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Kidney Diet Tips

July 21, 2014

Is sea salt or kosher salt better than table salt?

SaltSea salt features a coarse texture and stronger flavor compared to table salt. Sea salt is made from evaporated seawater, so sea salt contains traces of additional minerals and is natural instead of processed. Kosher salt has large crystals and contains no preservatives. Kosher salt can be derived from seawater or underground sources. Table salt has fine granules and is mined from underground salt deposits. Table salt is processed with anti-caking agent to prevent clumping. Some table salts are fortified with iodine, a mineral important for thyroid hormones.

While there are textural and processing differences in sea salt, kosher salt and table salt, all of these salts share one thing in common; all are high in sodium. While none of these salts is lower in sodium, due to the size of the sea salt and kosher salt crystals, a measured teaspoon will contain less sodium compared to the fine granules in table salt.  When following a low sodium diet, all salt should be limited. However, using larger textured sea salt and kosher salt may help reduce sodium by a very small amount.

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