Myth 4: Sea salt has less sodium than table salt and is mineral-rich.
Fact: Run-of-the-mill Morton table salt and gourmet Himalayan sea salt contain essentially the same amount of sodium per teaspoon — 2,300 milligrams. As for minerals, neither contains enough of any mineral to make it a clear winner over the other. For instance, a teaspoon of table salt has just 1 mg calcium compared to 12 mg in sea salt. Since 12 mg is just one percent of your daily needs, it's not a very healthy way to get calcium into your diet.
Most people believe that sea salt tastes better and, in some cases, you may be able to use less of it (and therefore reduce your sodium intake), but it is by no means a lower-sodium and more mineral-rich option. Keep in mind, sea salt lacks iodine — and not getting enough of this compound can lead to goiter, intellectual impairments, growth retardation, and much more. In fact, iodine deficiency is a serious health threat, especially among pregnant women, according to Boston University researchers, so don't use sea salt exclusively in your diet.