Nutrition
Hashimoto’s Diet: Who Needs it and What to Eat
Diet is key in managing Hashimoto’s thyroiditis, helping reduce thyroid damage, regulate antibodies, and manage weight, blood sugar, and cholesterol.
Thyroid diseases pose a significant health burden in India, affecting 42 million people, according to the Indian Journal of Endocrinology and Metabolism. The four main disorders include hypothyroidism, hyperthyroidism, goitre, and iodine deficiency disorders.
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Hashimoto's disease is an autoimmune condition, which leads to hypothyroidism (an underactive thyroid). Even with medication, Hashimoto’s symptoms can linger, affecting quality of life. A 2019 research in Cureus shows that diet and lifestyle are powerful tools in managing the condition, especially since many people experience symptoms even when their hormone levels remain untreated.
With Hashimoto's disease, your immune system creates antibodies that attack your thyroid, gradually impairing its ability to produce hormones and leading to hypothyroidism. The most common treatment involves lifelong hormone replacement with levothyroxine to balance hormone levels. Hashimoto's is a lifelong condition that requires ongoing medication, and diet alone can't replace treatment. However, researchers are diving deeper into how your diet may influence thyroid function.
Interestingly, diet and lifestyle adjustments can enhance the quality of life for those with Hashimoto’s. While there's no magic cure or specific diet to reverse or prevent Hashimoto's, incorporating anti-inflammatory foods and key nutrients into your meals can help ease symptoms and support your overall health. Eliminating certain foods might help reduce inflammation—a common issue linked to diet and a potential driver of the disease.
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Role of Diet in Managing Hashimoto’s Thyroiditis
There’s no one-size-fits-all diet for managing Hashimoto’s—everyone’s needs are different. That’s why a personalised approach to nutrition is key. However, some diets have shown promise for improving symptoms in certain individuals:
1. Gluten and Grain-Free Diet: Evidence suggests that gluten-free and grain-free diets could be beneficial for managing Hashimoto’s symptoms. Eliminate wheat, barley, rye, and other gluten-containing foods from diet that may help reduce inflammation in people sensitive to gluten or those with coexisting celiac disease, which is more common in people with autoimmune disorders like Hashimoto’s.
These dietary changes may help reduce inflammation and improve overall well-being for some individuals. A 2018 study issued in the paper Experimental and Clinical Endocrinology And Diabetes shows a strong connection between Hashimoto’s and celiac disease, with those affected being more likely to have both conditions compared to the general population. Because of this, experts recommend screening for celiac disease if you’ve been diagnosed with Hashimoto’s.
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2. The autoimmune protocol diet: Eliminate potential inflammatory foods like grains, legumes, dairy, nuts, seeds, and nightshades, focusing on nutrient-rich and anti-inflammatory foods. The autoimmune protocol diet is tailored for people with autoimmune conditions, focusing on eliminating foods that may trigger inflammation or immune responses. Foods excluded include grains, dairy, nightshades, added sugar, coffee, legumes, eggs, alcohol, nuts, seeds, refined sugars, oils, and additives. This diet emphasises nutrient-dense, anti-inflammatory foods to help the body heal and manage symptoms. A 2019 research in Cureus shows a study of 16 women with Hashimoto’s where the autoimmune protocol diet significantly improved quality of life and reduced levels of C-reactive protein (CRP), a key marker of inflammation.
3. Lactose-free diet: Lactose intolerance is surprisingly common among people with Hashimoto’s thyroiditis. If you notice bloating, discomfort, or other digestive issues after consuming dairy, a lactose-free diet could help.
Cutting out dairy may not only improve digestion but also support better thyroid function and enhance the absorption of thyroid medication. That being said, not everyone with Hashimoto’s needs to ditch dairy—some tolerate it just fine. The key is to listen to your body and adjust your diet based on what feels best for you.
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4. Anti-inflammatory diet: Since inflammation is a major factor in Hashimoto’s thyroiditis, an anti-inflammatory diet can be a game-changer. This approach focuses on nutrient-packed fruits and vegetables that may help reduce inflammation and ease symptoms.
- DASH diet: emphasises fresh, whole foods and avoiding processed and sugary foods.
- Mediterranean diet: rich in plant-based foods and omega-3 fatty acids from fish and olive oil.
- MIND diet: a combination of the Mediterranean diet and DASH diet.
Research backs this up—a 2018 study in the paper Endocrine Connection, 218 women with Hashimoto’s found that those who ate more fruits and vegetables had lower levels of oxidative stress, a condition linked to chronic inflammation. By filling your plate with colourful, plant-based foods, you can support your thyroid health and overall well-being.
Related story: DASH Diet: All You Need to Know
5. Supplements: Certain nutrients can play a key role in managing Hashimoto’s symptoms and supporting thyroid health:
- Vitamin D: A 2015 study in the paper Hellenic Journal of Nuclear Medicine found that 85 per cent of Greek Caucasians with Hashimoto’s had low vitamin D levels paired with high thyroid antibody levels. After four months of vitamin D supplementation, thyroid antibody levels significantly decreased.
- Selenium: The thyroid gland has the highest selenium concentration, making this nutrient vital for thyroid hormone synthesis and metabolism. A 2023 review of seven studies in the paper Medicine found that selenium supplementation lowered thyroid antibody levels after six months. While promising, more research is needed to determine selenium's impact on quality of life and long-term disease progression.
Making thoughtful diet and lifestyle changes can address key aspects of Hashimoto’s. Eliminating certain foods might help reduce inflammation—a common issue linked to diet and a potential driver of the disease. Approaches like gluten-free, anti-inflammatory, or the Autoimmune Protocol diet, along with key nutrients such as vitamin D and selenium, show promise in reducing inflammation and thyroid antibody levels.
Including these nutrients through supplements or selenium- and vitamin D-rich foods can complement your treatment plan, but it’s always best to consult a healthcare professional before starting any supplementation.
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