Your thyroid gland controls metabolism, energy levels, and hormone balance throughout your body. Feeding it the right nutrients—like iodine, selenium, zinc, and iron—helps it function at its best.
This list covers 84 options across seafood, vegetables, fruits, nuts, seeds, grains, and proteins. All values are approximate. Unless stated otherwise, nutritional values are based on a cooked 1-cup (240ml) serving.
Iodine-Rich Foods
Iodine is essential for producing thyroid hormones, and deficiency can lead to an underactive thyroid. These foods provide natural sources of this crucial mineral to keep the thyroid functioning properly.
Seaweed (Kelp)
~1,500-2,500 mcg iodine per sheet (can exceed 1,000% DV)
Add strips to soups, crumble over salads, or use as a wrapper for homemade sushi rolls.
Cod
~99 mcg iodine (approximately 66% DV)
Bake with lemon and herbs, add to fish tacos, or flake into chowders for a mild-flavored protein boost.
Shrimp
~35 mcg iodine (approximately 23% DV)
Sauté with garlic for pasta dishes, toss into stir-fries, or grill on skewers for quick weeknight meals.
Turkey Breast
~34 mcg iodine (approximately 23% DV)
Roast for sandwiches, dice into salads, or use ground turkey in place of beef in most recipes.
Eggs
~24 mcg iodine per egg (approximately 16% DV)
Scramble for breakfast, hard-boil for snacks, or use in baking and homemade mayonnaise.
Plain Greek Yogurt
~75 mcg iodine (approximately 50% DV)
Top with berries and nuts, use as a base for smoothies, or substitute for sour cream in dips.
Milk
~85 mcg iodine (approximately 56% DV)
Pour over cereal, blend into smoothies, or use in coffee and tea for a nutritious boost.
Tuna
~17 mcg iodine (approximately 11% DV)
Mix with avocado for sandwiches, toss with pasta, or stuff into bell peppers before baking.
Prunes
~13 mcg iodine (approximately 9% DV)
Snack on them straight from the bag, chop into oatmeal, or simmer into compotes for meat dishes.
Navy Beans
~32 mcg iodine (approximately 21% DV)
Simmer into soups and stews, mash for bean dips, or toss with olive oil and herbs as a side dish.
Selenium-Containing Foods
Selenium works directly with thyroid enzymes to convert T4 hormone into its active T3 form, making it essential for proper thyroid function. The mineral also protects the thyroid gland from oxidative damage during hormone production.
Brazil Nuts
~544 mcg selenium (approx. 989% DV per nut)
Eat just one or two nuts daily as a snack or chop them over oatmeal—more isn’t better since selenium needs are easily met.
Chicken Breast
~22 mcg selenium (approx. 40% DV)
Grill, bake, or poach for salads, grain bowls, or simple weeknight dinners.
Cottage Cheese
~20 mcg selenium (approx. 36% DV)
Eat it plain with fruit, blend into smoothies, or use as a creamy base for dips.
Pork Chops
~48 mcg selenium (approx. 87% DV)
Pan-sear with herbs or bake with vegetables for a selenium-rich main course.
Beef (Lean Cuts)
~33 mcg selenium (approx. 60% DV)
Choose sirloin or round cuts for grilling, stir-fries, or slow-cooked meals.
Sardines
~46 mcg selenium (approx. 84% DV)
Toss canned sardines into pasta, mash onto toast, or add to salads for quick meals.
Halibut
~47 mcg selenium (approx. 85% DV)
Bake or grill this mild white fish with lemon and serve alongside roasted vegetables.
Brown Rice
~19 mcg selenium (approx. 35% DV)
Use as a base for bowls, stir it into soups, or serve as a simple side dish.
Sunflower Seeds
~27 mcg selenium (approx. 49% DV)
Sprinkle over salads, stir into yogurt, or keep a handful for an easy snack.
Mushrooms (Crimini)
~18 mcg selenium (approx. 33% DV)
Sauté with garlic, add to omelets, or roast until golden for maximum flavor.
Oatmeal
~13 mcg selenium (approx. 24% DV)
Start the day with a warm bowl topped with nuts and berries for added thyroid support.
Lentils
~6 mcg selenium (approx. 11% DV)
Simmer into soups, toss into salads, or use as a protein-rich base for vegetarian meals.
Spinach
~11 mcg selenium (approx. 20% DV)
Add fresh leaves to smoothies and salads, or sauté with olive oil and garlic as a quick side.
Zinc-Rich Foods
Zinc plays a crucial role in converting thyroid hormone T4 into its active form T3, making it essential for proper thyroid function. A deficiency in this mineral can slow down thyroid hormone production and weaken immune response, which often affects thyroid health.
