Garantía de 60 días +75,349 clientes felices
  • Sueño profundo
  • Menos estrés y cortisol
  • Adiós a los calambres
  • Menos hinchazón
  • Más energía real
  • Claridad mental
  • Músculos relajados
  • Menos antojos
  • 8 formas de magnesio
  • Máxima absorción

Guía de Nutrición

Guía de Nutrición

4.9/5 basado en 75,349 reseñas verificadas
  • Duerme rápido y toda la noche
  • Calma el cortisol y el estrés diario
  • Adiós a la niebla mental y los antojos
  • Vegano, sin transgénicos, probado en lab

Trusted by 90,000+ happy customers

93% Vendido

check_circle
60-day money-back guarantee

Simply take 1–2 capsules daily with a meal and a full glass of water.

Tip: For best results, most users take 2 capsules daily — one at midday, one in the evening.

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.

We ship within the DACH region. The average delivery time is 5–7 business days.

All orders are shipped with tracking.

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

Your order is 100% covered by our 30-day money-back guarantee.

If you're not satisfied, just let us know. We'll refund your entire order — 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 now—mostly the cheap effervescent tablets from the drugstore—and honestly thought all magnesium was the same useless stuff. After three weeks of FITMI, I’m sleeping through the night, no more waking up at 3:30 AM and staring at the ceiling. The capsules are also super easy to swallow.

      Gabriela M

    • I train 5x a week, sit in an office all day, and have two small children—night-time calf cramps ruined the little sleep I got. My trainer told me single-form magnesium (especially the cheap oxide) was practically useless and I needed a proper multi-form complex. I'm already on my second bottle of FITMI and recommend it to my colleagues.

      Luis R.

    • I'll be honest — the first three days I felt absolutely nothing and almost sent it back. Good thing I didn't. Around day 10, I started waking up feeling more rested, with less of that heavy, tired feeling. It's not a magic pill, but it's the real deal. Truly worthwhile. So glad my muscle aches and poor sleep are disappearing.

      Carmen S

    • I am a retired pharmacist and bought it specifically to check the formula. Eight different magnesium forms, no magnesium stearate, no useless fillers, correct EU-compliant labeling — exactly what I used to recommend to my customers when I was behind the counter. The dosage is sensible and not the inflated "1000 mg" nonsense you see on Amazon. This is now my personal standard.

      Roberto V.

    • I'm 51, in the middle of menopause, working full-time with two teenage sons at home. My sleep had completely broken down, and I had tried everything from herbal remedies to hormones, plus magnesium from every drugstore chain you could name. FITMI is the first thing in two years that has actually allowed me to sleep through the night again—it took about 10 days to start working. What I appreciate most: The marketing doesn't promise anything it can't deliver.

      Patricia G.

    • The package arrived in four days, neatly packed, with a small handwritten thank you note — a small gesture that really stuck with me. I had a question about timing because I work shifts and received a thoughtful response from a real person, not a chatbot, the same day. That alone earned them 5 stars from me. The product itself is excellent too, but the customer service is also worth mentioning.

      Daniel B.

      We surveyed daily users – these are the results:

      91%

      said they fell asleep faster and slept longer

      87%

      felt more energized throughout the day — without caffeine

      93%

      noticed that their body felt completely relaxed and free of tension at the end of the day

      88%

      reported feeling more productive and focused

      Based on an internal customer survey of 1,200 verified FITMI users.

      The only magnesium formula that really works

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

      It is complete, bioavailable, and does all the work — without a cabinet full of pills.

