8-in-1 Magnesium Complex

4.9/5 Based on 12,352 reviews

Fall asleep faster & stay asleep
Calms cortisol & daily stress
Ends brain fog & sugar cravings
Vegan, non-GMO & third-party tested

"This is the only Magnesium I recommend to my patients.

Dr. Lara Davis, MD - Family Medicine & Wellness Physician
"This thing is a miracle worker. My restless legs and cramping have gone away along with my migraines. I can finally sleep through the night."

Linda R., 46
"I've tried magnesium before, but this is the only one that cured my insomnia. It stopped my racing thoughts. I feel calm again."

Richard S., 47

Trusted by 90.000+ Happy Customers

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90-Day Money Back Guarante

How to Take

Take just 1-2 capsule every night with a meal and a full glass of water.

Tip: For best results, most users take 2 capsules daily, one with lunch and one with dinner.

Do not exceed 3 capsules per day.

Use the flexible grid system to create any layout. Each block can be placed in any of the columns.

Shipping Information

We ship to all regions nationwide. Our average delivery time is 5 - 7 working days.

All orders are shipped with a tracking number.

Use the flexible grid system to create any layout. Each block can be placed in any of the columns.

Our Guarantee

Your order is 100% covered by our 90-day money-back guarantee.

If you're not satisfied, just let us know. We'll refund your order in full — no questions asked.

Use the flexible grid system to create any layout. Each block can be placed in any of the columns.

View full details

Real Magnesium, Real Results

I've been taking magnesium for years — usually the cheap effervescent tablets from the drugstore — and I honestly thought all magnesium was the same useless story. After three weeks of Fitmi I'm sleeping through the night, no more waking at 3:30 AM staring at the ceiling. The capsules are also supper easy to swallow.
Sabine K
I train 5x a week, sit in an office all day, and have two small kids — calf cramps at night were ruining what little sleep I had. My trainer told me single-form magnesium (especially the cheap oxide stuff) is basically useless and that I needed a proper multi-form complex. Already on my second bottle of FITMI and recommending it to colleagues.
Markus T
I'll be honest — I felt absolutely nothing in the first three days and almost packed it up to return. Glad I didn't. Somewhere around day 10 I started waking up more rested, less of that heavy, dragging feeling. It's not a wonder pill, but it's the real thing. Really worth it. So happy to see my muscle pain and bad sleep go away.
Andrea W
I'm a retired pharmacist and I bought it specifically to check the formulation. Eight different magnesium forms, no magnesium stearate, no useless fillers, properly EU-compliant labeling — exactly what I used to recommend to customers when I was still at the counter. The dosage is sensible and not the kind of inflated "1000mg" nonsense you see on Amazon. This is now my personal standard.
Thomas R
I'm 51, deep in menopause, working full-time with two teenage sons at home. My sleep had completely collapsed and I'd tried everything from herbal to hormonal, plus magnesium from every drugstore chain you can name. FITMI is the first thing in two years that's actually let me sleep through the night again — it took about 10 days to kick in. What I appreciate most is that the marketing doesn't promise things it can't deliver.
Petra H
Package arrived in four days, properly packed, with a small handwritten thank-you card — a tiny gesture that genuinely stuck with me. I had a question about timing because I work rotating shifts, and I got a thoughtful reply the same day from an actual person, not a chatbot. That alone earned them 5 stars in my book. The product itself is also excellent, but it's also the customer service worth mentioning.
Daniel B

We surveyed daily users, here are the results:

91%

said they were falling asleep faster and staying asleep longer

87%

felt more energized throughout the day without needing caffeine

93%

noticed their body felt fully relaxed with no tightness by the end of the day

88%

reported being more productive and focused

*Based on internal customer survey of 1,200 verified Fitmi users.

The Only Magnesium Formula That Actually Works

Unlike other Magnesium supplements that your body couldn't absorb, this formula gives you the 8 most important forms of Magnesium—in the purest quality and right amounts your body needs.

It's complete, bioavailable, and does all the work without needing a cabinet full of pills.

