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Foods to Avoid if Diagnosed with Hypothyroidism and Hyperthyroidism - MyHealth

Food And Nutrition

Foods to Avoid if Diagnosed with Hypothyroidism and Hyperthyroidism

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Medically Reviewed By
Dr. Ragiinii Sharma

Written By Dr Divya Rohra
on Feb 14, 2022

Last Edit Made By Dr Divya Rohra
on Apr 12, 2024

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Foods to Avoid if Diagnosed with Hypothyroidism and Hyperthyroidism
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Foods to avoid if diagnosed with hypothyroidism:

Soy-containing foods: 

According to studies, soy-rich foods can alter and affect the body's ability to absorb thyroid medication properly. Goitrogens have also been discovered in soy-based food products, which can cause thyroid gland irritation. Goitrogens are a type of compound that causes the thyroid gland to swell (goitre). Consumption of goitrogens can aggravate hypothyroidism. To manage hypothyroidism, people should actively reduce their consumption of soy-based foods. The following foods should be avoided:

  • Soya chunks
  • Tofu
  • Soy milk

Cruciferous vegetables: 

While some vegetables are good for health, certain cruciferous vegetables are high in goitrogens. Avoid eating broccoli, spinach, cabbage and cauliflower if you are diagnosed with thyroid problems 

Fried or fatty foods

Excessively fried food contains fat that can interfere with the body's ability to absorb thyroid hormone replacement medication. Fats can also impair the thyroid's ability to produce the hormone thyroxine. Furthermore, fatty foods that are high in calories can be challenging to digest for people who have a slow metabolism. In hypothyroidism, this can lead to excessive weight gain. Excessively fatty foods, such as butter, mayonnaise, margarine, and other fried foods, should be avoided.

Foods high in fibre

Fibrous foods such as beans, legumes, and vegetables, can cause excessive complications in hypothyroid patients. A high-fibre diet, such as green legumes and whole grains, can interfere with normal digestive system functions and the body's ability to absorb hypothyroidism medication. As a result, foods like whole green bean legumes should be avoided or reduced.

Inflammatory food to avoid hypothyroidism 

Several foods are considered inflammatory in Hyperthyroidism. Excessive consumption of these foods can result in thyroid gland inflammation and worsen the condition. 

These include:

  • Some fruits, such as strawberry, peaches, 
  • Starchy food, such as sweet potato and cassava
  • Foods high in sugar or have a high glycemic index: can lead to spiked blood sugar levels and inflammation. 

Nuts to be avoided with hypothyroidism

People who have hypothyroidism should avoid eating a lot of nuts like millets, peanuts, or pine nuts.

Along with these, some more foods to avoid include: 

  • Coffee
  • Canned/packaged food
  • Food that is highly processed
  • Alcohol
  • Green tea
  • Supplements for health

Food to avoid with Hypothyroidism: Summary

Soy rich foodsTofu, soya chunks, soy milk
Cruciferous vegetablesCabbage, spinach, cauliflower
NutsPine nuts, pearl millets, peanuts
Caffeine rich productsCoffee, black coffee, green tea
Fried/fatty foodsButter, red meat, fried food
SupplementsVitamin or herbal

Dealing with hypothyroidism can be difficult, but the symptoms can be managed with smart eating and a proper diet. 

Foods to avoid of diagnosed with Hyperthyroidism:



Hyperthyroidism is a condition where the body produces too much thyroid hormone. Diet plays a crucial role in producing and using thyroid hormones in the body.

So what are some of the foods that need to be avoided if I have Hyperthyroidism?

Food that contains excess Iodine

Iodine is a central component of the thyroid hormone. Consuming excessive thyroid with your food can cause increased production of thyroid hormone and worsen your condition. Avoid eating:

  • Excessive ionised salt.
  • Kelp
  • External iodine supplements
  • Fish and seaweed
  • Egg yolk since it contains excessive Iodine.

Soy-rich foods

Soy-rich foods are typically detrimental to the overactive thyroid gland. Soy milk, soy sauce, soybean oil, tofu, and edamame are all examples.

Caffeine

Caffeine consumption might increase hyperthyroidism symptoms. Caffeine can cause an increase in heart rate and palpitations. Caffeine might exacerbate anxiety and insomnia symptoms. When diagnosed with Hyperthyroidism, try to avoid coffee, sugar drinks and other caffeinated stimulants. Refrain or reduce the consumption of chocolate, energy drinks, soda, black tea, and coffee.

