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May 2009 Issue

No Matter How You Shake It, All Salts Are Mostly Sodium Chloride

One level teaspoon of table salt contains about 2,400 milligrams sodium, about the maximum recommended daily. Based on much research, some experts believe that half that—1,200 milligrams a day or ˝ teaspoon—is best for lowering high blood pressure. Keeping sodium intake that low is not necessarily dependent on the salt you shake, because 70% of intake is from processed foods. Kosher salt and some sea salts have larger crystals than regular table salt, so you get less actual salt—and therefore sodium—per teaspoon. Kosher salts, for example, contain anywhere from one-fifth to one-half the amount of sodium per teaspoon as in regular salt.

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