Oysters
~74 mg zinc per serving (673% DV) — the highest zinc content of any food
Grill them with garlic butter, add to seafood stews, or enjoy raw with lemon for maximum nutrient absorption.
Beef Liver
~4.5 mg zinc plus high amounts of selenium and B vitamins that support thyroid function
Pan-fry with onions, blend into pâté, or dice and add to rich meat sauces for a nutrient boost.
Pumpkin Seeds
~2.2 mg zinc along with magnesium and healthy fats
Sprinkle over salads, blend into smoothies, or roast with sea salt for an easy snack.
Cashews
~1.6 mg zinc per handful, plus copper that aids thyroid hormone synthesis
Toss into stir-fries, blend into creamy sauces, or eat straight from the bag as a quick snack.
Chickpeas
~2.5 mg zinc per serving plus fiber and plant-based protein
Roast until crispy, mash into hummus, or toss into grain bowls and salads.
Hemp Seeds
~3 mg zinc along with omega-3 fatty acids that reduce thyroid inflammation
Stir into yogurt, sprinkle over oatmeal, or blend into smoothies for a nutty flavor.
Crab
~6.5 mg zinc plus selenium for comprehensive thyroid support
Add to pasta dishes, make crab cakes, or fold into omelets with fresh herbs.
Lamb
~5 mg zinc per serving along with iron and B12
Slow-roast with rosemary, grill as chops, or cube for kebabs with vegetables.
Quinoa
~1.1 mg zinc plus all nine essential amino acids
Use as a rice substitute, toss into salads, or cook into breakfast porridge with cinnamon.
Dark Chocolate (70% cacao or higher)
~3.3 mg zinc per bar plus antioxidants
Break off a few squares for dessert, melt into hot chocolate, or chop and add to trail mix.
Almonds
~0.9 mg zinc along with vitamin E and magnesium
Slice over green beans, blend into almond butter, or pack as a portable snack.
Swiss Cheese
~1.2 mg zinc plus calcium and vitamin B12
Layer in sandwiches, melt over vegetables, or cube for snack plates with fruit.
Iron-Rich Foods
Iron plays a crucial role in thyroid function by helping the body produce thyroid hormones and convert the inactive T4 hormone into its active T3 form. Without adequate iron, even sufficient iodine intake won’t fully support optimal thyroid health.
Black Beans
~3.6 mg iron (approx. 20% DV)
Toss them into tacos, blend into veggie burgers, or add to grain bowls for a protein-packed base.
Tofu
~3.4 mg iron (approx. 19% DV)
Press it well before cooking to improve texture, then pan-fry, bake, or crumble into scrambles and stir-fries.
Blackstrap Molasses
~3.5 mg iron per tablespoon (approx. 20% DV)
Stir a spoonful into oatmeal, smoothies, or use it to add depth to barbecue sauces and baked beans.
Kidney Beans
~3.9 mg iron (approx. 22% DV)
Add them to chili, mix into salads, or mash with spices for a quick bean dip.
White Beans
~3.7 mg iron (approx. 21% DV)
Puree them with garlic and olive oil for a creamy spread, or simmer in soups and stews.
Edamame
~2.3 mg iron (approx. 13% DV)
Steam the pods and sprinkle with sea salt for snacking, or add shelled beans to stir-fries and grain salads.
Blackberries
~0.9 mg iron (approx. 5% DV)
Snack on them fresh, blend into smoothies, or fold into yogurt parfaits for a nutrient boost.
Dried Apricots
~2.7 mg iron (approx. 15% DV)
Chop them into trail mix, add to tagines and grain dishes, or simmer into compotes.
Potato (with skin)
~1.9 mg iron (approx. 11% DV)
Bake or roast whole for maximum nutrient retention, keeping the iron-rich skin intact.
Tomato Paste
~2.7 mg iron (approx. 15% DV)
Stir it into pasta sauces, soups, and stews to boost both iron content and rich umami flavor.
Green Peas
~1.5 mg iron (approx. 8% DV)
Add them to fried rice, pasta dishes, or mash into a vibrant spread for sandwiches and crackers.
Tyrosine-Rich Protein Foods
Tyrosine is an amino acid your thyroid uses to produce hormones, working alongside iodine to keep metabolism humming. These protein-packed foods deliver tyrosine while supporting overall thyroid function with additional nutrients like selenium and zinc.
Salmon
~1,600 mg tyrosine per fillet, plus selenium and omega-3s
Grill or bake with lemon and herbs, or flake cooked salmon into salads and grain bowls.