 

Foods with added sugar 

Too much sugar is bad for the body as it causes a sudden spike in blood sugar levels. An elevated blood sugar level can produce palpitations and an increase in heart rate. Soft drinks, pancake syrup, jelly, and cakes are packaged foods. This product contains added sugars such as dextrose, fructose, and corn syrup. Foods with added sugar are often empty calories that aggravate hyperthyroidism symptoms.

Gluten

A gluten-rich diet is hypoglycemic, disrupting normal blood sugar levels. Food products such as pasta, rice, and bread include gluten, which is difficult to digest and activate hyperthyroidism symptoms. Gluten can also trigger thyroid inflammatory responses.

Avoid dairy and whole milk 

Dairy products are often high in Iodine, which is harmful to those with Hyperthyroidism. Avoid consuming excessive milk, cheese, egg yolks, and other dairy products. 

Alcohol 

consumption can be harmful to the thyroid glands and impairs the body's general capacity to use and absorb thyroid hormones.

Food to avoid with Hyperthyroidism: summary

Iodine rich FoodsEgg yolk, iodinated salts, seaweed, fish, kelp
Soy-based foodsMiso, soy milk, beans, tofu, edamame
CaffeineCoffee, tea, chocolate, energy drinks, soft drinks, black coffee
Food with added sugarCakes, syrup, jelly, packaged drinks
Gluten rich foodPasta, rice, bread
DairyMilk, cheese


FAQ

1. Can I eat peanut butter if I have a thyroid?

Peanut butter and peanuts can worsen hypothyroidism. It is generally advised to avoid these in case of hypothyroidism.

2. Is it true that gluten can impact hypothyroidism?

Yes, gluten can impact hypothyroidism. Research shows that people who consume a gluten-free diet have reduced the concentration of antibodies in the blood that attack the thyroid gland. A gluten-free diet aids the symptoms, but it's not a general cure. Consult a doctor before adding any new item to your diet.

3. Can I still consume dairy products with hypothyroidism?

Yes. People with hypothyroidism are lactose intolerant, and dairy products contain lactose and casein. Dairy products can worsen symptoms like fatigue, inflammation, bloating, and gas.

4. Are there any specific beverages I should avoid with hypothyroidism?

People with hypothyroidism must avoid juice, soda, alcohol, coffee, sugary drinks, and soft drinks. These beverages can worsen the hypothyroidism symptoms.

5. Is there a connection between caffeine and hyperthyroidism?

No, there is no direct connection between caffeine and hyperthyroidism. Caffeine's stimulatory effects can increase existing symptoms like anxiety and sleep issues.

6. Can certain vegetables impact hyperthyroidism?

Yes, some vegetables, known as goitrogens, may affect hyperthyroidism. Cruciferous vegetables like broccoli, cabbage, and cauliflower contain goitrogens that can interfere with thyroid function when consumed in large amounts.

7. Should I be cautious about any specific nutrients with hyperthyroidism?

Yes, people with hyperthyroidism should be cautious about iodine intake, as excessive amounts can exacerbate symptoms. Monitor calcium and vitamin D levels, as hyperthyroidism can impact bone health. Please consult your healthcare professional; based on your reports, they can personalize your diet.

8. Which foods should I steer clear of if diagnosed with hyperthyroidism?

If you are diagnosed with hyperthyroidism, then it's advised to limit iodine-rich foods, dairy products, fish, caffeine, soy products, and sugary drinks. Also, avoid processed foods, as these products can aggravate the symptoms of hyperthyroidism.

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18 Comments

  • Adesoji Osunneye

    Apr 15, 2024 at 2:06 PM.

    I'm with thyroid medication since last year May but i still have pain in my hand nd legs and having anxiety. Please what can I do

    • Christina

      Apr 15, 2024 at 6:51 AM.

      I have been diagnosed with hypothyroidism for 20 yrs. I am under supervision of my Dr and take Levothyroxin daily to maintain my thyroid levels. I’m really confused about foods to avoid from this list. I’ve been on a mostly vegan/ vegetarian diet for 10yrs. I eat a lot of vegetables too, which are on this list, soy (tofu), rice, peanuts, green teas, etc. Is it safe for me to continue my Whole Foods/plant based diet?

      • MyHealth Team

        Apr 15, 2024 at 12:54 PM.

