F-BRN Komplex Review – Does This Fat Burner Work? (2021!)

F-BRN Komplex Review - Does This Fat Burner by GetFit Fitness Work?

*Updated in November 2021

F-BRN Komplex Review: In this review, we’ll see if F-BRN Komplex can give you more energy, boost the metabolic rate, curb food cravings, and generally make weight loss an easier process, among others!

At the moment, you can only get F-BRN Komplex on the GetFit Fitness website. The good news is, it ships to the UK, Germany, the Netherlands, and the rest of the world!

F-BRN Komplex will set you back by £29.00 when on discount, which is a fair price for most fat burners.

In terms of benefits, F-BRN Komplex is said to help you:

  • Boost fat breakdown
  • Increase the metabolic rate
  • Suppress appetite & hunger

You may ask, what makes F-BRN Komplex different from the masses of fat burner pills out there? It can be really hard to find a product that works nowadays, not least because they’re so many options available – many of which are total garbage.

We set out to inspect F-BRN Komplex’s formula and test it for ourselves to see if the manufacturer’s claims hold up. Starting with a simple review summary!

F-BRN Komplex Simplified

So, what’s our opinion on F-BRN Komplex?

We’ve found it to be a decent product, but not quite as good as the marketing hype made it out to be.

To begin on a positive note, F-BRN Komplex is completely transparent so you know what, and how much, you’re putting in your body.

Fat burners that actually work all have a few things in common, and one of them are ingredients that are proven to burn fat or suppress appetite – including chromium, cayenne pepper, and Glucomannan. F-BRN Komplex doesn’t have any of these.

It is a really cheap fat burner, though, and you get 3 servings per day (1 capsules before each meal), so it’s not the worst product we’ve reviewed. But if you’re serious about weight loss, then we’d consider a more serious fat burner in this case!


  • Green tea has catechins that will support your metabolism (study)
  • Stim-free, great if you don’t like the caffeine kick
  • The price is often on discount from £59 to £29 per bottle


  • Garcinia Cambogia is hard on the liver at the doses that are found in F-BRN Komplex (source)
  • An incomplete formula that’s missing an appetite suppressant
  • The manufacturer deletes negative comments off their website
  • Mia, one of our team members, didn’t experience any effects (positive and negative) while on it.

Looking for fat burners that work?


How Does F-BRN Komplex Work?

F-BRN Komplex claims to offer multi-pronged approach to weight loss:

  1. Increases thermogenesis
  2. Suppresses appetite
  3. Reduces carbohydrate cravings
  4. Boosts fat utilization without using stimulants

If you’re curious, the term ‘thermogenesis’ involves a process where your core body temperature rises. This puts your metabolic rate into high gear as the body tries to keep itself cool. Ultimately, leading to a slight calorie loss over the course of the day.

Sounds good – but how accurate are the claims of F-BRN Komplex? Let’s check the ingredients to find out.

F-BRN Komplex: The Ingredients

There are only 4 ingredients in the F-BRN Komplex formula. The good thing is that they’re all transparently shown on the label, so you can see their doses and how much you’re taking.

Here’s a closer look:

1. Green Tea Extract (300mg)

Thermogenic ingredient. Has very little caffeine and is virtually stim-free.

Green Tea extract helps to boost hormones like noradrenaline and adrenaline. These are stress hormones that put your body into a mode where it’s burning more calories and not conserving energy. This is obviously a good thing for weight loss. It’s nothing spectacular on its own, but combined with the right ingredients, green tea extract can pack a punch.

2. Garcinia Cambogia (50mg)

Helps control appetite. Potentially unsafe for long-term use, however.

Garcinia Cambogia contains something known as “HCA,” a type of acid that’s shown promise in accelerating fat burning within the body. In addition, Garcinia has been suggested to act on your brain’s serotonin receptors. This can make you feel less hungry as serotonin regulates appetite. Still, Garcinia is deemed as possibly unsafe by FDA, as stated on WebMD.

3. Green Coffee Extract (200mg)

Helps ease digestion and might ‘block’ carbs from being absorbed.

Green Coffee Beans have very little to no caffeine in them. This is because they’re in their raw, unroasted state. However, what they do have is chlorogenic acid, which regulates your body’s ability to absorb certain macronutrients, such as carbohydrates. But while its effects sound good in theory, it leads to little actual weight loss.

4. L-Carnitine Tartrate (200mg)

This isn’t proven to aid weight loss.

Carnitine is a very popular and hyped up ingredient. There’s a common misconception that it can induce weight loss – it can’t, unless you’re deficient in it. It’s almost impossible to be deficient in carnitine however, as your body creates some of its own, and you also get some from food. Much better ingredients could be put in its place.

Our Thoughts on the Ingredient Profile

It’s not quite what we expected from it. While it’s a stim-free product, it lacks the ‘kick’ you’d get from a high-grade fat burner. F-BRN Komplex didn’t give us the energy or mental benefits that can be crucial for dieting.

In terms of weight loss, green tea and green coffee beans can’t do all the heavy lifting alone. We attribute the lack of results we had with F-BRN Komplex to not having more appetite suppressants and thermogenics.

As for the rest of the F-BRN Komplex formula? Garcinia is potentially dangerous when taken in doses that are found here, so we’d advise being wary of it.

Better ingredients that should be added in Garcinia’s stead:

  • Cayenne Pepper
  • GTF-Chromium
  • B Vitamins

Editor’s Pick:

The 5 of the Best Fat Burners – 2021 Edition

How to Take F-BRN Komplex

Using F-BRN Komplex is simple – 3 capsules daily with a full glass of water or another beverage of your choice.

There’s 90 capsules in total per bottle, meaning it will be enough to last you a month with this kind of serving size.

