What foods should you avoid to improve your thyroid?

When you find out you have a thyroid, the first thing that comes to mind is how to treat it, you can take medicine, but it is always better to try natural ways to treat or reduce it.

Thyroid hormones (T3, T4, and TSH) are essential for the body to function. They affect the body’s metabolism and the body’s ability to absorb nutrients and proteins adequately.

An overactive thyroid is a disease caused by an excess of thyroid hormone in the body. Hypothyroidism is a disease caused by low thyroid hormone levels in the body, which reduces the body’s function.

One of the leading causes of hypothyroidism is low diet, iodine deficiency, and protein deficiency. You should know that certain nutrients affect the function of the thyroid gland.

Likewise, some foods can block the body from absorbing hormone therapy, which is often prescribed as part of thyroid therapy. In this article, we will discuss the foods that people with this disease should avoid.

Should not be in thyroid nutrition

Foods and nutrition that sufferers should avoid:


Goiter is a compound that disrupts the normal function of the thyroid gland. Many goiter foods include vegetables, soy, fruits, nuts, and seeds mentioned in this text.

However, foods that contain inactive goiter are useful in patients who are generally iodine deficient.

What foods should you avoid to improve your thyroid?


Gluten is a protein found in carbohydrate-rich foods such as wheat, barley, and millet. It is very harmful to people with this disease.

the vegetables:

Even if vegetables such as cabbage, cauliflower (if not cooked well), and broccoli are high in fiber and nutrients, they may interfere with thyroid hormone production, especially if you are iodine deficient.

You may want to use broccoli, cabbage, radishes, leeks, canola, arugula, mustard, horseradish, collar, buckwheat, but these vegetables can interfere with the thyroid gland’s ability to absorb and use iodine. These are foods that should be avoided.

Fried foods:

Fried foods are not recommended as part of your diet, whether you have hypothyroidism or hyperthyroidism. Still, it would help if you were extra careful when using these types of foods because it impairs the body’s ability to absorb drugs for thyroid hormones.  It also impairs the thyroid gland’s ability to produce hormones.

Avoid fatty or fried foods, especially foods that include butter, margarine, sliced ​​meat, and mayonnaise.

What foods should you avoid to improve your thyroid?


Because this disorder leads to slow metabolism, it exposes the body to overweight, so avoiding high-sugar foods is necessary.

Sugars can worsen metabolism and lead to other health conditions. Avoid high-calorie foods such as refined sugar, chocolate, desserts, and cakes.

The dietary formula for people with thyroid disease

Harmful foods:

Harmful foods or processed foods are high in sodium, which people with hypothyroidism and hyperthyroidism should avoid in all cases. High sodium intake causes high blood pressure and increased heart disease.

Eating unhealthy foods regularly can then lead to an inability to produce hormones or even absorb nutrients. Ready-to-eat foods, fried foods, fries, pizza, burgers are high-sodium foods that should be avoided.

Non-alcoholic beverages:

Soft drinks or carbonated beverages contain large amounts of sugar that affect metabolism. They are no different from sugar and do not break down easily and tire the body quickly, which leads to low metabolism.

As it turned out, people with hypothyroidism have a slow metabolism, so they should avoid any food or drink that contains substances that are difficult to break down.


Cigarettes directly affect the glands. The absorption of tobacco and nicotine that passes through the neck affects the glands and prevents hormone production, leading to increased sputum in the throat.

What foods should you avoid to improve your thyroid?


Caffeine prevents the absorption of thyroid hormone drugs. You should avoid caffeinated substances such as coffee, special teas, and caffeinated beverages. Medications should not be taken with caffeine, such as a cup of coffee or tea. Avoid excessive consumption of tea and coffee.

One or two cups of tea a day will not hurt you, but it should not be too much.


Peaches have a high goiter, which is harmful to thyroid patients. This fruit interferes with the absorption of iodine from your diet and limits the use of iodine.


Pears have a very high goiter, which is harmful to patients.


Processed bread and flour are high in gluten and cause unhealthy weight gain in the abdomen.

Liquid oil and sauce:

Vegetable oil, soybean oil, canola oil, sunflower oil, peanut oil, safflower oil, corn oil

saturated fats:

Avoiding unsaturated fats is very important in restoring thyroid function. You can do this by replacing oils.

Harmful substances and nutrition for people with hypothyroidism


Soy-rich foods are said to be flavonoids and have adverse effects on the thyroid. High levels of soy can increase the risk of hypothyroidism. Some researchers say that some components of soy in the body interfere with the absorption of thyroid drugs.

They can also reduce the activity of the thyroid peroxidase enzyme. However, some experts believe that hypothyroidism and iodine deficiency are more prone to side effects, so they should be more aware of their absorption.

What foods should you avoid to improve your thyroid?


It is present in toothpaste and drinking water in tap water. Fluoride essentially blocks the iodine receptor in the thyroid gland, which reduces hormone production.


This water in swimming pools and large quantities in drinking water that comes directly from milk, such as fluoride, also blocks the chlorine of iodine receptors in the thyroid gland and reduces the iodine hormone production. So drink plenty of distilled or purified water.


Garlic may be great for treating many ailments, but it reduces the body’s ability to absorb iodine.

Harmful substances for people with an overactive thyroid


Suppose you suffer from increased secretion of thyroid hormones. In that case, you should avoid foods that contain iodine because it is a substance that increases the activity of this gland, thus making your condition worse.

dairy products:

In some people, an overactive thyroid causes lactose intolerance, and in these cases, avoid dairy products. If you feel itchy or bloated after consuming dairy products, you should avoid those foods.

What foods should you avoid to improve your thyroid?

Spicy foods:

However, spicy foods are said to have sound effects on the body’s metabolism. However, people with an overactive thyroid have a high metabolic rate, and spicy foods can lead to weight loss.

People with an overactive thyroid should reduce or avoid processed foods. Look for organic options instead of spicy, processed foods.

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