Best Fat Burner Supplements in 2023: Our Top 3 Picks

Best Fat Burner Supplements
Before considering a fat burner supplement, your starting point should be having an already established healthy diet and solid exercise program.

Fat burner supplements should be an extra push for you if you’re trying to get in shape. ‘Fat burner’ is the name given to food supplements that are formulated to help you burn unnecessary body fat and support your fitness goals. They usually come in a pill or powder form.

Keep in mind that these supplements haven’t been proven to promote weight loss. However, the ingredients that they are using can induce weight loss & fat-burning – antioxidants, extracts, and different nutrients that have evidence in terms of effectiveness for fat-burning.

Every supplement is different. It uses different ingredients, has a different ingredient dosage, and comes in a different form. So, each supplement will work a little differently for you. Some fat burner supplements use ingredients that trigger thermogenesis, a process where your core temperature rises, and so does the calorie expenditure. In other words, your body produces more heat, and by doing that it automatically burns more calories. Other fat-burning ingredients target fat cells and help your body break them down.

In our opinion, we immediately avoid supplements that use a proprietary blend. That is because all the ingredients are mixed in one blend and you can’t know the exact dosage of each of those ingredients.

It’s important to choose a supplement that uses ingredients that are scientifically proven to work when it comes to burning unnecessary fat. Many diet pills make huge claims, but they use ingredients that have little effectiveness or are not effective at all. Below we’ll list the best fat-burning ingredients, alongside the dosages so you can make your own informed decision.

We’ve been searching through the market for the best fat burner supplements currently available – after going through a lot of scam supplements, we’ve picked the 3 best options that are available right now.

Why Consider Taking A Fat Burner Supplement

Why would you take a fat burner supplement? The most obvious answer to this question is simply because you want to get rid of any unnecessary body fat. Fat burners with natural ingredients such as green tea extract, or Garcinia Cambogia can be quite effective when combined with a healthy, calorie-restricted diet, and regular exercise. Some of the benefits you will experience by taking a quality fat burner are:

  • Reduced food cravings and appetite
  • Improved mental focus
  • Increased energy levels
  • Faster metabolism
  • Increased usage of fat as a fuel

Now we’re going to see which ingredients are the best when it comes to fat-burning supplements!

Best Fat Burner Ingredients

1. Cayenne Pepper Extract

Cayenne peppers are common in spicy dishes. If you love spicy food, you surely tried cayenne pepper (a.k.a. chill pepper). Cayenne pepper extract works as a great fat-burning ingredient by boosting your metabolism rate, resulting in increased calorie expenditure. More on the studies behind cayenne pepper extract can be found here: (

2. Green Tea Extract

Green tea is a tasty drink that is very popular among fat-burning supplements, because of its health benefits. Green tea contains catechins. These are small compounds that trigger thermogenesis, a process where your body’s core temperature gets increased, and so does calorie burning. The most potent catechin among all is EGCG. This powerful ingredient is very beneficial for mental, and cardiovascular health as well.

3. Caffeine

Coffee is the most popular hot drink, that’s for sure. It contains caffeine, which is quite effective when it comes to fat-burning. It can boost your metabolic rate and help break down fat cells, resulting in weight loss. However, caffeine is a stimulant, so it’s not for everyone. It can lead to nausea or inability to sleep, but these side effects are common in intolerant people. On the bright side, the best fat burner supplements we’ll mention below are stimulant-free.

4. Vitamin D

Vitamin D (the sunshine vitamin) is a key vitamin for weight loss. Vitamin D3 is known to block the creation of fat tissue in your body. Also, it boosts your serotonin levels, resulting in a better mood, and suppresses appetite. That way, the results will come more easily when it comes to losing pounds.

5. L-Theanine

L-Theanine is an amino acid that is present in green and black tea and in some mushrooms. This compound is not produced by the human body, but when consumed, it can create a calming response, and improve your mood so you’ll be less likely to eat unhealthy food. When combined with caffeine, L-Theanine can work great to get rid of any jitters, and it can make you feel substantially more energized.

How We Rank Fat-Burning Supplements

To give you an accurate review, our team inspects and tests all the supplements the same way every time. We’re looking at different categories such as ingredients, pricing, short and long-term benefits, personal experience, and safety. To make sure the supplement is quality and effective, we’re always keeping our eye on the following:

  • Price – Value for money that the fat burner offers.
  • Testimonials – The supplement must have positive feedback from other customers
  • The Manufacturer – The manufacturer and brand authority
  • The formula – We’re looking for the ingredients, but also the dosage
  • Trust – Because you’re going to consume these products daily, we must make sure that they’re coming from a reliable company, and that they’re absolutely risk-free
  • Where to Buy – The links to these supplements’ sites will be included here for you so you can learn more about them, and eventually buy them if you’re interested in trying them.

