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Salt in the Diet
 
Why is salt important?
Salt (also called sodium chloride, or NaCl) contains sodium. Sodium, along with potassium, is very important in helping your body maintain normal cell function and a proper fluid balance. Sodium allows your body to take in fresh fluids, eliminate fluid waste through your urine, and still stay in fluid balance. Fluid balance is important for many body functions, including maintaining blood pressure, avoiding dehydration, and keeping the kidneys healthy. Too little sodium in the blood can keep brain, heart, and muscle cells from working properly.

Too much salt can lead to too much sodium in the blood, causing health problems. It can cause you to retain water, resulting in uncomfortable swelling of the hands, feet, and sometimes abdomen. Some women are more salt-sensitive before their periods. They are more likely to gain weight and have swelling and bloating from salt at this time.

A serious problem related to too much salt in your diet is high blood pressure. High blood pressure increases your risk for heart disease and strokes. Approximately one third of people with high blood pressure in the United States are especially salt sensitive. This means that if they eat too much salt, it will cause or worsen high blood pressure.

What is the recommended amount of salt?
Your body requires only about one-half gram of sodium each day. The 2005 Dietary Guidelines for Americans recommend that you eat no more than 2.3 grams of sodium per day. (One teaspoon of table salt contains about 2.3 grams.) The average American adult consumes quite a bit more sodium than this--often between 4 and 9 grams of sodium daily.

How do I decrease the salt in my diet?
You can take several steps to decrease the salt in your diet:
  • Stop adding salt to food at the table. One third to one half of the sodium people eat is added at the table or during cooking. Try flavoring your food with other spices or salt substitutes that do not contain sodium.
  • Use little or no salt during food preparation and cooking. Use other spices instead of salt.
  • Read the labels on all canned, packaged, or frozen foods to see how much sodium they contain. Many soups, frozen dinners, lunch meats, and other convenience foods contain high levels of sodium. Be aware that food labels list sodium rather than salt content and the amount is always given in milligrams (mg) rather than grams (g). 2,300 mg is the same as 2.3 grams of sodium. Foods that have less than 140 mg per serving are considered to be low in salt.
  • Check the sodium content in snack foods, especially the ones that taste salty but even those that aren't obviously salty.
  • Don't use a lot of sauces and condiments on foods.

What are examples of sodium content in common foods?
Fresh, whole foods have very little sodium. Most of the sodium we eat is added during processing and food preparation. The list below gives a sample of the sodium content in different groups of foods.

Grains and grain products Serving Size Sodium Content(mg)
Cooked cereal, rice, or pasta, unsalted 1/2 cup 0 to 5
Ready-to-eat cereal 1 cup 100 to 360
Bread 1 slice 110 to 175


Vegetables Serving Size Sodium Content(mg)
Fresh or frozen, cooked without salt 1/2 cup 1 to 70
Canned or frozen with sauce 1/2 cup 140 to 460
Tomato juice, canned 3/4 cup 820


Fruit Serving Size Sodium Content(mg)
Fresh, frozen, canned 1/2 cup 0 to 5


Low-fat or fat-free dairy foods Serving Size Sodium Content(mg)
Milk 1 cup 120
Yogurt 8 oz. 160
Natural cheeses 1 and 1/2 oz. 110 to 450
Processed cheeses 1 and 1/2 oz. 600


Nuts, Seeds and dry beans Serving Size Sodium Content(mg)
Peanuts, salted 1/3 cup 120
Peanuts, unsalted 1/3 cup 0 to 5
Beans, cooked from dried or frozen without salt 1/2 cup 0 to 5
Beans, canned 1/2 cup 400


Meats, fish and poultry Serving Size Sodium Content(mg)
Fresh meat, fish, poultry 3 oz. 30 to 90
Tuna canned, water pack, no salt added 3 oz 35 to 45
Tuna canned, water pack 3 oz. 250 to 350
Ham, lean, roasted 3 oz. 1020
Egg 1 egg, raw 60 to 80


Burger King Whopper Serving Size Sodium Content(mg)
Burger King Whopper 1 sandwich 1020
Burger King French fries medium large 640 to 880
Catsup 1 tablespoon 200
Mustard 1 teaspoon 80
Soy sauce 1 tablespoon 914
Table salt 1 teaspoon 2326

Decreasing sodium is one of the easier changes you can make in your diet. Once you start a low-sodium diet, you will gradually become more sensitive to the taste of salt in foods. For most people, this takes about 30 days, so it is important to stick with it. You will begin to enjoy lower salt, less processed food choices, and you will find that foods such as canned soups and packaged meats taste too salty. Use natural spices like oregano and rosemary to add flavor, but beware of seasonings with hidden sodium, such as Cajun seasoning and blackening spices.

If you are taking medicine or have any medical conditions, be sure to check with your health care provider before changing your diet.

If you would like to have a more complete list of the sodium content of common American foods, write:
Superintendent of Documents
US Government Printing Office
Washington, DC 20402

Ask for the USDA booklet titled "The Sodium Content of Your Food," Home and Garden Bulletin #233.

You can also get this information by visiting the Web site:
http://www.nal.usda.gov/fnic/foodcomp/Data/SR17/wtrank/wt_rank.html.




  Disclaimer: This content is reviewed periodically and is subject to change as new health information becomes available. The information provided is intended to be informative and educational and is not a replacement for professional medical evaluation, advice, diagnosis or treatment by a healthcare professional.

  HIA File NTR4725F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.


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