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mSalt Landing Page
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mSalt Landing Page
mSalt Landing Page

mSalt Landing Page$86.25 $114

Pack 8 oz

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  • Benefits

  • Ingredients

  • How to Use

  • How to Store

Why Icelandic Flake Salt?

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Safe for the Whole Family

From keeping kids hydrated to supporting seniors' joint health, mSalt is a simple, effective way to bring wholesome nutrition into your home. It’s safe, pure, and beneficial for all ages.

What makes this formula special

Bring Home the Best of Nature

Add mSalt to your pantry and experience the difference of clean, pure sea salt. It’s a small change that makes a big impact on your wellness.

mSalt | Icelandic Sea Salt Other Brands
Highest in Magnesium
Highest in Potassium
Tested for heavy metals
Gently harvested with naturally formed flakes
Geothermally processed
Zero carbon footprint
Added iodine
Microplastics
Magically delicious
Independently tested by third-party labs to guarantee exceptional purity, zero microplastics, and some of the lowest heavy metal levels in the industry.

Hi, I’m Charles Barber. Before I founded Crucial Four, I struggled with constant fatigue, brain fog, and a weakened immune system. I eventually discovered that refined salt—stripped of essential minerals—was quietly causing these issues.

That's why I created mSalt: a pure, mineral-rich sea salt harvested sustainably from pristine Icelandic waters. It made a huge difference in my life, improving my energy, clarity, and overall health.

At Crucial FOUR, if we can’t grow something ourselves, we source from trusted partners—real salt-of-the-earth people who share our values for purity, quality, and sustainability.

Charles Barber
Founder and Formulator
Crucial FOUR

Reviews from the CrucialFour Community

@havegoalswillketo

"I love Crucial FOUR's Icelandic Salt, not only is it tested for heavy metals and microplastics, it’s the tastiest, nutrient-dense salt I have ever had. I love adding a pinch in my water to keep my electrolytes balanced and be hydrated in the best way!"

@abbymchou

"As a mama of six, I’m always looking for easy ways to increase my energy and keep my family healthy — this Icelandic flake salt does both! My whole fam loves it! Even my 4-yr-old asks for the “icewandic sawt” at dinner time 😆😍"

@rachelkiperberg

"I developed preeclampsia with my first. During the pregnancy I was extremely undernourished. I limited protein limited salt and had no idea how important minerals are in order to support healthy thyroid health. This time around I have the privilege to focus on my preconception health prioritizing good salt local meats raw dairy/cheeses and lots of honey with seasonal fruits."

@alixbarthnutrition

"I have only been using Crucial FOUR for a couple of weeks now (sprinkle in water every AM), but can already tell a difference in less water retention and feeling more hydrated overall!"

@holistic_minded_chiro

"I learned about this salt through a fellow chiropractor who did research on the amounts of lead in different salts. This one was the most pure! I checked it out, loved the website, and now I add it to all my water and meals. I even use it in my morning smoothies!"

@dooonab

I love the clean crispness of the salt, and the unusual shape makes it easy to pinch from the salt bowl that I keep near the stovetop. The % of minerals though is why I bought it.

Frequently Asked Questions

7 Key Minerals

Na

Sodium 42.13%

Naturally abundant for proper fluid balance, nerve function, and cellular hydration without excess impurities.

Ca

Calcium 0.39%

Naturally abundant for proper fluid balance, nerve function, and cellular hydration without the excess impurities found in Himalayan salt.

Cl

Chloride 54.51%

Essential for digestion and electrolyte balance, naturally occurring without contaminants.

K

Potassium 0.44%

4x more potassium than Celtic salt, helping to regulate hydration, muscle function, and heart health.

Mg

Magnesium 1.79%

3x more magnesium than Celtic salt and significantly higher than Himalayan salt, critical for relaxation, muscle recovery, and energy metabolism.

S

Sulphur 0.74%

Naturally present, supports joint health, detoxification, and skin health.

Trace Minerals

Contains a full spectrum of essential trace minerals, including iron, zinc, copper, selenium, manganese, and chromium, ensuring superior nutrient density.

Our independently verified Certificate of Analysis (COA) confirms Crucial FOUR’s Icelandic mSalt provides superior mineral density compared to other salts. Rigorously tested by third-party laboratories globally to ensure purity, absence of microplastics, and industry-leading low levels of heavy metals.

EASILY EXPLORE OUR PRODUCT

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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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whole food supplements for whole body nourishment