        It's generally safe for you to continue your whole foods/plant-based diet with hypothyroidism. Just ensure you're getting enough iodine and selenium. Moderate consumption of soy and cruciferous vegetables shouldn't pose a problem. Keep your doctor informed and monitor your thyroid levels regularly.

    • Abubakari Ruhaina

      Apr 9, 2024 at 6:55 PM.

      Please can I eat dandelion when diagnosed with thyroid infections

      • Myhealth Team

        Apr 9, 2024 at 7:27 PM.

        Hi, While dandelion greens are generally considered safe and nutritious, its crucial to ask your doctor for a better advice. Thankyou

    • Gracey

      Apr 2, 2024 at 7:42 AM.

      What are the specific fruits to avoid if you're diagnosed with hyperthyroidism(caused by Grave's disease)??

      • MyHealth Team

        Apr 4, 2024 at 9:43 AM.

        Limit iodine-rich fruits like seaweed, prunes, cranberries, strawberries, and bananas, as well as goitrogenic fruits such as broccoli, cabbage, cauliflower, kale, Brussels sprouts, peaches, pears, and strawberries in large amounts. Consulting a healthcare provider or dietitian for personalized advice is recommended.

    • Kathleen Mccann

      Mar 30, 2024 at 9:32 AM.

      I have had thyroid issues since birth and I was never told any of this. Is there a supplement that I can take to balance it out. I am on th thyroxine since birth but I am up and down all the time..

      • Myhealth Team

        Apr 4, 2024 at 11:10 AM.

        Hi Kathleen Mccann, It's best to manage thyroid issues under a doctor's guidance. While certain supplements like iodine, selenium, zinc, and iron may support thyroid health, always consult with your doctor before taking them. Adjusting your thyroid medication dosage may also help stabilize your symptoms. Thankyou

    • Priya

      Mar 29, 2024 at 5:55 PM.

      Can I eat almonds if I have hypothyroidism?

      • Myhealth Team

        Apr 1, 2024 at 10:23 AM.

        Hi Priya, Yes, you can eat almonds if you have hypothyroidism. They are nutritious and can be part of a balanced diet. Thankyou

    • Elizabeth Fearon

      Jan 28, 2024 at 5:48 PM.

      Thank you for the excellent information

      • Myhealth Team

        Jan 30, 2024 at 12:35 PM.

        You're welcome!

    • Carol Wolff

      Jan 27, 2024 at 5:09 AM.

      Thank you for your information. Much appreciated.

      • MyHealth Team

        Mar 29, 2024 at 6:35 AM.

        Thank You Carol, We are happy to hear it was helpful!

      • Myhealth Team

        Jan 30, 2024 at 12:40 PM.

        You're welcome! If you have any more questions or need further assistance, feel free to ask. I'm here to help!

    • Anthony James

      Jan 9, 2024 at 3:00 PM.

      I'm 54 yr old black who's been dealing with Graves Disease for seven years, and my A1C has increased yearly. I've grown frustrated with diet, I exercise four to five times a week and I'm not seeing any results help my condition. I'm seeking solutions. Thank you for any response. A James

      • Myhealth Team

        Jan 10, 2024 at 10:32 AM.

        Consult an endocrinologist about your increasing A1C levels, especially considering your history of Graves' Disease. They can provide personalized guidance on managing both conditions.

    • Susie Blagen

      Dec 26, 2023 at 9:39 AM.

      Why hasn't my MD or my endocrinologist discussed ANY of this with me. I was diagnosed with hyperthyroidism and Graves disease and no nothing about either of them. What I know, I have read online. I feel frustrated and angry. These are fairly serious diagnosis and I believe that they deserve some conversation and education with my physicians. I feel so lost and anxious.

      • Myhealth Team

        Dec 28, 2023 at 11:08 AM.

        Express your concerns to your MD and endocrinologist about the lack of information on your hyperthyroidism and Graves' disease. Schedule appointments to discuss and seek the information and support you need.

    • Michele Mullin

      Dec 23, 2023 at 12:31 AM.

      I have thyroid Hoshimoto diagnosed in 1995 and have just 2 weeks ago had a spike in my levels causing dero depression anxiety and other factors.....I eas NOT eating a healthy diet and I'm now paying for that ... I wonder how long it takes when I start now eating right for the thyroid to go back to normal.

      • Myhealth Team

        Dec 28, 2023 at 11:25 AM.

