems and diseases will be depended on the body condition of the applicant.

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Iodine: Nutrition Facts and Health Benefits
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