How to reduce your salt intake

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Salt is a chemical compound made up of sodium and chloride. It’s used to preserve and flavour foods and is the main source of sodium in our diet. A small amount of salt is important for good health because the sodium it contains controls many of our bodily functions. But too much salt is bad for you and most people eat more than they need.

The problem with too much salt

It’s the sodium in salt that can be bad for your health. Too much sodium can lead to high blood pressure (hypertension). High blood pressure increases your risk of stroke, heart attack and kidney failure. It can also cause ankle swelling and excessive fluid in the body in some people.

Your sodium needs

You shouldn’t have more than 2300 mg of sodium per day. That’s 6 g salt – just over a teaspoon of fine salt. For good health, you only need 460 to 920 mg of sodium a day – less than half a teaspoon of fine salt.

Sodium in your diet

Much of the sodium we eat is hidden, with as much as 75% coming from processed and packaged foods. The salt you add during cooking and at the table isn’t the main problem as it only provides about 15% of the sodium we eat. The remaining 10% is in fresh fruit and vegetables, milk, fresh fish, chicken, meat and eggs.

Lowering your sodium intake

For more information and helpful tips, we recommend reading the manual:

Foods that are high in sodium

Avoid or limit:

  • Salt, including rock salt, sea salt, pink Himalayan salt, and herb or flavoured salts (such as celery salt, garlic salt, and Tuscan seasoning).
  • Kelp.
  • Monosodium glutamate.
  • Anchovies, olives and pickled vegetables.
  • Vegemite, Marmite, Promite and peanut butter.
  • Soy sauce, tamari, oyster and fish sauces, stock cubes and powders, and gravy powders.
  • Smoked, canned in brine, cured and salted meats and fish. These include smoked salmon, bacon, corned beef, salami, sausages, ham, luncheon sausage and meat pies.
  • Fish or vegetables canned in brine.
  • Salted snacks such as potato crisps, savoury crackers, nuts and popcorn.
  • Cheese spreads and hard cheeses, especially feta, Parmesan, blue vein and Gouda.
  • Canned, packet and instant soups, instant noodles sachets and prepared pasta sauces.
  • Commercial mayonnaise and salad dressing.
  • Takeaway foods, most fast foods, restaurant meals and frozen meals.

Look for foods labelled as “salt reduced”, “no added salt” or “low sodium”. These include cheeses, margarines, breads, peanut butter, crackers, soups and sauces.

Alternatives to salt

  • Try using ground pepper, lemon juice, vinegar, fresh garlic, ginger, mustard, chilli or other herbs and spices to flavour your food.
  • Steam, microwave or cook vegetables in a small amount of water to keep their taste and vitamins.
  • Be careful with salt substitutes. Many contain potassium. Too much potassium can be harmful if you have kidney disease or if you’re taking medications for high blood pressure or heart failure.

Iodised salt

Iodine is an essential mineral that your thyroid needs to work properly. It also affects both physical and mental development.

USA soils lack iodine, so iodine has been added to table salt in USA. But many people are now getting less iodine. Part of the problem is that processed foods usually contain non-iodised salt. Many people also use gourmet sea salt and other salts that aren’t iodised. So, when you use salt at home, always use iodised salt.

To help us get more iodine, food manufacturers must now use iodised salt when making bread. Another good source of iodine is seafood.


Featured image by Lorena Martínez 


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