What's the Difference Between Kosher and Iodized Salt
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Iodized salt gets its name from one tiny addition: iodine. Back in the 1920s, doctors realized many people weren’t getting enough iodine, which is crucial for your thyroid. So they started adding it to table salt. It’s a public health win, like putting vitamin D in milk. If you don’t eat much seafood, seaweed, or dairy, iodized salt can be a quiet helper for your body.
Does kosher salt have iodine? Nope—and here’s why
Most kosher salt is pure—just salt, no additives. That’s part of its charm for chefs. But because it’s missing iodine, you won’t get that extra thyroid boost. That’s totally fine if you eat a balanced diet or take a multivitamin. My grandmother swears by kosher salt for everything, and she’s 88, so it’s not a crisis. Just something to keep in mind if you rarely eat fish or eggs.