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Emmanuelle
5 / 5
Verified user

I love coffee and now my favourite morning ritual is helping me maitain my weight, LOVE IT!

OK!FatBurn Coffee

Food supplement with sweetener
4.77 / 5
4368 Verified reviews

Coffee drink with 5-in-1 action for appetite and fatigue suppression²

With active ingredients L-carnitine, elderberry and guarana extract:

  • Suppresses feeling of hunger²
  • Suppresses fatigue²
  • L-carnitine plays a key role in body’s metabolism¹
  • Guarana has a favourable effect on digestion²
  • Helps with weight control³

Turn your coffee drinking ritual into a weight loss shortcut!

Net 150 g | for 15 days
How to use +

Stir 10 g (1 tablespoon) of OK!FatBurn Coffee mixture into a cup (150 ml) of warm water or (plant) milk.

Warnings:

The recommended daily amount or dose must not be exceeded. A food supplement is not a substitute for a balanced and varied diet. Pregnant women and nursing mothers are not advised to use it.

Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients +

OK!FatBurn Coffee

Ingredients: rice drink powder (rice, oat beta-glucans, sunflower oil, salt), stabilizer: acacia gum, instant coffee (Coffea arabica L.), stabilizer: cellulose, L-carnitine, guarana seed extract (Paullinia cupana). elderberry extract (Sambucus nigra L.).

Contains naturally occurring sugars.

Nutritional Value +
Per 100g
Energy value 1305 kJ / 311 kcal
Fat 2,4 g
Saturated fat 1,9 g
Carbohydrates 59 g
of which sugars 12 g
Fibre 23 g
Protein 2,9 g
Salt 0,2 g
Per serving (10g)
L-carnitine 100 mg
Instant coffee 1500 mg
Guarana extract 100 mg
Elderberry extract 50 mg
Caffeine 62 mg

 

Certification +

Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust.
Here’s what our testing covers:

  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.

Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.

Emmanuelle
5 / 5
Verified user

I love coffee and now my favourite morning ritual is helping me maitain my weight, LOVE IT!

25,53 31,90
Subscribe & save
One-time purchase

Switch to subscription and save 1,24
You can get the same for just 24,29. A convenient way to enjoy the best prices. You can change or cancel your subscription at any time!

Money-back guarantee for 60 days
Free shipping for orders from 50,00
Delivery within 4-6 working days
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Questions? Call us: 0818 882 208

Reviews

4.8
Based on 4368 reviews
5 ★
3842
4 ★
292
3 ★
84
2 ★
51
1 ★
99
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Everything you need to know:

What makes OK!FatBurn Coffee different from regular coffee? +

OK!FatBurn Coffee is a coffee drink with 5-in-1 for appetite and fatigue suppression². While it contains instant coffee (Coffea arabica L.) just like regular coffee, it’s enhanced with powerful active ingredients: L-carnitine (100mg), guarana extract (100mg), and elderberry extract (50mg) per serving.

This unique combination suppresses feeling of hunger² and suppresses fatigue², while guarana has a favourable effect on digestion² and elderberry helps with weight control³.

It’s the perfect alternative to regular coffee for those looking to support their weight management goals.

How does OK!FatBurn Coffee help with weight management? +

Elderberry is traditionally used to facilitate the weight loss in addition to dietetic measures³ and helps to lose weight in addition to dietetic measures³. Guarana is traditionally used to help in weight control² and surpresses feeling of hunger² , so you can use this coffee drink to prevent eating more than you should.

Can OK!FatBurn Coffee help reduce my appetite and cravings? +

Absolutely! OK!FatBurn Coffee suppresses feeling of hunger² thanks to guarana.

Will OK!FatBurn Coffee help me feel less tired throughout the day? +

Yes! Each serving contains 62mg of caffeine from instant coffee and guarana extract. OK!FatBurn Coffee suppresses fatigue thanks to guarana. Guarana surpresses fatigue² and L-carnitine plays a key role in body’s metabolism¹.

