mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
mSalt | Icelandic Flake Salt
Lisa
Lisa
★★★★★
"Best salt on earth. If you haven’t tried this salt, you’re MISSING out. Best quality of REAL salt there is. I’ll never use anything else!"

mSalt | Icelandic Flake Salt

Pure and mineral rich sea salt, sourced from the pristine waters of Iceland.

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100% Pure, Wild-Harvested Icelandic Geothermal Flake Salt. No fillers. No additives.

Add a pinch to your morning water, use as your everyday cooking salt, or dissolve in water before and after exercise.

Processed in a facility that may handle tree nuts. Consult your healthcare provider if pregnant or nursing.

Why you need it
Key ingredients
Supplement Facts
How To Use
Why this product
Most sea salt is refined down to sodium chloride. This isn't.
Standard processing removes everything except sodium. This product is unrefined — 60+ minerals in the ratios they naturally occur. Ionic minerals absorb directly through the gut lining.
"Plain water passes through. Mineral water stays. One pinch in your morning glass changes how your whole day starts."
— Charles Barber
mSalt | Icelandic Flake Salt
What's inside
Every mineral as nature arranged it
Magnesium chloride
The most bioavailable form of magnesium. Directly absorbed through the gut lining — no conversion required.
Potassium
Works alongside sodium to regulate fluid balance and nerve signals.
Calcium
In ionic form, calcium is readily absorbed. Supports bone density and muscle contraction.
60+ trace minerals
Including zinc, selenium, phosphorus, sulphur, and boron — all in trace amounts mirroring the human body.
Natural ionic form
Ionic minerals carry an electrical charge allowing direct cell absorption. This is how minerals work in nature.
Supplement facts
What you're getting, in full
Supplement facts
HOW TO USE
Easy to incorporate. Impossible to skip.
1
Morning water
A pinch in your first glass before coffee. This is when your body is most ready to absorb minerals.
2
In cooking
Use as your everyday salt. Every meal becomes part of the protocol without thinking about it.
3
Around exercise
Before and after training in water. Replaces what sweat takes, without a sports drink.
Suggested daily amount
¼ tsp per litre of water, or ½ tsp spread across food throughout the day.
What it does
Three things most people notice first
More consistent energy
Ionic minerals help cells hold water more effectively. Less dehydration means fewer energy swings.
Calmer nervous system
Magnesium and potassium both regulate nerve function. When adequately supplied, the nervous system is less reactive.
Better sleep
Magnesium plays a direct role in sleep regulation. Replacing it consistently changes the depth of sleep.
What sets mSalt | Icelandic Flake Salt apartmSalt | Icelandic Flake Salt apart
Not all salt is the same. Not even close.
Most sea salts are refined down to sodium chloride. mSalt is geothermal, unrefined, and third-party tested — so what's on the label is actually in the bag.
mSalt Generic
60+ trace minerals ✓ ✗
Geothermal source ✓ ✗
Zero microplastics ✓ ✗
Natural ionic ratios ✓ Partial
No heat processing ✓ ✗
Third-party COA available ✓ Rare
Where mSalt comes from
Geothermal springs in Iceland. No microplastics.
mSalt is harvested from geothermal springs in Iceland — one of the few remaining places on earth where mineral-rich water flows through ancient volcanic rock, naturally purified and free from ocean pollution.
We visit the source. We know the geography, the extraction method, and the people behind it. If we can't verify where something comes from, it doesn't go in a product.
Harvested: Iceland — geothermal origin
Processed: No heat, no refinement
Third-party tested: Every batch · COA on request
Zero microplastics confirmed
"I've added mSalt to my water every morning for over a decade. It's the simplest thing — and one of the most consistent habits I've built."
Charles Barber · Founder & Head Formulator
Crucial membership
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18 years of protocols, recipes, and guides.
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Locked in from your first order.
Common questions
About mSalt | Icelandic Flake Salt
What makes mSalt different from other salts?
+

mSalt is hand-harvested from pristine Icelandic waters, filtered down to 0.03 microns to remove microplastics and contaminants, and evaporated using 100% renewable geothermal energy. Unlike refined table salt, which is stripped of minerals and contains additives, or Himalayan salt, which can contain sedimentary impurities, mSalt retains a balanced mineral profile and is rigorously tested for purity.

Is mSalt tested for heavy metals and microplastics?
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Yes. Every batch undergoes independent third-party lab testing to ensure industry-leading low levels of heavy metals and zero microplastic contamination. You can download our Certificate of Analysis (COA) for full transparency.

Does mSalt contain iodine?
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No. mSalt is a natural sea salt with a clean, unaltered mineral composition. If you require additional iodine in your diet, we recommend the naturally iodine-rich Spirulina found in our mDaily Greens.

How much salt should I add to water?
+

For optimal hydration, add a small pinch (about 1/8 tsp) to an 8 oz glass of water. If using a salt brine (sole), start with 1 tsp per 8 oz of water. Adjust based on personal preference and needs.

Can I use mSalt in a grinder?
+

Yes! The delicate Icelandic flakes are perfect for grinding or used as a finishing salt without grinding.

How should I store mSalt?
+

Keep mSalt in an airtight container in a cool, dry place. If making a salt brine, store in a glass jar in the refrigerator for long-term use.

What’s the difference between mSalt and mMinerals?
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While both provide essential minerals, mSalt is a pure, naturally balanced sea salt, while mMinerals is a liquid blend designed for targeted mineral replenishment. Learn more in our blog post.

Is mSalt safe for pets?
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Yes, mSalt can be safely added to a pet’s water or food in small amounts, but always consult your vet for specific dietary recommendations.

Does mSalt affect blood pressure?
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Unlike refined table salt, mSalt provides a balanced mineral profile that supports hydration and electrolyte balance. However, if you have specific health conditions, consult your doctor before making dietary changes.

Where can I find the full mineral analysis of mSalt?
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You can download the full mineral profile and lab testing results by accessing our Certificate of Analysis (COA) here.