As one of the critical micronutrients in human nutrition, iodine plays a particularly vital role in metabolic regulation and hormonal balance throughout the body. Iodine is an essential mineral your body needs for a wide variety of functions. Iodine deficiency can lead to some serious health problems including thyroid disease.
You may be wondering what the benefits are, and the best food sources of iodine. Or how much should you take? This blog post will answer all your questions and more!
What is Iodine?
Iodine is a nutrient, not just a mineral. A nutrient is any substance required by living things to live and grow. Iodine helps prevent iodine-deficiency-related diseases such as goiter, cretinism, and disorders of the central nervous system.
It helps with the metabolism of fats, carbohydrates, and protein. This mineral may also have important roles in promoting healthy skin and nails, improved energy levels, and the health of our hair, skin, nails, and eyes.
It is known as the “master glandular element” by many experts. The thyroid gland requires it to produce hormones. When there isn’t enough of it in the body, a condition called hyperthyroidism may occur.
8 symptoms of this mineral deficiency:
This mineral deficiency is a widespread problem, and it can lead to a host of health problems. Here are the 8 most common symptoms of this mineral deficiency:
1. Dandruff – The hair follicles are the site of this mineral synthesis. If the body does not have enough of it, then dandruff can occur because of a lack of growth of new cells in the scalp.
2. Hair loss – Hair loss is also associated with low levels of this mineral in the body. A lack of this mineral can cause hair follicles to shrink and eventually stop producing new hair strands.
3. Goiter – Goiter, which is an enlarged thyroid gland, is another symptom of iodine deficiency in people who consume little or no seafood or seaweed (which are rich sources of this mineral). If a person has a goiter, it may be difficult for them to swallow food or drink liquids without choking due to the size of the thyroid gland pressing against their trachea (windpipe).
4. Itching and burning in the throat, which can be mistaken for acid reflux or a sore throat.
5. You have symptoms of an underactive thyroid, including fatigue and weight gain.
6. Peripheral neuropathy, numbness of hands and feet, tingling in fingers and toes, muscle weakness, or paralysis.
7. Elevated blood cholesterol levels and risk of heart attack and stroke.
8. Depression, mood swings, or personality changes.
The best 9 benefits:
Here are some of the benefits of this mineral:
1. It is essential to produce thyroid hormones, which regulate metabolism and regulate your body’s energy levels.
2. Without enough of this mineral in your body, you can develop goiter, a condition where your thyroid gland grows abnormally large.
3. It also helps prevent hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid).
4. It is essential for healthy brain development during pregnancy and infancy.
5. It helps prevent cognitive dysfunction in adults over age 40 by regulating the amount of cholesterol in the body and preventing atherosclerosis (hardening of the arteries).
6. It is an essential part of a healthy diet because it helps fight allergies and asthma symptoms by reducing histamine production in allergic reactions.
7. It also helps prevent tooth decay by strengthening teeth and increasing saliva flow that protects against tooth decay caused by bacteria-producing plaque on your teeth surfaces.
8. Promotes energy production in the body, especially during exercise and athletic performance.
9. Helps to maintain a healthy immune system, which may reduce your risk of infection and illness from colds and other viruses
The best food sources
If you’re looking for the best food sources of this mineral, look no further than these foods.
- Seaweed like Kelp, nori, wakame, and hijiki seaweed. Sea vegetables are the best source of iodine in the world, with a whopping 1,000 micrograms per serving!
- Yogurt: yogurt is another great source of this mineral, with about 150 milligrams per cup.
- Eggs: eggs offer about 100 milligrams per large egg, which is more than half your daily value!
- Codfish: codfish offers about 90 milligrams per medium fillet—that’s almost a third of your daily value!
- Cottage cheese: cottage cheese offers about 80 milligrams per cup—about a quarter of your daily value!
- Milk: milk offers about 70 milligrams per cup—about one-fifth of your daily value!
- Ice cream: ice cream offers about 60 milligrams per serving—about one-tenth of your daily value!
- Fish such as salmon, cod, tuna, and shellfish like shrimp.
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Daily dosage
The Adequate Intake Levels are:
For adults 19 years or older – is 150 micrograms/day.
For children: 90 mcg/ day.
For pregnant women – it’s 220 mcg/day.
For breastfeeding women – it’s 290 mcg/day.
Iodine supplements – Who should take them?
If you have any of the following risk factors, you may need to take an iodine supplement:
- You’re pregnant or breastfeeding.
- You have a family history of thyroid disease.
- You have a goiter or nodule on your thyroid gland (a large bulge or lump)
- You’re taking medicines used to treat hyperthyroidism (overactive thyroid).
6 Side Effects
Let’s see some of the side effects:
- It may cause hyperthyroidism in people who are allergic to iodine or have too much thyroid hormone.
- One study showed that iodine deficiency may cause cancer of the breast, ovaries, uterus, testes, or prostate gland (in humans).
- It may cause miscarriage when taken by pregnant women.
- It may increase the risk of bladder cancer in people who are exposed to large amounts over many years (e.g., from drinking water contaminated with radioactive iodine).
- It can increase the risk of heart disease in people with high blood pressure and hypothyroidism (an underactive thyroid gland).
- It can cause skin reactions when applied to the skin for long periods (e.g., iodophors used as antiseptics on wounds).
Conclusion:
Iodine’s uses and benefits reach far beyond even the health of your thyroid. Whether you’re looking for a medical treatment to address hypothyroidism or aiming to increase your chances of getting enough iodine into your diet, these are just some of the many positive effects that iodine can have on your overall health.
There’s a good chance you’re not getting enough of it in your diet. But once you learn how important it is, you can start including iodine-rich foods into a daily diet, improving both the health of your thyroid and your health as a whole.
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