Is OK!FatBurn Coffee suitable for maintaining weight after losing it? +

Yes! OK!FatBurn Coffee is perfect for weight maintenance. Elderberry helps to maintain the weight³ and helps in weight control³, while guarana is traditionally used to help in weight control². This makes it an excellent choice for those who want to maintain their weight loss results.

Our customers also confirm that it works

4.9 / 5

Margeret
starstarstarstarstar5/5

After about one week of drinking, I already crave snacks less and generally feel less hungry. I have also noticed some weight loss!

Margeret
Alex
starstarstarstarstar5/5

I noticed that my appetite was reduced. It also helps me feel less tired throughout my very busy day.

Alex
Eva
starstarstarstarstar5/5

After just a few days I noticed that my appetite was reduced and I had less craving for sweets, and I lost a few inches around my waist after only 1 week!

Eva
Dayana
starstarstarstarstar5/5

Ever since I started drinking this weight-loss coffee I feel incredible. I haven't been keeping track of pounds but my coworker noticed that I lost some weight. I am so happy!

Dayana
Olivia
starstarstarstarstar5/5

I loooove coffee and I am very much into fitness, now my morning fatburn coffee helps me with that, too. Obsessed and ordering again for sure!

Olivia
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Revolutionary coffee for weight³ and appetite control²

Losing weight has never been easier!

Our top experts at Nature’s Finest are big fans of coffee, so they’ve taken extra care to develop a product that suppresses fatigue, has a beneficial effect on digestion² and helps you control your weight³.

OK!FatBurn Coffee is a delicious coffee drink with active ingredients that suppress hunger², beneficially affect digestion² and control weight³.

  • If you often crave snacks, sweets or junk food
  • If you tend to overeat or eat when bored
  • Can’t succeed with any weight loss attempt

If you like the taste of coffee, this is the SOLUTION you've been waiting for!

It is the perfect alternative to regular coffee.

Reduce fatigue²

Guarana, a natural extract, is known for its ability to boost energy levels, helping you stay active and focused throughout the day.

Suppress hunger²

Guarana also helps suppress the feeling of hunger, making it easier to manage your food intake.

Support weight control³

Elderberry extract is not only beneficial for supporting the immune system, but it also helps in weight control and eliminates overweight.

Why you should have your first cup of OK!Fatburn Coffee TODAY

Starting OK!FatBurn Coffee today:

  • You suppress feeling of hunger² starting with your first cup
  • You supress fatigue²
  • Guarana has a favourable effect on digestion²
  • Elderberry helps you with weight control³
  • Guarana helps you start strengthening immunity²

Starting OK!FatBurn Coffee LATER:

  • You postpone appetite suppression benefits
  • You delay fatigue suppression support
  • You continue without enhanced digestion support

Made from scientifically proven active ingredients

L-Carnitine

1. L-Carnitine

L-carnitine is an amino acid that is crucial for fat metabolism because it ensures that long-chain fatty acids are transported to the mitochondria where they are converted into energy.

Guarana extract

2. Guarana extract

Guarana contributes to fat metabolism, and suppresses feeling of hunger and fatigue, making this natural extract an efficient help in weight control.

Elderberry Extract

3. Elderberry Extract

Elderberry supports sweating and contributes to weight loss and weight management. It also supports the immune system and improves blood circulation.

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Traceability of our raw materials
Discover the nature in our supplements! We carefully select and monitor every ingredient to ensure optimal performance, backed by proven scientific effectiveness. Our commitment to transparent traceability guarantees the integrity and excellence of all the elements in our products. Our products are IFS Food Global Markets certified under registration no.: 00063/0 and ECO certificat under certified no.: EPR-26420/22-1.
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60-day money-back guarantee

To make your purchase risk-free, we offer a 60-day money-back guarantee. If you’re not completely satisfied with the product, simply contact us and we will refund your money.
-20%
OK!FatBurn Coffee

OK!FatBurn Coffee

5-in-1 action against fatigue² and feelings of hunger²

  • Suppresses feeling of hunger²
  • Suppresses fatigue²
  • L-carnitine plays a key role in body's metabolism¹
  • Guarana has a favourable effect on digestion²
  • Helps with weight control³

Frequently Asked Questions from Our Users

FAQ Icon

How and why does it work?