Still, it’s not ideal as the effects will be wearing off with only one daily dose. To maintain the fat burning benefits, 3 or 4 daily doses are a better option.

Does F-BRN Komplex Have Side Effects?

Garcinia Cambogia does. It’s an ingredient which works great for some, but for others, especially those with liver issues, it can cause side effects.

Therefore, some of the potential side effects of using F-BRN Komplex include:

  • Nausea
  • Headache
  • Dizziness

Garcinia also interacts negatively with some medications, so before even considering trying it, make sure to talk to your doc about it!

Customer F-BRN Komplex Reviews

What do other customers say about F-BRN Komplex? Well, not much! Apart from a few other reviews on the internet, you’ll find testimonials mainly on the official GetFit Fitness website.

The problem is, the comments there are all super positive with 4 and 5 star ratings. Any negative comment gets deleted so you can’t get an accurate picture of what people really think about this fat burner.

For those who’re curious, F-BRN Komplex isn’t available to buy on Amazon or Holland & Barret at this moment in time. As for the price, it costs 29 British Pounds but they sometimes run a deal where you can get 2 bottles for “only” 50GBP.

F-BRN Komplex Review Summary

We think this has room for improvement. F-BRN Komplex isn’t a bad product – for some people, its stim-free formula will work better than some caffeinated products, in terms of not causing jitters or energy crashes.

But when it comes to direct fat burning, this is where F-BRN Komplex fails to shine. Not only is it missing proven core ingredients, it also uses potentially risky Garcinia, and it costs up to 59 pounds when it’s not on sale, so the value for money score goes down too.

What’s better?

-Click for Top 5 Fat Burners of This Year-

Check Our Other Fat Burner Reviews


  1. I have purchased this product a few weeks ago. I took advantage of the offer, buying 2 for £50.
    I started to take the pills 1 before every meal. I have combined them with a bellow 1300kcal per day diet and I do active cardio every day for at least an hour, strength 2 times a week. I needed the pills to help me lose some weight as I am 62kg for 155cm height. I took the pills for 3 weeks and saw no result. My appetite was not decreased and my weight only went down on the days I would have less than 1200kcal (which happens even if I don’t take the pills).
    I have requested to return and get a refund. I have ordered the product from GetFit Shop UK, but the return address was not a UK address. It was a German one. To send them back would have cost me pretty much the same amount as the refund as the products need to be sent as a small parcel. This is really disappointing and not only that I don’t recommend the product, but I wouldn’t recommend the Get Fit Shop UK platform.

    • Its all bull shit hun.
      Money making business if anything ive put on and im on my second bottle.
      I dont no were they get there reviews from to sell there products. Very disappointed.
      Getting a refund is a mission now too.

  2. Hello

    I have purchased f-Brn komplex but cane with no instructions of how to take them? Is it 3 tablets all together in the morning or 1 tablet before each meal ???

  3. i have used them too, eat 1500 calories a day, i cycle 14 miles a day an run 3 times a week 7 miles, 3 times a week power training. But no result, not even 1 ounche. Sad

  4. I trialled these pills, I’m two weeks in and I’ve seen no difference on the scales (a survey they did on their site said people lost up to 12 pounds within the first week….)
    My appetite was decreased slightly and easier to stick to 1200 but it hasn’t worked. They gave me a really weird side effect too, my left arm kept going really numb and my heart didn’t feel right. I would not recommend these.

  5. I bought those pills a bit more than a week ago. Hard to say yet about result but my scales showing the same weight as before. Only my appetite is slightly decreased. Not impressed. Instructions only in German language 😒

  6. I used this pill for one month, 3 pills a day, not having any suger
    I was 64.700 kg when I started the pill and I’m in 61.500 kg this morning

  7. I have purchased this product on the 4 of December, still haven’t received. Contacted the company by email more than once and they don’t answer. What a lousy service!!!it comes back an automatical email in German and that is it! 😡

  8. I only realised when I read this page that these pills are dangerous if you have liver disease- which I do. What could have happened if I had just taken them. Awful.

  9. Absolutely disgraceful no cancellation policy and no English when says it’s an English company only answer in a different language

  10. I’ve been using these for about three weeks now with an under 1000 kcal daily intake which includes no sugar and very low carbs. Personally I found my appetite a lot less when I started taking these. I’ve been consistently losing weight too but that may just be because I’ve dropped my calorie intake. Not gonna speak too soon until I’ve finished my first bottle of these, but I feel like they’re doing me good in terms of suppressing my appetite.

    • Hi Kaya,

      Good job on seeing results! Still, we wouldn’t advise going on such a low-calorie diet without consulting a qualified professional first. It’s definitely not sustainable and not hormone-friendly long-term. You can eat a comfortable diet and still lose a good amount of weight if you know the right steps.

      If you need help, our nutritionists currently have a few spots open for designing a customized meal and workout plans – feel free to reach out through the contact form if interested.

  11. Absolute waste of time was the fbrn komplex. DO NOT recommend. Genuinely upset as I have been trying to lose weight and this has just wasted a month of my life in which I could have been actually losing weight and becoming body positive. Thanks a fucking lot.

  12. I sent you a request for a refund two days ago.There has been no comment from you and as there is no Uk address to contact this tends to heighten my really high confirmation that your company is not reliable.
    I should like a complete refund on what is obviously very close to fraud.
    If no answer my next stop is with the TRADE DESCRIPTIONS

    • Hello Joseph,

      You’re in a wrong place. Quin Candy doesn’t sell F-BRN Komplex, nor do we sell any other supplement/product for that matter. We’re also no affiliated with F-BRN Komplex in any way.

      Again, we have to emphasize this: we do not sell supplements. We merely review them. We are supplement critics, not manufacturers.

      Please head over to the official website of F-BRN Kommplex and ask them for a refund.



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