The thyroid gland, located in the neck below the larynx, is responsible for producing the hormones that control the metabolism of all the cells in the body. The thyroid also plays a crucial role in energy production. According to MayoClinic.com, there are certain foods such as soybean and walnuts that should be avoided if you have hypothyroidism or are using thyroid medication. Conversely, some nutritionists and alternative medical practitioners believe that certain foods when incorporated into the diet can improve the production of thyroid hormone. If you have hypothyroidism or an underactive thyroid, please speak to your doctor before you make any major changes to your diet.
Antioxidant Foods
According to the University of Maryland Medical Center, certain foods that are high in antioxidants can help improve your thyroid function. The American Heart Association lists vitamin C, vitamin E and vitamin A in the form of beta-carotene as the "antioxidant vitamins." Sweet potatoes, collard greens, butternut squash and carrots are rich in vitamin A. Food sources rich in vitamin C include peppers, Brussels sprouts, cauliflower, gourd, green cabbage, potatoes, spring greens and broccoli. The Office of Dietary Supplements from the National Institutes of Health lists broccoli, spinach, almonds and sunflower seeds as food sources rich in vitamin E.
Foods with Iodine
According to the Linus Pauling Institute at Oregon State University, iodine is an essential mineral for optimal thyroid function. Seafood is a rich source of iodine. Iodine-rich foods include nearly all types of shellfish, sardines, salmon, nori and clams. All fish and shellfish are particularly high in iodine.
Kelp, not traditionally considered among the traditional antioxidant vegetables, is a green sea vegetable used in Japanese cooking and is a rich source of iodine. Kelp may help contribute to optimal thyroid production, according to the University of California at San Diego.
Foods with Zinc
According to the University of Maryland Medical Center, zinc is an essential trace mineral that supports optimal thyroid function. Zinc is found in a wide range of foods. Oysters are the food source that is richest in zinc. Shellfish, seafood, lean meat, liver, wheat germ, whole grains and green leafy vegetables are top sources of zinc. Cheese is high in zinc as well.
References
- University of California San Diego: Kelp
- University of Maryland Medical Center: Hypothyroidism
- National Endocrine and Metabolic Diseases Information Service: Hypothyroidism
- Centers for Disease Control and Prevention: Thyroid Disorders Overview
- University of Pittsburgh Medical Center: Hypothyroidism
- University of Michigan Health System: Hypothyroidism
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