Parmesan Cheese
~1,995 mg tyrosine per block, plus calcium and protein
Grate over roasted vegetables, stir into scrambled eggs, or shave onto salads for a savory boost.
Mozzarella Cheese
~1,150 mg tyrosine per ball, plus calcium and B vitamins
Layer into caprese salads, melt onto whole-grain toast, or add to omelets for protein-packed meals.
Yellowfin Tuna (fresh)
~1,450 mg tyrosine per steak, plus selenium
Sear quickly for poke bowls, grill with teriyaki glaze, or cube for ceviche.
Venison
~1,550 mg tyrosine per portion, plus iron and B12
Pan-sear steaks with rosemary, slow-cook in stews, or use ground venison for burgers and chili.
Duck Breast
~1,200 mg tyrosine per breast, plus iron and zinc
Score the skin and pan-sear until crispy, then slice over greens or serve with roasted root vegetables.
Rainbow Trout
~1,100 mg tyrosine per fillet, plus selenium and omega-3s
Pan-fry in butter with almonds, bake with lemon and dill, or grill wrapped in foil with herbs.
Bison
~1,400 mg tyrosine per portion, plus iron and zinc
Use ground bison for tacos and meatballs, or grill steaks like beef for a leaner alternative.
Sockeye Salmon (canned)
~1,300 mg tyrosine per can, plus omega-3s and selenium
Mix into pasta salads, mash onto crackers, or fold into fish cakes with herbs and breadcrumbs.
Rabbit
~1,350 mg tyrosine per portion, plus B vitamins and selenium
Braise with wine and herbs, roast like chicken, or add to stews for tender, mild-flavored meat.
Ricotta Cheese
~900 mg tyrosine per container, plus calcium and protein
Spread on toast with honey, dollop onto pasta, or blend into smoothies for creamy texture.
Mackerel
~1,250 mg tyrosine per fillet, plus selenium and omega-3s
Grill whole with garlic and herbs, smoke for breakfast plates, or add to rice bowls with pickled vegetables.
Elk
~1,400 mg tyrosine per portion, plus iron and B12
Grill steaks medium-rare, use ground elk for Bolognese sauce, or slow-cook roasts with root vegetables.
Vitamin D-Rich Foods
Vitamin D helps the body absorb selenium and supports immune function, both critical for healthy thyroid hormone production. Since few foods naturally contain high amounts, fortified options and specific animal products become particularly valuable.
Herring
~306 IU vitamin D (approx. 51% DV)
Pickle it Scandinavian-style or pan-fry fillets with lemon and dill for a quick weeknight protein.
Swordfish
~566 IU vitamin D (approx. 94% DV)
Grill thick steaks with olive oil and herbs, or cube for kebabs with vegetables.
Fortified Orange Juice
~100 IU vitamin D (approx. 17% DV)
Check labels to find brands with added vitamin D, and shake well before pouring since nutrients can settle.
Fortified Almond Milk
~100 IU vitamin D (approx. 17% DV)
Use in smoothies, pour over cereal, or substitute in baking recipes that call for regular milk.
Fortified Soy Milk
~119 IU vitamin D (approx. 20% DV)
Choose unsweetened varieties for cooking savory dishes or sweetened versions for coffee and tea.
Fortified Oat Milk
~100 IU vitamin D (approx. 17% DV)
Works especially well in coffee drinks and creamy soups where its natural sweetness complements other ingredients.
Fortified Cereal
~80-100 IU vitamin D (approx. 13-17% DV)
Read nutrition labels carefully since vitamin D content varies significantly between brands and varieties.
Chanterelle Mushrooms
~212 IU vitamin D (approx. 35% DV)
Sauté in butter until golden, then toss with pasta or serve over toast as a luxurious side dish.
Morel Mushrooms
~136 IU vitamin D (approx. 23% DV)
Clean carefully to remove grit, then sauté in cream sauce or add to risotto for earthy depth.
Porcini Mushrooms
~90 IU vitamin D (approx. 15% DV)
Reconstitute dried porcini in hot water, then use both mushrooms and soaking liquid in soups and braises.
Canned Salmon
~465 IU vitamin D (approx. 78% DV)
Mix with mayo and herbs for quick salmon salad, or mash into patties for pan-frying.
Caviar
~117 IU vitamin D (approx. 20% DV)
Spoon onto blinis with crème fraîche, or use as an elegant garnish for deviled eggs.
Fortified Coconut Milk (beverage)
~100 IU vitamin D (approx. 17% DV)
Different from canned coconut milk, this thinner version works well in smoothies and golden milk lattes.
