Low Iodine Diet

To increase the effectiveness of your upcoming radioactive iodine therapy, you may be prescribed a low iodine diet. Iodine is used in the care and feeding of animals and as a stabilizer and/or safety element in food processing. Therefore, it may be found in varying amounts in all food and beverages. The highest sources (and those to be avoided) are iodized salt, grains and cereals, some breads, fish from the sea, shellfish, beef, poultry, pudding mixes, milk and milk products. Detailed recipes that follow a low iodine diet can be found on the following websites: www.checkyourneck.com (Light of Life Foundation) and www.thyca.org (ThyCa: Thyroid Cancer Survivors’ Association). Below are general guidelines to follow on this diet.

Menu Options

Breakfast
Any fruit or fruit juices
Egg Beaters
Oatmeal with toppings – cinnamon, honey, applesauce, maple syrup, walnuts, fruit
1 slice toast
Black coffee or tea

Lunch
Vegetarian or chicken with rice soup
Matzo crackers
White or brown rice with vegetable plate (fresh or frozen)
Salad – fruit or vegetable – oil and vinegar dressing
Fruits – fresh, frozen or canned
Black coffee or tea

Dinner
6 oz Roast beef, lamb, veal, pork, or turkey
Potato – baked or broiled
Vegetables (fresh or frozen)
Salad – fruit or vegetable – oil and vinegar dressing
Fruits
Black coffee or tea

Snacks
Fresh fruit or juice
Dried fruits such as raisins
Fresh raw vegetables
Applesauce
Unsalted nuts
Fruit juice
Unsalted peanut butter (great with apple slices, carrot sticks, crackers or rice cakes)
Matzoh and other unsalted crackers
Home-made bread and muffins

Summary:
• No iodized salt
• No dairy products or foods containing dairy products
• No foods from the sea
• Limited grain products (ie noodles, pasta, pastries) – 1 slice bread, ½ cup pasta daily
• Limited amounts of beef, chicken and turkey

AVOID THE FOLLOWING FOODS

  • Iodized salt
  • Any vitamins or supplements that contain iodine (especially kelp and dulse)
  • Milk or other dairy products including ice cream, cheese, yogurt and butter
  • Seafood including fish, sushi, shellfish, kelp or seaweed
  • Herbal supplements
  • Foods that contain the additive carrageen, agar-agar, alginate, or nori
  • Commercially prepared bakery products that are made with iodate dough conditioners
  • FD&C red dye #3 – this appears in maraschino cherries and occasionally as a pink/red artificial color in beverages
  • Egg yolks, whole eggs and foods containing whole eggs
  • Milk chocolate (due to dairy content)
  • Blackstrap Molasses (unsulfured molasses is fine)
  • Soy products (soy sauce, soy milk, tofu) [note: soy does not contain iodine. However, high soy ingestion has been shown to interfere with radioactive iodine uptake in animal studies.]

FOODS THAT ARE OK

  • Non-iodized salt or non-iodized sea salt may be used as desired
  • Egg whites
  • Homemade bread made with non-iodized salt and oil (not soy!) instead of butter or milk or commercially-baked breads which do not contain iodate dough conditioners, dairy, or eggs
  • Fresh fruits and vegetables
  • Frozen vegetables
  • Grain, cereal products and pasta without high iodine ingredients
  • Canned fruit
  • Natural unsalted nuts and nut butters (peanut, almond, etc)
  • Sodas, beer, wine, lemonade, fruit juices
  • Coffee or tea. But remember, no milk or cream and no soy-based non-dairy creamer!
  • Popcorn popped in vegetable oil or air popped, with non-iodized salt
  • Black pepper, fresh or dried herbs and spices, all vegetable oils
  • Sugar, jam, jelly, honey maple syrup
  • Matzoh crackers

ADDITIONAL GUIDELINES

  • Avoid restaurant foods since there is no reasonable way to determine which restaurants use iodized salt.
  • Consult your doctor before discontinuing any red-colored medication or any medication containing iodine (i.e., Amiodarone, expectorants, topical antiseptics).
  • Avoid all herbal supplements (especially when one is not sure how much iodine they contain).

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FURTHER INFORMATION

For information on thyroid patient support organizations, please visit the Patient Support Links section on the ATA website at www.thyroid.org