        Otras marcas
      8 Forms of Magnesium
      Clinically Dosed
      Support for Sleep, Energy, Heart, Digestion & Bones
      High Admission Rate
      Natural & Filler-Free Formula
      1 capsule daily
      4.9
      Lucía F.
      Verified
      Normal magnesium citrate completely destroys my digestion — diarrhea within hours, every single time. FITMI's bisglycinate base means zero problems for me, six weeks in and not a single issue. I can finally actually absorb what I'm taking instead of constantly running to the toilet. Exactly what people with sensitive stomachs have been looking for.
      Review image
      Guillermo G.
      Verified
      I take blood pressure medication, so I showed the ingredient list to my cardiologist before ordering — he really praised the formula and mentioned the magnesium taurate as particularly beneficial for cardiovascular patients. I've been taking it for two months and feel more stable overall, with fewer of those random "bad" days. I've started recommending it at my sports club, where most of us are over 60. It's a good feeling to find something that a real doctor approves of.
      Review image
      Julia S.
      Verified
      One star deduction solely due to the patience it requires. In the first week, I felt absolutely nothing and was convinced I had thrown my money out the window. From about day 10, something clearly changed, and after four weeks, I am noticeably calmer and sleep more deeply. FITMI should communicate this timeframe more openly—many people give up before it even starts to work.
      Review image
      Fernando C.
      Verified
      I have a strict policy against buying anything through Instagram ads—I find most of them disreputable. Honestly, I only ordered FITMI because my friend wouldn't let up, and I admit I was rolling my eyes all the way to checkout. Two months later, I'm the one reordering, my "brain-fog" mornings are gone, and my evenings feel truly calm for the first time in years.
      Review image
      Esteban M.
      Verified
      I'm running over 80 kilometers a week in preparation for the Berlin Marathon, and recovery had become my biggest bottleneck – my legs felt like concrete every morning. Since I started taking FITMI, my legs truly feel fresher when I wake up, and the heaviness after long runs subsides much faster. I've spoken with other runners in my club, and several have already switched. For recovery, it's a no-brainer.
      Review image
      Carolina E.
      Verified
      The package arrived in recycled cardboard without plastic film, and the bottle itself is also sustainably designed — no triple-wrapped marketing greenwashing. I am extremely sensitive about this because most brands claim to be "sustainable" and then package their products as if they owned a plastic factory. The product also works — I've been sleeping noticeably better since week two. An honest brand on all levels.
      Review image
      Beat R
      Verified
      I've tried Doppelherz, Abtei, Pure Encapsulations, Sunday Natural — you name it, I've tried it. FITMI is priced between the mid-range drugstore brands and the premium pharmacy products, but the quality clearly feels premium. Three months in, and I have zero interest in switching back. This is the product that finally made me stop searching.
      Review image
      Marco D.
      Verified
      I work in healthcare in shifts, and my sleep was a constant disaster – early shifts, night shifts, weekend chaos. I take the capsules 30 minutes before I try to sleep, no matter what time it is, 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.
      Helena P.
      Verified
      What I really appreciate: The capsules have no aftertaste and no fishy burps like some other magnesium products. I take them daily without a second thought. The effect is real but subtle – don't expect a sudden dramatic change. My only wish would be a 180-capsule pack for those who prefer to buy in bulk and save themselves the hassle of reordering.
      Anna L.
      Verified
      I’m a naturally anxious person — always tense, jaw clenched, shoulders to my ears. My naturopath said I needed magnesium in multiple forms, not just the one I was taking. Three weeks into FITMI, I noticed in a meeting that my jaw was completely relaxed for the first time in months. That small physical change has done more for my state of mind than I can describe.
      Rafael H.
      Verified
      Very good product.
      Cristian B.
      Verified
      I'm 43, constantly exhausted, and was convinced something serious was wrong—maybe my testosterone was through the floor. My blood test showed magnesium at the lower end of the normal range, which, according to my doctor, was too low for someone training hard with my stress levels. Six weeks of FITMI, and the difference is clear: more energy, better focus, fewer afternoon slumps. I'm sticking with it long-term.
      Tomás N.
      Verified
      I'm heavily into biohacking and typically combine specific magnesium forms depending on the goal — threonate for cognition, glycinate for sleep, malate for energy. For people who want a solid all-in-one magnesium without all the fuss, FITMI is truly excellent. For my own use case, I'll continue to mix individually, so I personally give it three stars. Objectively, however, the formula is clean and reputable.