This coffee drink contains powerful ingredients: L-carnitine, elderflower and guarana extract, that suppress fatigue² and feelings of hunger², and help you control your weight.3

FAQ Icon

Who is it for?

OK!FatBurn Coffee is perfect for all those who want to suppress feelings hunger2, maintain their weight³  while enjoying a tasty coffee ritual.

FAQ Icon

What ingredients does it contain?

Rice drink powder, acacia gum, coffee extract, coffee flavour, L-carnitine, guarana extract, elderberry extract.

FAQ Icon

What does it taste like?

OK!FatBurn Coffee has a pleasant aroma of freshly brewed coffee.

FAQ Icon

How long does shipping take?

We will do our best to process your order the same day and send it for delivery. On average, packages are delivered in 4-6 business days.

FAQ Icon

What if I don't like it?

No worries! If the product does not meet your expectations, we offer a 60-day refund.

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-20%
Emmanuelle
5 / 5
Verified user

I love coffee and now my favourite morning ritual is helping me maitain my weight, LOVE IT!

OK!FatBurn Coffee

Food supplement with sweetener
4.77 / 5
4368 Verified reviews

Coffee drink with 5-in-1 action for appetite and fatigue suppression²

With active ingredients L-carnitine, elderberry and guarana extract:

  • Suppresses feeling of hunger²
  • Suppresses fatigue²
  • L-carnitine plays a key role in body’s metabolism¹
  • Guarana has a favourable effect on digestion²
  • Helps with weight control³

Turn your coffee drinking ritual into a weight loss shortcut!

Net 150 g | for 15 days
How to use +

Stir 10 g (1 tablespoon) of OK!FatBurn Coffee mixture into a cup (150 ml) of warm water or (plant) milk.

Warnings:

The recommended daily amount or dose must not be exceeded. A food supplement is not a substitute for a balanced and varied diet. Pregnant women and nursing mothers are not advised to use it.

Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients +

OK!FatBurn Coffee

Ingredients: rice drink powder (rice, oat beta-glucans, sunflower oil, salt), stabilizer: acacia gum, instant coffee (Coffea arabica L.), stabilizer: cellulose, L-carnitine, guarana seed extract (Paullinia cupana). elderberry extract (Sambucus nigra L.).

Contains naturally occurring sugars.

Nutritional Value +
Per 100g
Energy value 1305 kJ / 311 kcal
Fat 2,4 g
Saturated fat 1,9 g
Carbohydrates 59 g
of which sugars 12 g
Fibre 23 g
Protein 2,9 g
Salt 0,2 g
Per serving (10g)
L-carnitine 100 mg
Instant coffee 1500 mg
Guarana extract 100 mg
Elderberry extract 50 mg
Caffeine 62 mg

 

Certification +

Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust.
Here’s what our testing covers:

  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.

Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.

Emmanuelle
5 / 5
Verified user

I love coffee and now my favourite morning ritual is helping me maitain my weight, LOVE IT!

25,53 31,90
Subscribe & save
One-time purchase

Switch to subscription and save 1,24
You can get the same for just 24,29. A convenient way to enjoy the best prices. You can change or cancel your subscription at any time!

Money-back guarantee for 60 days
Free shipping for orders from 50,00
Delivery within 4-6 working days
visa
mastercard
american_express
paypal

Questions? Call us: 0818 882 208

Customer reviews

2077
customer reviews
4.77/5
2 years ago by Christine T.

I was very impressed with how easy this product is to use and how effective it is. Have already reordered and introduced my sister to the product.

2 years ago by Mrs jennifer M.

I'm just giving 3 and then u know I will do a proper one if it's here for Christmas

1 year ago by Christine N.

Excellent products

2 years ago by Pike J.

Very good.can you change my address to 2Colliers Fold not 22.

2 years ago by Esther A.

Is almost 2 weeks now since I started taken it and I have seen changes in my weight. Am happy about it

1 year ago by Mary b.

Great product

2 years ago by Ewa P.

The customer only left a rating.

2 years ago by Anna K.

Great products. Excellent customer service. Highly recommended

1 year ago by Kyra C.