		Other Brands
8 Forms of Magnesium
Clinically Dosed
Sleep, Energy, Heart, Digestion & Bone Support
High Absorption Rate
Natural and Filler-Free Formula
1 Capsule a Day

4.6

Lisa F

Verified

Regular magnesium citrate completely destroys my digestive system — diarrhea within hours every time. FITMI's bisglycinate base means zero issues for me, six weeks in and not a single problem. I can finally actually absorb what I'm taking instead of running to the bathroom. This is exactly what people with sensitive stomachs have been looking for.

Werner G

Verified

I take blood pressure medication, so I showed my cardiologist the ingredient list before ordering — he genuinely praised the formulation and mentioned the magnesium taurate as particularly sensible for cardiovascular patients. Been taking it two months and I feel more stable overall, less of those random "off" days. I've started recommending it at my sports club where most of us are over 60. It feels good to find something a real doctor approves of.

Julia S

Verified

One star off purely for the patience this requires. The first week I felt absolutely nothing and was convinced I'd thrown my money away. From around day 10 things clearly shifted, and after four weeks I'm noticeably calmer and sleeping deeper. FITMI should communicate this timeline more openly — a lot of people will quit before it actually starts working.

Florian K

Verified

I never buy anything from Instagram ads on principle — I find most of it dishonest. Honestly only ordered FITMI because my girlfriend kept pushing me, and I'll admit I rolled my eyes the whole way to checkout. Two months later I'm the one reordering, my "brain fog" mornings are gone, and my evenings feel actually calm for the first time in years.

Stefan W

Verified

I'm running 80+ kilometers a week prepping for the Berlin Marathon and recovery had become my biggest bottleneck — my legs felt like concrete every morning. Since starting FITMI my legs feel genuinely fresher when I wake up, and the post-long-run heaviness clears much faster. I've compared notes with other runners in my club and several have already switched over. For recovery this is a no-brainer.

Carolin E

Verified

The parcel arrived in recycled cardboard with zero plastic film, and the bottle itself is also designed sustainably — no triple-wrapped marketing greenwashing here. I'm extremely sensitive about this because most brands claim "nachhaltig" and then ship like they own a plastic factory. The product itself works too — I've been sleeping noticeably better since week two. Honest brand on every level.

Beate R

Verified

I've cycled through Doppelherz, Abtei, Pure Encapsulations, Sunday Natural — you name it, I've tried it. FITMI sits price-wise between the mid-range drugstore brands and the premium pharmacy ones, but the quality feels firmly in the premium tier. Three months in and I have zero interest in switching back. This is the one that finally made me stop searching.

Marko D

Verified

I work in healthcare with rotating shifts and my sleep was a constant disaster — early shifts, night shifts, weekend chaos. I take the capsules 30 minutes before whenever I'm trying to sleep, regardless of the time of day, and it actually works. No groggy "morning after" feeling like with sleeping pills, just genuinely more relaxed. Anyone working shifts knows how rare that is.

Heike P

Verified

What I genuinely appreciate is that the capsules have no aftertaste and no fishy burping like some other magnesium products give you. I take them daily without thinking about it. The effect is real but subtle — don't expect a thunderclap. My only wish is for a 180-count bottle option for those of us who'd rather buy in bulk and save the reorder hass

Anna L

Verified

I'm a naturally anxious person — always tense, jaw clenched, shoulders up by my ears. My naturopath said I needed magnesium in multiple forms, not just the one type I'd been taking. Three weeks into FITMI and I noticed during a meeting that my jaw was completely relaxed for the first time in months. That small physical change has done more for my mental state than I can describe.

Robert H

Verified

Very good product.

Christian B

Verified

I'm 43, constantly exhausted, and was convinced something serious was wrong — maybe my testosterone was tanking. Blood test came back showing magnesium in the lower normal range, which my doctor said was too low for someone training hard with my stress levels. Six weeks on FITMI and the difference is clear: more energy, better focus, fewer crashes in the afternoon. I'm sticking with this long-term.

Tobias N

Verified

I'm deep into biohacking and normally stack specific magnesium forms depending on the goal — threonate for cognition, glycinate for sleep, malate for energy. For people who want one solid all-in-one magnesium without the rabbit hole, FITMI is genuinely excellent. For my own use case I'll keep mixing individually, hence three stars from me personally. Objectively though, the formulation is clean and serious.