        Improving your diet for thyroid health may take several weeks to months to show noticeable changes. Consult your healthcare provider for personalized guidance and monitoring.

    • Jill Shirin

      Dec 22, 2023 at 7:22 PM.

      What food should you avoid if you have an autoimmune disease called thyroid peroxidase?

      • Myhealth Team

        Dec 28, 2023 at 11:26 AM.

        For Hashimoto's thyroiditis, consider minimizing iodine-rich foods, gluten, processed foods, soy, cruciferous vegetables, and dairy. Consult a healthcare professional for personalized advice.

    • Kristin Ann Hourigan

      Dec 21, 2023 at 9:14 PM.

      What can you eat?

      • Bwtched

        Apr 2, 2024 at 5:23 PM.

        EXACTLY! I'm at a complete loss now. I was Graves and had the RAI treatment 15 yrs ago. Never been regulated since! Nobody's discussed any of this information to me and I'm living with concenquences beyond imagination. If this information here is true, what CAN we eat?! Water.... thats it?!

      • Claudia

        Mar 31, 2024 at 7:41 AM.

        Apparently almost nothing . I saw that some vegetablesand fruit that are recommendedas good , here are not good:))))

      • Myhealth Team

        Dec 22, 2023 at 12:07 PM.

        For Hypothyroidism: 1. Iodine-rich Foods:** Seafood, seaweed, iodized salt. 2. Lean Proteins: Chicken, turkey, fish. 3. Whole Grains: Brown rice, quinoa, whole wheat. 4. Fruits and Vegetables: Rich in antioxidants and fiber. 5. Dairy or Alternatives: For calcium and vitamin D. For Hyperthyroidism: 1. Lean Proteins: Same as for hypothyroidism. 2. Cruciferous Vegetables: In moderation. 3. Anti-inflammatory Foods: Fatty fish, berries, turmeric. 4. Complex Carbohydrates: Whole grains, legumes. 5. Calcium and Vitamin D: Important for bone health. Consult a healthcare professional for personalized advice.

    • Mithu

      Nov 24, 2023 at 3:41 AM.

      Can I have white bread or chappathi. I have hypothyroidism and is on Thyronorm 100 mcg daily. My thyroid levels are 1.8

      • Myhealth Team

        Nov 29, 2023 at 1:14 PM.

        Yes, you can have white bread or chapati in moderation with hypothyroidism. Consult your healthcare provider for personalized dietary advice.

    • Manoj Khubchandani

      Nov 23, 2023 at 10:07 PM.

      Need advice regarding thyroid

      • Myhealth Team

        Nov 29, 2023 at 1:17 PM.

        Certainly! Please specify your thyroid-related question or concern, and I'll provide a concise response.

    • Molly Welch

      Nov 23, 2023 at 6:33 PM.

      All the foods mentioned are the only foods I can afford. I take levothyroud, so what can I eat? Everything seems to be off limits. I love milk( I buy skim milk) but it say not to drink it. I also a diabetic & on insulin. Does this affect it? I guess I’ll just stop eating so I won’t have any issues with what I eat. What do you suggest?

      • Myhealth Team

        Nov 29, 2023 at 1:19 PM.

        Consult a healthcare professional for personalized dietary advice considering hypothyroidism and diabetes. Focus on balanced meals with whole foods and controlled portions.

    • Jov Wilson

      Nov 17, 2023 at 4:08 AM.

      What can we eat?

      • Myhealth Team

        Nov 17, 2023 at 10:25 AM.

        In Hypothyroidism: - Iodine-rich foods:** Seafood, dairy, iodized salt. - Selenium sources:** Brazil nuts, seeds, turkey. - Whole grains, lean protein, fruits, veggies. In Hyperthyroidism: - Low-iodine diet: Avoid iodine-rich foods. - Calcium, Vitamin D: Dairy, leafy greens, fatty fish. - Lean protein, limit caffeine, small meals. Consult a professional for personalized guidance.

    • Elizabeth kahihia

      Sep 29, 2023 at 1:44 PM.

      Diagonised with thyroid nodules (multiple) any connection with cancer?

      • Myhealth Team

        Oct 7, 2023 at 9:39 AM.

        A creatinine level of 1.33 may vary by lab but is generally within range. An eGFR of 42 is lower than usual. Consult your healthcare provider for a personalized evaluation and guidance.

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