Eel
~932 IU vitamin D (approx. 155% DV)
Try unagi (freshwater eel) at Japanese restaurants, where it’s typically grilled with a sweet glaze over rice.
B-Vitamin Rich Foods
B vitamins play a crucial role in thyroid function by helping convert iodine into thyroid hormones and supporting overall metabolic processes. These nutrients work together to ensure the thyroid gland can produce and regulate hormones efficiently.
Nutritional Yeast
~High in B vitamins, especially B12 when fortified (varies by brand, often 100%+ DV per tablespoon)
Sprinkle over popcorn, stir into soups, or blend into sauces for a savory, cheese-like flavor boost.
Avocado
~Contains multiple B vitamins including folate, B6, and pantothenic acid
Mash onto toast, slice into salads, or blend into smoothies for creamy texture and nutrient density.
Bell Peppers (Red)
~Good source of B6 and folate, plus high vitamin C content that supports thyroid function
Roast them whole for easy peeling, stuff with grains and proteins, or slice raw into salads and wraps.
Sweet Potato
~Provides B6, folate, and other B vitamins along with antioxidants
Bake whole for an easy side dish, cube and roast with olive oil, or mash as a nutritious base.
Brussels Sprouts
~Contains folate and B6, plus sulfur compounds that support thyroid hormone production
Halve and roast until crispy, shred raw into slaws, or sauté with garlic and olive oil.
Asparagus
~Rich in folate and other B vitamins that support cellular metabolism
Steam lightly and drizzle with lemon, roast at high heat for caramelization, or chop into omelets.
Broccoli
~Provides folate, B6, and other B vitamins alongside thyroid-supporting nutrients
Steam or roast as a side dish, toss into stir-fries, or blend into creamy soups.
Cauliflower
~Contains B6, folate, and pantothenic acid to support metabolic function
Rice it for a grain alternative, roast into florets, or mash as a lower-carb potato substitute.
Beets
~High in folate and other B vitamins that support red blood cell production
Roast whole until tender, grate raw into salads, or blend into smoothies for an earthy sweetness.
Turnip Greens
~Excellent source of folate and B6, plus minerals that support thyroid health
Sauté with garlic and oil until wilted, add to soups, or braise with a splash of vinegar.
Romaine Lettuce
~Provides folate and small amounts of other B vitamins in a low-calorie package
Use as crunchy salad base, grill halves for a smoky side, or wrap proteins and spreads for handheld meals.
FAQs
Foods rich in iodine, selenium, and zinc are excellent for thyroid function, including fish, shellfish, eggs, nuts (especially Brazil nuts), and seaweed. Leafy greens, whole grains, and lean proteins also support healthy thyroid hormone production. Eating a varied diet with these nutrient-dense options helps maintain optimal thyroid function.
Goitrogenic foods like raw cruciferous vegetables (broccoli, cauliflower, kale) can interfere with thyroid function when eaten in very large amounts, though cooking them significantly reduces this effect. Excessive soy consumption and highly processed foods may also impact thyroid health. Moderation and proper preparation are key to enjoying these otherwise nutritious foods.
Just 1-2 Brazil nuts per day provide the recommended daily amount of selenium for thyroid health. Eating more than 4-5 daily can lead to selenium toxicity over time. This small serving is a simple, effective way to support thyroid function without overdoing it.
People with autoimmune thyroid conditions like Hashimoto's may benefit from reducing or eliminating gluten, as research shows a potential link between celiac disease and thyroid dysfunction. However, not everyone with thyroid issues needs to avoid gluten. It's best to discuss individual dietary needs with a healthcare provider before making major changes.
Iodized salt provides a baseline amount of iodine that helps prevent deficiency, but it shouldn't be the only source of thyroid-supporting nutrients. A balanced diet including fish, dairy, eggs, and other iodine-rich foods ensures adequate intake without relying solely on salt. This approach also provides other essential minerals like selenium and zinc.
Most people can get adequate thyroid-supporting nutrients through a well-balanced diet without supplements. Supplements may be necessary for those with diagnosed deficiencies or specific thyroid conditions, but they should only be taken under medical supervision. Over-supplementing iodine or selenium can actually harm thyroid function.
While proper nutrition supports thyroid health, diet alone cannot cure thyroid disorders like hypothyroidism or hyperthyroidism. These conditions typically require medical treatment and monitoring by a healthcare provider. A thyroid-friendly diet works best as part of a comprehensive treatment plan that may include medication.
Eating regular, balanced meals throughout the day helps maintain steady energy and supports metabolic function controlled by the thyroid. There's no magic timing, but avoiding long gaps between meals and eating breakfast can help stabilize blood sugar and energy levels. Consistency matters more than specific meal timing.