Hand-harvested in Iceland, independently lab-tested, and naturally rich in trace minerals - mSalt is a simple upgrade to something you already use every day.
There's one ingredient you almost certainly use every single day. It's in your cooking, your snacks, the food you grab on the go, and for a lot of people, even their water.
Your salt.
Yet most of us have never stopped to ask where it came from, how it was processed, or what might still be inside it.
Because the truth is, not all salt is created equal.
The source, the harvesting method, the level of processing, and whether anyone has actually tested it can make a remarkable difference. Some salts can carry contaminants you would never knowingly choose to consume.
That is why more people are taking a closer look at one of the most overlooked staples in their kitchen, and making the switch to mSalt.
Here are three reasons why.
You Deserve To Know What’s Actually In Your Salt.
Many salts are marketed as “natural” or “ancient,” relying on imagery and origin stories to build trust.
But there is one question few brands answer:
Have they actually tested what’s in the bag?
Independent testing has shown that some popular salts can contain measurable levels of contaminants, including heavy metals or microplastics, depending on how and where they are sourced.
Sources: Fahmida et al., 2024 (Himalayan lead); independent lab testing of Celtic sea salt, 2023-2024; Kim et al., 2018 (table salt microplastics).
While no one can avoid every environmental contaminant, your salt is one area where you can make a more informed choice.
mSalt takes a different approach from the beginning.
It starts in the remote waters surrounding Iceland, where seawater naturally filters through ancient volcanic rock before it is ever harvested. The water then undergoes an additional microfiltration process designed to remove particles down to 0.03 microns.
Step 1:
Pristine Icelandic seawater enters volcanic rock formation.
Step 2:
Natural filtration through ancient volcanic layers.
Step 3:
Secondary microfiltration down to 0.03 microns.
Every batch is then independently tested to USP standards, with Certificates of Analysis made publicly available. Heavy metals including arsenic, lead, cadmium, and mercury are reported as not detected, and every tested batch has shown zero detectable microplastics.
Instead of asking you to trust the label, we simply show you the results.
Because once you know what isn’t in your salt, the next question naturally becomes: what is?
Third-party tested, every batch, with the full Certificate of Analysis published for anyone to read.
Zero detectable heavy metals. Zero microplastics.
Stop Seasoning With Contaminants.
Hydration Is About More Than Water Alone
Most people know they should drink more water.
But hydration is not only about the amount you drink. It’s also about whether your body can effectively use and retain it. That process relies on electrolytes and trace minerals like sodium, magnesium, and potassium.
The challenge is that much of today’s filtered and purified water has had many naturally occurring minerals removed during treatment.
At the same time, coffee, exercise, and everyday life can all increase the body’s demand for fluids and electrolytes.
Many people try to bridge that gap with powders and drink mixes, but these often rely on isolated, manufactured ingredients and can become another expensive supplement to remember each day.
mSalt offers a different approach.
Harvested directly from Icelandic seawater, it naturally contains 84 trace minerals and elements, including significantly higher levels of magnesium and potassium than many other popular sea salts.
Source: Massey & Whiting, 1993 (coffee diuretic effect). Costs are typical estimates.
Source: Independent Third-Party Certificate of Analysis
Adding a small pinch to your morning water or using it throughout the day is a simple way to put some of those naturally occurring minerals back into your daily routine.
It is not about replacing a healthy lifestyle. It is about making the everyday habits you already have work a little harder for you.
84 naturally occurring minerals from Icelandic seawater.
A Simple Way To Add More Back To Your Daily Routine.
The Healthiest Changes Are Often The Simplest
Most wellness routines become complicated.
A growing collection of supplements. Powders. Capsules. Protocols. Another bottle to order and another habit to remember.
mSalt was never designed to be one more thing on that list.
You are already seasoning your food. You are already drinking water. The only difference is choosing a salt that delivers more than just sodium chloride.
It’s a quality upgrade to something you already do, multiple times a day.
And that simple idea is exactly how mSalt began.
Charles Barber Wasn't Trying To Start A Salt Company
He was just trying to feel better.
For years, founder and registered holistic health practitioner, Charles dealt with low energy and a foggy head that no amount of effort seemed to shift.
So he started paying closer attention to the everyday things he had never questioned. His food. His water. And eventually, his salt.
What he found surprised him. Most modern salt has been processed down to little more than sodium chloride, with most of its natural minerals stripped out along the way. He wanted the opposite, a salt that still held everything the sea originally put in it.
That search led him to Iceland, where the water filters through volcanic rock in one of the cleanest marine environments left on earth. He sent samples to independent labs on three continents, and the results came back better than he had hoped.
"I searched the world for the purest sea salt I could find. I found it in Iceland."
Charles Barber, Founder of Crucial Four
That salt is mSalt.
Today, thousands of customers have made the same simple swap.
What People Are Saying
"I've been through every salt on the market. Celtic, Himalayan, Redmond, you name it. This one is by far my favorite and it's not even close. The taste alone sets it apart, but knowing it actually supports my mineral levels makes it a must have in my wellness stack."
