9 Foods to Avoid If You Suffer from Hypothyroidism

Hypothyroidism is a condition in which the thyroid gland does not produce enough hormones to properly regulate metabolism. This dysfunction can lead to symptoms such as fatigue, weight gain, depression, dry skin, sensitivity to cold, and concentration problems.

Although medical treatment is essential, diet also plays a key role in the management of hypothyroidism. Some foods can interfere with thyroid function or medication absorption, so it’s critical to know what to avoid and what to include in your diet. Always consult with a trusted doctor!

9 Foods to Avoid if You Have Hypothyroidism

1. Soy and derivatives

Soy contains compounds called isoflavones that can interfere with the production of thyroid hormones. They can also make it harder to absorb levothyroxine (a common medication to treat hypothyroidism). Avoid tofu, soy milk, textured protein, and other by-products.

2. Raw kale, broccoli, and cauliflower

These cruciferous vegetables contain goitrogens, substances that interfere with iodine uptake by the thyroid. Cooking them significantly reduces this effect, but if consumed raw in large quantities they can be problematic.

3. Gluten
Gluten can cause inflammation in people with celiac sensitivity or disease, a condition that is most often associated in those with autoimmune disorders such as Hashimoto’s hypothyroidism. Considering a gluten-free diet may improve symptoms.

4. Ultra-processed
foods Snacks, cookies, frozen meals and products high in preservatives, trans fats or refined sugars can slow down metabolism and promote weight gain, a common problem in people with hypothyroidism.

5. Refined sugar and sweets
Hypothyroidism can decrease the body’s ability to metabolize sugars, promoting insulin resistance. Reducing sugar intake helps control weight and energy.

6. Fried foods
Fried foods can interfere with the absorption of thyroid medication and also with the activity of the gland. It is recommended to avoid them or consume them in moderation.

7. Caffeinated beverages
Coffee, especially if consumed along with thyroid medication, can affect the absorption of the medication. It is suggested to wait at least 30-60 minutes after taking the medication before drinking coffee.

8. Alcohol
Alcohol can negatively affect both the thyroid and the liver, the organ responsible for metabolizing hormones. Excessive consumption can aggravate hypothyroidism.

9. Pickles and foods with excess sodium
People with hypothyroidism may be at increased risk for high blood pressure. Excess salt, especially in canned goods and sausages, can worsen this condition.

What foods should you eat if you have hypothyroidism?

• Fish rich in omega 3 (such as salmon, sardines and mackerel): help fight inflammation.
• Assorted fruits and vegetables (except raw cruciferous in excess): provide fiber, antioxidants, and essential vitamins.
• Eggs: Good source of iodine and selenium, two key minerals for the thyroid.
• Brazil nuts: an excellent natural source of selenium.
• Fat-free dairy products: contain iodine and vitamin D.
• Whole grains (in people who tolerate gluten): help with intestinal transit, which can be affected by hypothyroidism.
• Enough water: important to combat fluid retention and fatigue.

Additional Tips

• Take the medication on an empty stomach and wait at least 30 minutes before eating breakfast.
• Avoid taking iron or calcium supplements at the same time as thyroid medication: they can interfere with its absorption.
• Always consult an endocrinologist or nutritionist before making major changes to your diet.
• Maintain regular thyroid function checks to adjust treatment if necessary.

Taking care of your diet is a powerful tool to improve the quality of life in those who suffer from hypothyroidism. Making the right food choices can make a big difference.

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