      Vanesa K.
      Verified
      Important note first: I cleared it with my gynecologist before taking it and strongly recommend that every pregnant woman do the same. She checked and approved the ingredients, and since then, my nightmare-like nocturnal leg cramps in the seventh month have completely disappeared. These cramps had ruined my sleep and my sanity. I honestly don't know how I would have gotten through the third trimester without this.
      Lucas V.
      Verified
      I'm a working student, writing my master's thesis, and still trying to hit the gym — basically running on fumes for months. My mom (who's a GP) gave me FITMI after personally checking the ingredients; otherwise, I would've assumed it was just another Instagram supplement scam. Two weeks in, and that "head full of cotton" feeling I'd been carrying around was just gone. Now I'm reordering it at my own expense.
      Inés S.
      Verified
      At my age, sleep quality is everything – and the pharmacy magnesium brands I had been using were full of fillers and binders that I didn't want in my body. FITMI is clean, transparently labeled, properly dosed, and my sleep became noticeably deeper after about three weeks. My husband is now taking it too, on my recommendation. It's a good feeling to know exactly what I'm putting into my body.
      Manuel F
      Verified
      I don't want to make any promises, as everyone is different, but the frequency of my tension headaches has dramatically decreased since I started taking this regularly. I used to have them 2–3 times a week; now it's maybe once every ten days. My doctor confirmed that magnesium can indeed help with tension headaches, especially the forms of magnesium in this complex. For me personally, it has been life-changing.
      Jenifer W.
      Verified
      Very good product
      Bernardo Z.
      Verified
      My husband raved about FITMI for three months, and I always dismissed it as "another one of his miracle pill phases." Finally, out of curiosity, I gave in and ordered a bottle, intending to prove him wrong. Three weeks later, I must publicly admit that I was wrong—I sleep deeper, wake up less irritable, and my afternoon energy crashes have become milder. Now we are both on subscription.
      Nicolás O.
      Verified
      I play tennis in a competitive club, and one of our teammates—who happens to be a physical therapist—introduced me to FITMI a few months ago. My recovery between training sessions and matches has significantly improved, especially on tournament weekends. Two matches on a weekend used to wipe me out for three days, but now I'm back on my feet the next day. Several of my teammates have already switched over as well.
      Katia R.
      Verified
      I literally took cheap supermarket magnesium for years, convinced that I generally just don't respond well to magnesium. Only after trying FITMI did I realize what a proper multi-form formula actually feels like in the body. I'm never going back to the cheap stuff; in comparison, it's a complete waste of money. Is FITMI worth the higher price? For me, the answer is clearly yes.
      Hugo L.
      Verified
      What sets FITMI apart for me is not just the product, but the transparent online shop with clearly listed company information, which, unfortunately, is no longer a given in the supplement industry (especially with all the dropshipping junk out there). After eight weeks, my sleep is genuinely better, and I manage work stress without collapsing 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 long advised me to look into magnesium. I always dismissed it, not believing a supplement could touch what I was going through. After six weeks of FITMI, she was the one who noted I seemed more grounded in our sessions, less agitated beneath the surface. That hit me, because she saw me weekly and would notice the slightest shift. It's obviously not a replacement for therapy, but it clearly does something for my nervous system.
      Sebastián K.
      Verified
      I initially ordered FITMI for my father – he's 67, retired, struggles with restless legs and poor sleep, and refuses to take anything not seriously formulated. He's been taking it for two months, and his nocturnal leg restlessness has massively decreased, which alone made it worth the purchase. What I didn't expect: I ended up snagging capsules from his bottle myself and ordering my own – my post-workout recovery improved within three weeks. Now we both reorder together every month, it's become a father-son thing.
      Catalina M.
      Verified
      I'm on a plane for work almost every other week, and the combination of jet lag, hotel mattresses, and back-to-back meetings has completely ruined my body. FITMI now lives permanently in my carry-on—the bottle is sturdy enough to be tossed around in a suitcase, and the capsules don't melt or get weird in different climates like some other products. My sleep on hotel nights has gone from a 4/10 to a genuine 7/10, which for a frequent traveler makes the difference between functioning and merely surviving. A small thing with a disproportionately large impact on my week.