Vanessa K

Verified

Important note first: I cleared it with my OB-GYN before taking anything, and I strongly recommend every pregnant woman do the same. She reviewed the ingredients, approved it, and since then my nightmare nighttime calf cramps in month seven have completely stopped. Those cramps had been destroying my sleep and my sanity. I genuinely don't know how I would've gotten through the third trimester without this.

Lukas V

Verified

I'm a working student writing my master's thesis and still trying to train at the gym — basically running on empty for months. My mum (who's a GP) gave me FITMI after personally vetting the ingredients, otherwise I would've assumed it was just another Instagram supplement scam. Two weeks in and the "head full of cotton wool" feeling I'd been dragging around just lifted. Now reordering on my own dime.

Ingrid S

Verified

At my age, sleep quality is everything — and the pharmacy magnesium brands I'd been using were loaded with additives and binding agents I didn't want anywhere near my body. FITMI is clean, transparently labeled, properly dosed, and my sleep got noticeably deeper after about three weeks. My husband is now taking it too on my recommendation. It feels good knowing exactly what I'm putting into my body.

Manuel F

Verified

I don't want to overpromise because everyone is different, but the frequency of my tension headaches has dropped dramatically since I started taking this regularly. I was getting them 2–3 times a week, now it's maybe once every ten days. My doctor confirmed that magnesium can genuinely help with tension-type headaches, especially the magnesium forms in this complex. Life-changing for me personally.

Jennifer Walker

Verified

Top-tier skincare that produces visible results. My skin feels nourished and looks radiant.

Bernd Z

Verified

My husband had been raving about FITMI for three months and I kept dismissing it as "another miracle pill phase" of his. I finally caved out of curiosity and ordered a bottle to prove him wrong. Three weeks later I have to publicly admit I was wrong — I'm sleeping deeper, waking less irritable, and my afternoon energy crashes have softened. Now we're both on subscription.

Niklas O

Verified

I play tennis in a competitive club and one of our teammates — who happens to be a physiotherapist — put me onto FITMI a couple months ago. Recovery between training sessions and matches has clearly improved, especially during tournament weekends. Two matches in a weekend used to wreck me for three days, now I'm bouncing back the next day. Several of my teammates have already switched over too.

Katja R

Verified

I took the cheap supermarket magnesium for literally years, convinced I just didn't respond well to magnesium in general. Only after trying FITMI did I realize what a proper multi-form formulation actually feels like in your body. I'm never going back to the cheap stuff, it's a complete waste of money in comparison. Is FITMI worth the higher price? For me, the answer is unambiguously yes.

Hannes L

Verified

What sets FITMI apart for me isn't just the product, it's the transparent online shop with proper company information clearly listed, which sadly is not a given in the supplement space anymore (especially with all the dropshipping garbage out there). Eight weeks in, my sleep is genuinely better and I'm handling work stress without falling apart at the end of each week. Solid product, honest brand, real company. Clear recommendation.

Miriam B

Verified

I've been in therapy for burnout for almost a year and my therapist had been telling me to look into magnesium for ages, I kept brushing it off because I didn't believe a supplement could touch what I was going through. After six weeks on FITMI, she was the one who pointed out that I seemed more grounded in our sessions, less wired underneath the surface. That hit me hard because she'd been seeing me weekly and would notice the smallest shift. It's not a replacement for therapy, obviously, but it's clearly doing something for my nervous system.

Sebastian K

Verified

Originally ordered FITMI for my dad — he's 67, retired, dealing with restless legs and bad sleep, and he refuses to take anything that isn't seriously formulated. He's been on it for two months and his nightly leg restlessness has dropped massively, which alone made the purchase worth it. What I didn't expect was that I'd end up stealing capsules from his bottle and ordering my own — my recovery from gym sessions improved within three weeks. Now we both reorder together every month, kind of a father-son thing now.

Katharina M

Verified

I'm on a plane almost every other week for work and the combination of jet lag, hotel mattresses, and back-to-back meetings was completely wrecking my body. FITMI now lives in my carry-on permanently — the bottle is solid enough to survive being thrown around in luggage, and the capsules don't melt or get weird in different climates like some products do. My sleep on hotel nights has gone from a 4/10 to a genuine 7/10, which for a frequent traveler is the difference between functioning and surviving. Small thing that's had an outsized impact on my week.

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8-in-1 Magnesium Complex