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Vegetarian Sources for Iodine

Since the introduction of iodized salt, iodine supplements are unnecessary and not recommended for most people. For strict vegetarians who avoid salt and sea vegetables, 150 mcg per day is commonly supplemented. This amount is adequate to prevent a deficiency and higher amounts are not necessary.

Where to Find It

Seafood, iodized salt, and sea vegetables—for example, kelp—are high in iodine. Processed food may contain added iodized salt. Iodine is frequently found in dairy products. Vegetables grown in an iodine-rich soil also contain this mineral.

Possible Deficiencies

People who avoid dairy, seafood, processed food, and iodized salt can become deficient. Iodine deficiency can cause low thyroid function, goiter, and cretinism. Although iodine deficiencies are now uncommon in Western societies, the U.S. population has shown a trend of significantly decreasing iodine intake from 1988–1994. If this trend continues, iodine deficiency diseases may become more common.

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Iodine Sources


Sea vegetables: sea kelp, nori, kombu, wakame and arame
Iodized Salt
Himalayan Crystal Salt
Navy Beans
Enriched bread
Enriched Macaroni
Cream Style Corn
Raisin Bran
Lima Beans (boiled)
Apple Juice
Green Peas
Green Beans

Vegetarian With Dairy

Cheddar Cheese

Vegetarian With Seafood

Canned Tuna
Baked Cod


Nature's Way Kelp Capsules, 180-Count, 600mg

Optimox Iodoral High Potency Iodine Potassium Iodide Thyroid Support Supplement 180 tablets

Kelp - 325 mcg of natural iodine (250 caps)

J.CROW'S Lugol's Solution of Iodine 5%

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