Our list of top fat burners includes only natural fat burners that have been tested for weeks and even months in some cases. They are totally free of any synthetic ingredients. Within a few weeks, you should start seeing results when it comes to weight loss & your overall fitness.

The 3 Best Fat Burners in 2023

#1 Instant Knockout CUT – Best Fat-Burning Supplement Overall

Instant Knockout CUT Review

It is the best-rated thermogenic supplement for both men and women. It has substantially effective ingredients in clinical doses, with no proprietary blend.

Instant Knockout CUT is a natural fat-burning supplement that can help you in your weight loss journey in a safe and efficient way. It is produced by a company Roar Ambition, from the U.K.

In its first days, Instant Knockout CUT was only available for professional MMA fighters to help them lose weight for their fights. The product worked wonderfully for them, so later on it was released to the public. It is one of the best fat burners available, with superb ratings from many reviews on the internet.

The results we’ve experienced by consuming Instant Knockout CUT:

  • No uncomfortable food cravings
  • Drastically improved energy levels and mental focus throughout the day
  • Imposing levels of fat loss after 30-40 days

Instant Knockout’s Official Website:

The manufacturers of this supplement consult with many professional nutritionists, athletes, and experts to make sure they’re using the best possible ingredients. Instant Knockout CUT is regularly updated, every 6-12 months by Roar Ambition as new research is available.

Ingredients in Instant Knockout CUT

Instant Knockout CUT uses many different ingredients that we recommend for weight loss. The best ingredients in its formula are:

  • Cayenne Pepper Extract (100mg)
  • Glucomannan (1800mg)
  • Caffeine Anhydrous (300mg)
  • Green Tea Extract (500mg)

Alongside these proven fat-burning ingredients, Instant Knockout CUT contains some essential nutrients such as vitamin B12 and B6, along with vitamin D, and L-Theanine, which are one of the top ingredients for fat loss as we mentioned before.

B vitamins can help reduce fatigue, normalize your energy levels, and transport nutrients through your body. Glucomannan, on the other hand, also known as Konjac Root Fiber, helps with reducing your appetite by making you feel fuller. That way, your food cravings will be less intense.

Interested in learning more about Instant Knockout’s ingredients? Check their website:

How effective was it for us?

We started to feel the effects of Instant Knockout CUT almost immediately. It was surprisingly easy to drop pounds with it. Cayenne pepper extract and caffeine in combination together worked wonders when it comes to suppressing our appetite. After about 60 minutes of taking the capsules, our appetite was significantly reduced. We started to notice differences in the mirror after about 2 weeks of usage, which is very surprising!

Also, we noticed an improvement in our energy levels throughout the day, despite being on a low-calorie diet.

This is the fastest we’ve experienced results

After 2-3 weeks, results continued for us, at a slightly slower pace, however. But, if you’re going to use Instant Knockout CUT consistently, you can expect to see some drastic improvements in your fitness and weight loss journey after 2-3 months.

There’s one flaw. You have to take 4 capsules separately throughout the day at different times. That might be hard to get used to, but it’s the best way to make sure you get all the essential nutrients.

See more Instant Knockout reviews from other customers here:


  • Doesn’t use proprietary blends
  • Contains natural and effective ingredients for fat-burning
  • Vegan-friendly
  • Optimal ingredient doses
  • Muscle-preserving
  • Made in cGMP and FDA-approved facilities
  • Approved by professional athletes
  • Based on the latest clinical evidence


  • Available only on the official website
  • Contains a caffeine dosage that isn’t the best if you’re highly sensitive to it
Interested in Instant Knockout CUT?
>Click Here to Get Prices<

#2 Hourglass Fit – The Best-Rated Fat Burner For Women

Hourglass Fit Review

The supplement that is specifically made for appetite suppression & mood assistance

Taking second place on our list, is Hourglass Fit, the supplement with a distinctive ingredient profile that is mainly intended for women. Although it is intended for women, Hourglass Fit can also work for men. There is no gender-specific supplement, there are only weight loss supplements with ingredients that work, and those that don’t work.

Hourglass Fit stands out from some of its competition – it doesn’t have any stimulants at all. That means it is healthy for daily usage, and if you don’t like jitters or any other negative side effects of caffeine, Hourglass Fit should work for you. Also, this supplement is vegan-friendly and doesn’t use any fillers, which makes it of good quality.

Hourglass Fit’s Official Website:

Ingredients in Hourglass Fit

Here are the ingredients included in Hourglass Fit’s formula:

  • Glucomannan (3,000mg)
  • Cayenne Pepper Extract (100mg)
  • Black Pepper Extract (5mg)
  • Vitamin B12 (2.4mcg)
  • Vitamin B6 (1.7mg)
  • Vitamin B2 (1.1mg)
  • Zinc Citrate (8mg)
  • Chromium (Picolinate) (125mcg)
  • 5-HTP (150mg)

As it can be seen, Hourglass Fit contains some very effective ingredients for weight loss, from cayenne pepper extract to glucomannan and chromium which work very well in reducing appetite and regulating blood sugar levels. They’re all in optimal doses to ensure maximum effectiveness.

