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Sodium: How to tame your salt habit

Use salt substitutes wisely

A salt substitute is made by replacing some or all the sodium with potassium, magnesium or another mineral. To get that familiar salty taste, you may use too much of the substitute and get too much sodium.

The potassium in some salt substitutes may be a problem for some people. Too much potassium can be harmful for people with kidney problems. It also can be bad for those who take medicines that cause the body to hold on to potassium. These include medicines used to treat high blood pressure and congestive heart failure.