Slide show: Guide to gourmet salt
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As its name suggests, salt substitute is a replacement for regular salt. Salt substitute contains no sodium — it's made of potassium chloride, magnesium chloride or even certain amino acids (proteins).

Your doctor may recommend using a salt substitute if you're on a sodium-restricted diet. But salt substitute may not be appropriate for everyone because of the possibility of getting too much potassium, so check with your doctor first.

Salt substitutes are typically used at the table for seasoning. Some salt substitutes become bitter when heated. So check the label before using a salt substitute for cooking or baking.

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