"Best salt on earth. I don't say that lightly. If you haven't tried this salt, you're missing out. Best quality of real salt there is and I'll never use anything else."
"Everyone should be using this salt for optimal health. Salt is not bad for you. This salt is premium and I use it every single day."
A cleaner salt you can actually verify, with the minerals most salts leave behind, and nothing new to learn.
In stock now and backed by a 30-day guarantee.
Feel The Difference One Pinch Makes.
Three Simple Ways To Use mSalt
You don’t need a complicated protocol to get started.
Step 1:
MORNING WATER:
Add a pinch to your morning water.
A simple way to add naturally occurring minerals back into purified water.
Step 2:
ON YOUR FOOD:
Use it exactly as you would any other salt.
Eggs, vegetables, meat, salads, soups, mSalt is designed for everyday cooking and seasoning.
Step 3:
SOLE, FOR A BIGGER MINERAL BOOST:
Make a sole mineral concentrate.
Mix one-third cup of mSalt with two-thirds cup filtered water in a glass jar. Let it sit for 12–24 hours, then add a small amount of the mineral-rich brine to your daily water.
That’s it.
mSalt | Icelandic Flake Salt
What You're Getting:
✔ Pure Icelandic sea salt, hand-harvested from North Atlantic waters
✔ 84 naturally occurring minerals and trace elements
✔ 3x more magnesium and 4x more potassium than Celtic salt
✔ Zero detectable heavy metals (arsenic, cadmium, lead, mercury)
✔ Zero microplastics detected
✔ Third-party verified Certificate of Analysis
✔ 100% geothermal processing, zero carbon footprint
✔ Delicate flake texture for cooking, water, or sole
Choose Your Size:
4 oz (5 to 10 day supply):
$15 (or $14/month for members)
8 oz (10 to 15 day supply):
$27 (or $24/month for members)
1 lb (15 to 30 day supply):
$54 (or $49/month for members)
BECOME A CRUCIAL FOUR MEMBER
Become a member and get more than the salt: Members pay the lower price on every order and get a stack of extras worth over $400 a month.
✔ Member pricing on every order
✔ Free samples and mystery gifts ($30/month value)
✔ The exclusive mSalt protocol on CORE Wellness Center ($97/month value)
✔ A monthly wellness Q&A with the coaching team ($250/month value)
✔ Detox, cleanse, and protocol guides
✔ Members ship first, so you are never caught out of stock
✔ Free shipping over $140
✔ Cancel anytime. No contracts.a
✔ Free shipping over $140.
✔ 30-Day Satisfaction Guarantee ✔ HSA/FSA eligible, save an average of 30% ✔ Ships to the US in 4 to 5 days
✔ Free shipping over $140.
✔ 30-Day Satisfaction Guarantee
✔ HSA/FSA eligible, save an average of 30%
✔ Ships to the US in 4 to 5 days
Don't Just Take Our Word For It
“Hands down the best salt I have ever tasted. The texture is almost like putting a piece of my favorite candy in my mouth. I put it in my water, on my salads with a little olive oil, and even in my coffee. It's a small bag but it's mighty, and I think it's a great value for what you get.”
"We absolutely love mSalt. I use a pinch or two in my water throughout the day and I cook with it too. It's perfect in every way, and I genuinely believe it's better than any other salt we've tried."
"I originally bought this just to mix into my morning water, but I liked it so much that I started cooking with it too. Now I use it on everything."
"I was using Celtic salt for years and thought that was the best I could do. Then I tried this and I'm never going back. You can feel the difference and you can taste it. It's not even close."
"As a mama of six, I'm always looking for easy ways to keep my energy up and keep my family healthy at the same time. This salt does both. Even my four-year-old asks for the 'icewandic sawt' at dinner."
"Clean, great tasting, and it actually works. Exactly what they say it is. No gimmicks."
Join The Thousands Of People Who Have Made The Switch To A Cleaner, Independently Tested Sea Salt.
1,300+ verified reviews. 84 naturally occurring minerals. Third-party tested purity.
30-Day Satisfaction Guarantee
Try mSalt for 30 days. If it is not the right fit for you, we’ll make it right.
Fast US shipping, free delivery on qualifying orders, and backed by the Crucial Four commitment to quality.
Research Referenced:
- Heavy metals in Himalayan salt: Fahmida et al., Journal of Food Composition and Analysis, 2024. https://doi.org/10.1016/j.jfca.2024.106010
- Lead in Celtic sea salt: independent laboratory testing, 2023-2024.
- Microplastics in table salt: Kim et al., Environmental Science and Technology, 2018. https://doi.org/10.1021/acs.est.8b04180
- Coffee as a diuretic: Massey and Whiting, Journal of Nutrition, 1993. https://doi.org/10.1093/jn/123.9.1611
- mSalt Certificate of Analysis: independent third-party USP lab testing confirming Not Detected for arsenic, cadmium, lead, and mercury, zero microplastics, and 3x magnesium and 4x potassium density versus Celtic sea salt.
© 2026 Crucial Four. All Rights Reserved.
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.