Health Check: How Much Salt Is OK To Eat?

Health Check: How Much Salt Is OK To Eat?

Australian guidelines recommend limiting salt intake to six grams a day or less. The World Health Organisation advises limiting salt even further: to 5g (for adults) and 2g (for children) per day or less. But for this article, we’ll stick to the Australian guidelines.

What we generally refer to as “salt” – the stuff that we sprinkle on our food – is actually sodium chloride.

It’s the sodium from the salt that can lead to high blood pressure when consumed in high amounts.

Usually our kidneys are good at getting rid of excess sodium in the urine. But when problems with this occur, excess sodium enters the bloodstream. This can boost the amount of blood pumped around our body. The increased pressure on our blood vessels and heart raises the risk of stroke, as well as heart and kidney problems.

Lowering your sodium intake will improve your health and reduce your risk of experiencing these problems, largely through the reduction in blood pressure.

One gram of salt contains approximately 400 milligrams of sodium. The maximum daily limit for adults is a little less than six times this figure: 2,300 milligrams of sodium per day.

Children need much less sodium. Limits range from 1,000 milligrams of sodium per day for children aged one to three years, and between 1,400mg to 2,000mg for those aged between four to 13 years.The Conversation

The sodium chloride (table salt) we add to other foods during cooking or at the table accounts for less than a quarter of sodium intake. A very small amount of sodium is also present in many foods such as milk and meat that contribute only a very small amount to our overall intake.

Most sodium we eat comes from processed and pre-packaged foods. Sodium is commonly added to foods during processing to add flavour, for preservation and as a raising agent (sodium bicarbonate).

Around 60% of Australians over the age of two years exceeded the recommended daily maximum intake.

The foods that account for the largest proportion of sodium intake in Australian adults (about 25%) include biscuits, cakes, pastries, pies, dumplings, pizza, hamburgers, hot dogs, and pasta and rice mixed dishes.

A few slices of takeaway pizza or a hamburger easily provides around 65% of daily upper limit of consumption, with around 1,500mg sodium.

Kacie Dickinson, Accredited Practising Dietitian; Associate Lecturer in Nutrition and Dietetics, Flinders University

This article was originally published on The Conversation. Read the original article.

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