Very satisfy with these product. I love them

1 year ago by Magennis S.

The customer only left a rating.

1 year ago by Lucy G.

The customer only left a rating.

2 years ago by Anna K.

Brilliant customer service

2 years ago by Rachel C.

The customer only left a rating.

1 year ago by Nadya S.

I think it’s too early to give my opinion. Working on flushing out some fluids. But

1 year ago by Elaine T.

Love this product

1 year ago by Liam L.

Good product thanks nutrisslim I am very happy

2 years ago by Nicole E.

Leaving a neutral review because Ive only been drinking the coffee for about a week and a half. Can’t comment on weight loss but it tastes good and I don’t feel as bloated

2 years ago by Irina I.

The customer only left a rating.

2 years ago by Mary Q.

I wish to thank you very much I appreciate your kindness

2 years ago by Jade H.

Really love the coffee but and night burn as a combination.

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OK!FatBurn Coffee

Ingredients: rice drink powder (rice, oat beta-glucans, sunflower oil, salt), stabilizer: acacia gum, instant coffee (Coffea arabica L.), stabilizer: cellulose, L-carnitine, guarana seed extract (Paullinia cupana). elderberry extract (Sambucus nigra L.).

Contains naturally occurring sugars.

Per 100g
Energy value 1305 kJ / 311 kcal
Fat 2,4 g
Saturated fat 1,9 g
Carbohydrates 59 g
of which sugars 12 g
Fibre 23 g
Protein 2,9 g
Salt 0,2 g
Per serving (10g)
L-carnitine 100 mg
Instant coffee 1500 mg
Guarana extract 100 mg
Elderberry extract 50 mg
Caffeine 62 mg

 

Stir 10 g (1 tablespoon) of OK!FatBurn Coffee mixture into a cup (150 ml) of warm water or (plant) milk.

Warning:

The recommended daily amount or dose must not be exceeded. A food supplement is not a substitute for a balanced and varied diet. Pregnant women and nursing mothers are not advised to use it.

Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Frequently Asked Questions from Our Users

How long can I take it? +

The product can be taken continuously for 6 months, after which we recommend taking a break for 1 month and repeating these intervals. For best results, we recommend taking the product for several months.

Why choose Nature`s Finest?

15

years of tradition

400+

unique products

50+

patented active ingredients

3mil+

satisfied customers

Natural

We believe in the perfection of nature. Our commitment extends to responsible sourcing of raw materials, including sustainability, ethics, and fair business principles. We prioritize eco-friendly packaging to reduce our carbon footprint.

The effectiveness of our products is confirmed by studies and research that are verifiable and repeatable. All our products are tested in independent laboratories, as our goal is to provide our customers with only the highest quality and effective products for their money.

Nature offers effective solutions for many challenges we face. Our experienced development team uses and combines these exceptional substances in our products so that the body can best utilize them. Active ingredients in our products are present in proven effective amounts, not just in small and negligible percentages.

Our products are tested through various user studies and trials that ensure their safety and effectiveness. We always listen carefully to the feedback from our customers and consider their opinions, criticisms, and suggestions to ensure that our products are truly tailored to their needs.

Meet our development experts

We are proud to have only the best experts in the field of nutrition and food supplements on our team, who ensure the development and exceptional quality of our products. With outstanding dedication, they lead studies and research and collaborate with external laboratories, inspection bodies, and other experts to ensure the highest quality and safety of our products.

With rich experience and professional knowledge of the industry, our experts strive to provide Nutrisslim customers with the most innovative products, thus maintaining its status as one of the leading companies in the field of nutrition and food supplements.

Meta Bizjak

M.Sc. Nutrition Engineering

Pia Fistrovič

Food and Nutrition Engineer

#WeAreNature

»Committed to delivering the most natural products to your home«

For more than 15 years, Nature’s Finest has been dedicated to offering natural solutions for those who wish to overcome challenges and discomforts through a lifestyle. We use only 100% natural ingredients, traditionally grown without additives or unnecessary processing. Whenever possible, we use ingredients from organic farming, supported by the SI-EKO-001 certificate.

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