Not All Salts Created Equally. Which One Is Better?

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You may have heard the popular and funny quote from an unknown author that "salt is what makes things bad when it isn't in them." Most of us would have to agree.

Salt has received a bad rap in the nutrition world, being blamed by mainstream medicine for many chronic conditions such as heart disease and high blood pressure. However, studies show that upwards of 75% of sodium in the SAD (Standard American Diet) comes from processed and packaged foods and that simply adding salt to your home-cooked meals is not the problem.

In fact, there are actually quite a few dangers in a diet too low in salt. Research shows that a low-salt diet could increase your risk of insulin resistance, and elevated LDL ("bad") cholesterol levels.

If you head to the salt section of any health food store (and some conventional grocery stores, too), you are probably overwhelmed with the salt selection. Kosher, Celtic, Himalayan, sea and regular salt. Which should you choose? All vary somewhat in texture and taste, not to mention that they each have a slightly different mineral content.

Why is Salt in My Diet Important?

The two mineral elements that make up salt are chlorine and sodium, two compounds that are crucial for our health and survival. They support basic bodily functions like brain and nerve impulses. Salt has gotten bad press because of its ability to bind with water in the blood stream and raise blood pressure, although studies show that a low salt intake won't actually prevent strokes or heart attacks. If you eat a diet primarily composed of whole foods instead of processed foods, adding salt to your food should be just fine.

Swapping a less-processed type of salt for table salt is definitely a good move for your health. Check out the different options and how they compare:

Himalayan Salt

Himalayan salt is pink in color and is harvested from a huge salt mine in Pakistan, the Khewra Salt Mine. Himalayan salt is higher in potassium than all other types of salt, and also offers many trace minerals, including iron, magnesium, and calcium. It is slightly lower than table salt in sodium, but higher than Celtic salt.

Celtic Salt

Celtic salt originated in France and has a grey color. It is slightly lower in sodium than other types of salt, and also offers trace minerals, such as iron, magnesium and calcium, but less potassium than Himalayan.

Kosher Salt

Nutritionally, kosher salt isn't all that different from table salt. The main difference is that it is a flaky, coarse-grain type of salt that is used to extract the blood from animals in the kosher tradition of meat slaughtering. It also dissolves well in food, so some people like it for this reason. Another plus is that it doesn't usually come with the artificial anti-caking agents that table salt does.

Sea Salt

Sea salt is simply evaporated sea water, and is mostly sodium chloride with very trace amounts of zinc, iron and potassium. However, if sea salt is harvested in polluted waters, it could also contain harmful heavy metals, so this is definitely a factor to be aware of. The mineral content of sea salt depends on where it was harvested, so it varies.

Regular (AKA Table) Salt

Regular salt is highly processed/refined and contains almost zero mineral content. Because it is so finely ground it contains artificial ingredients called anti-caking agents to prevent clumping, and iodine is often added. Studies show the addition of iodine to salt came about in times when iodine deficiency was common (and it still is in certain parts of the world), to combat this dangerous mineral deficit, but now, schoolchildren in 28 countries have excessive and potentially harmful iodine levels. A better solution is to include seaweed and sea vegetables in your regular diet, as this will provide plenty of iodine.

So, What's the Verdict?

It's fairly simple: eat whole foods instead of processed/packaged, and add moderate amounts of salt to your home-cooked meals. The differences are fairly small, but opt for one of the above-mentioned natural options as they don't include anti-caking agents or other potentially harmful additives, and choose Celtic if it is available, as this type of salt is highest in minerals.

If you follow these basic rules, there is no reason to fear salt in your diet.


Rachel Fiske, NC, CPT-NASM

Rachel is a Certified Holistic Nutrition Consultant and Certified Personal Trainer from the National Academy of Sports Medicine. She has also undergone training in Functional Medicine under Dr. Daniel Kalish. Rachel has worked both in her own private nutrition and fitness practice in San Francisco, California, as well as in the realm of public health with a nonprofit complementary medicine clinic for women with cancer in the bay area, and an integrative medicine NGO in Nicaragua, focusing specifically on diabetes prevention and support. She is passionate about bringing affordable, quality healthcare to all, and in her free time enjoys singing, getting outside and spending time with her family.

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Nice...I had not yet heard of Celtic salt, Thank you... I like to keep a few varieties on hand as they do tend to have subtle flavor differences.

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Glad you found something new. Just a couple of months ago the bottle pictured was the only variety of Celtic salt at Whole Foods, now it has several. It is gaining popularity.

In my house we have pink salt, kosher, celtic and swiss mountain salt.

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Have not heard of Swiss Mountain salt! Will have to look into it! Thank you!

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Well there used to be a Ocean covering Europe in ancient times, that is where the salt comes from. I call it Swiss Mountain salt but here it is just normal salt. I don't know of any specific luxury marketing campaign comparable to pink salt.

I feel very happy to upvote and follow you. Please help me upvote

Wow very interesting! I need to try Himalayan salt!

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Happy you like it! Thanks for the love!

I mostly use RealSalt which is sort of sea salt but entirely unrefined. Some people don't like the extra grit in it, but it doesn't bother me. Do you know anything about the healthfulness of that specifically?