Another good thing is that this weight loss supplement uses no proprietary blends. That means that you can see all the doses inside and that the manufacturer is not hiding anything from you. In other words, you know what you’re paying for.

We’ve noticed Hourglass Fit uses 5-HTP which is a compound that is known for its effectiveness in boosting your mood & mental focus. So, weight loss is not the only thing you should expect by consuming this product.

You can learn more about Hourglass Fit’s ingredients here:

We like this supplement’s price. Although Hourglass Fit is one of the top fat burners available, it’s more affordable than some other weight loss supplements out there. If you’re looking for a stimulant-free, less aggressive, and healthy fat-burning supplement for your daily lifestyle, Hourglass Fit might be the right option for you!


  • 100% natural & free of stimulants
  • Safe ingredient formula
  • Clean quality
  • Excellent value for money
  • Affordable
  • Helps with weight loss and the dieting needs of a woman


  • No money-back program

Hourglass Fit is Available on the Official Site

>Click Here to Get Prices<

#3 Hunter Burn – A Great Option For Busy Men

Hunter Burn Review

Hunter Burn is a fat-burning supplement that is focused on a specific group – busy and high-working men who want to look and feel their best. If you want the highest value for your money, then Hunter Burn is a supplement for you.

It contains vitamin D3, matcha tea, and white kidney bean, all in clinically tested doses that will help you increase fat-burning and your performance.

These are the benefits you should expect with Hunter Burn:

  • Supporting your immunity with Vitamin D3
  • Reduced food cravings and suppressed appetite with white kidney bean
  • Improved mood and mental focus
  • Activating thermogenesis with Cayenne pepper extract
  • Matcha tea will target the stored body fat
  • Increased energy

Ingredient Formula

Hunter Burn contains some of the best fat-burning ingredients on the market, such as Glucomannan or Cayenne pepper extract, that will help you achieve your weight loss goals in no time if you use it consistently. The doses are optimal. There’s 3g of Glucomannan per serving, which will make you feel fuller throughout the day, so you won’t have the urge to snack on all the unhealthy foods.

These are the main ingredients in Hunter Burn:

  • L-Theanine (200mg)
  • Cayenne Pepper Extract (125mg)
  • Matcha Green Tea (200mg)
  • Glucomannan (3000mg)

As we mentioned, among these ingredients, there is Vitamin D3 and 500mg of White Kidney Bean Extract per serving in the formula. Both of these will help enhance the fat-burning process in your body.

Hunter Burn’s Official Website:

How effective it was for us

The results we’ve experienced from using Hunter Burn were impressive. We’ve tested it for 1 month and these are the results we’ve experienced:

  • Better sleep
  • Boosted energy levels with no jitters
  • Decent amount of weight loss
  • Increased mental focus

Some of the members of our team also reported a boost in their sex drive as one of the benefits. That is because of Vitamin D. Vitamin D deficiency is linked to low libido in men, so it’s not a surprise that Hunter Burn helped them boost their sex drive as well.

By analyzing the ingredient formula, and the effects we’ve experienced, we can say that Hunter Burn is one of the best fat burners out there. Unfortunately, it is a bit expensive. It’s not a surprise when we consider that it’s made to provide you with maximum effects. But, some users would prefer a cheaper alternative. However, if you can afford it, Hunter Burn is definitely worth it.


  • 180 capsules per bottle – enough to provide you with a one-month supply
  • 6 effective ingredients for weight loss included
  • Optimal doses
  • Huge dosage of Vitamin D3 (5,000IU)
  • Clinically tested ingredient doses
  • Safe to use


Interested in Hunter Burn?

>Check Prices<

Conclusion to Best Fat Burners

Ladies and gentlemen, that was our guide to the best fat-burning supplements that you can find today.

At the moment, we rate Instant Knockout CUT as the most effective supplement available on the market.

On our second spot, it’s Hourglass Fit, a fat burner specifically designed for women who want to lower their food cravings and improve their mental well-being. It can definitely help with weight loss by increasing the number of calories your body burns through the thermogenic process, thanks to the thermogenic nutrients in the formula. It’s stimulant-free so there’s no need to worry about any caffeine side effects. The pricing is more affordable compared to some other fat burners.

Hunter Burn is in our third spot. That is mainly because of the price. It’s a bit more expensive than some other effective fat burners, but if you can afford it, it’s definitely worth buying. This supplement is ideal for busy men who want the best quality and effectiveness for their money. The ingredient formula is promising, with no proprietary blends, and with all the ingredients in optimal doses that will help you improve your mood and increase the body’s fat-burning potential.

If you’re regularly exercising, and if you’re following a healthy diet, then you can’t go wrong with any of these 3 options on the list.

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