Research-Based

Best Thermogenic Fat Burner

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By Leslie Waterson

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

Best Thermogenic Fat Burner

A good thermogenic fat burner can help you lose weight and burn off excess fat – that is, if you eat a proper diet and exercise regularly. Along with lifestyle changes, these supplements can boost your overall health and well-being.

While a healthy lifestyle and diet are always important, a solid fat burner can really help you get a jump on your fitness goals. That’s why it’s essential to get the best thermogenic fat burner you can to make the most of the benefits. Just like other supplements, though, thermogenic fat burners are not created equal – some work, some don’t.

In this article, we are going to discuss everything you need to know about thermogenic fat burners. Why use them, how to use them, and, of course, what our picks for the best thermogenic fat burners are!

Best Thermogenic Fat Burners

Here are our top picks. Keep reading to learn how we chose them.

Benefits of Thermogenic Fat Burners

Generally, thermogenic fat burners work by stimulating heat with your metabolism to accelerate it. In turn, this will accelerate the fat-burning mechanism of the body, hence the accelerated fat loss.

Some thermogenic fat burners also work by enhancing your exercise performance and/or by helping you curb your appetite – or a combination of these, for that matter.

Fat burners provide a variety of benefits including increasing your metabolism, curbing your appetite, and increasing your workout performance – all of which can help you burn fat.

How to Choose the Right Supplement

While there are certainly countless options on the internet, not all work well. When looking for a fat burner, look for one that is made by a reputable brand that creates high-quality supplements.

There are many different ingredients that go into a successful fat burner supplement. Weight loss supplements typically include things like niacin, caffeine, pipeline, coffee bean extract, green tea extract, chromium picolinate, and more. While ingredients like chromium picolinate can be taken alone, they are also found in supplements that combine a variety of ingredients to improve energy levels and improve body fat.

What To Look For

  • High-quality ingredients
  • Professionally-formulated blends
  • The RIGHT thermogenic compounds
  • Healthy, energizing formulas
  • Trustworthy manufacturers
  • Third-party quality testing

What To Avoid

  • Low-quality ingredients
  • Ineffective blends
  • Over “hyped” marketing
  • Fillers
  • Unreliable manufacturers
  • Lack of research or quality oversight

Top Rated Thermogenic Fat Burners

At Fitness Clone, our goal is to provide you with reviews and recommendations you can trust. We have reviewed over 500 supplements and make sure to pay close attention to supplement formulations, ingredient quality, manufacturing practices, and company trustworthiness. Below are our top rated thermogenic fat burners.

Best Overall

Skald

by BELDT Labs

Skald is one of the best thermogenic fat burners out on the market. Its aim is to help you burn fat to lose weight and meet your fitness goals by increasing metabolism and curbing appetite.

Skald’s formula uses all-natural ingredients, including green tea leaf extract, white willow bark extract, and synephrine, among others. It also includes a blend specially designed for respiratory support.

In addition to Skald’s fat-burning benefits, it also provides increased energy, elevated mood, improved respiration, and appetite control.

Skald

Pros

  • All-natural formula produced in a GMP-compliant facility
  • Designed to promote increased weight loss and appetite control
  • Includes specific ingredients for respiratory support
  • Comes in convenient and easy-to-take pill capsules
  • Manufactured in the USA
  • 60-day money-back guarantee

Cons

  • Includes a large amount of caffeine for those that may be sensitive
  • Can be a bit expensive without discounts

Or Read the Review

Best Stimulant-Free Fat Burner

Hunter Burn

by Roar Ambition

Health supplement company, Roar Ambition, is well-known within the fitness world, and their Hunter supplements are no different. That’s why Hunter Burn is a popular choice when it comes to fat-burning supplements.

Hunter Burn is designed to help you burn fat, overcome hunger, and continue to keep and build muscles. It includes a simple and transparent formula of 6 key fat-burning ingredients: Konjac root, White kidney bean, Cayenne pepper, Matcha green tea, L-Theanine, and Vitamin D.

In addition to fat-burning, Hunter Burn also provides benefits, including suppressing cravings, providing energy to help avoid crashes, and promoting muscle retention and gain.

Hunter Burn

Pros

  • Includes larger doses of six key fat-burning ingredients
  • No artificial flavors, colors, GMOs, preservatives, soy, or gluten
  • Helps burn fat without losing muscle
  • Includes matcha green tea, which is 3x stronger than other common types
  • All Hunter products follow cGMP and FDA guidelines
  • Manufactured in the USA and UK

Cons

  • On the high-end for price

Or Read the Review

Best for Weight Lifters

Burn Lab Pro

by Opti-Nutra

Burn Lab Pro is a fat-burning supplement designed by popular health company, Opti-Nutra Ltd. Opti-Nutra is well-known for their focus on providing clean and effective formulas, with Burn Lab Pro being no different.

Burn Lab Pro is vegan-friendly, non-GMO, banned substance tested, and caffeine-free. Its formula includes the five main ingredients of ForsLean, Capsimax, HMB, NutriGenesis GTF Chromium, and BioPerine.

Burn Lab Pro is designed to help you burn and shed more body fat with every exercise. and workout. 

Burn Lab Pro

Pros

  • Includes a transparent formula of five specifically chosen ingredients
  • Designed to burn fat and boost strength
  • Preserves and improves lean muscle
  • Designed for men and women
  • Has one of the cleanest labels on the market and is vegan-friendly
  • GMP-certified, caffeine-free, gluten-free, and banned substance tested

Cons

  • Lack of caffeine within the formula can be a negative for some users

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Best for Athletes

Instant Knockout

by Roar Ambition

Instant Knockout is another top fat-burner from Roar Ambition. Originally designed for MMA fighters and boxers to meet weight loss deadlines, this formula became widely popular.

Instant Knockout contains a natural and transparent formula with 10 fat-burning ingredients. These ingredients include green tea extract, vitamins B6 and B12, zinc, green coffee extract, GTF chromium, cayenne powder, konjac root, black pepper extract, and caffeine anhydrous.

Weight loss and fat burning are the main benefits of Instant Knockout, but it also provides a boost in metabolism, reduction of hunger cravings, and increased energy levels.

Instant Knockout

Pros

  • Contains 10 natural and powerful fat-burning ingredients
  • Boosts metabolism and reduces cravings
  • Formula is transparent with no proprietary blends
  • Originally designed for MMA fighters and boxers
  • Includes B vitamins for energy production
  • Manufactured in the USA

Cons

  • Not vegan or vegetarian friendly – capsules are gelatin

Or Read the Review

Best for Women

Leanbean

by Ultimate Life Ltd.

Leanbean is a popular thermogenic fat burner made specifically for women. It is 100% all-natural and is designed to promote fat burning, boost metabolism, reduce cravings, and increase energy. 

Leanbean’s formula includes vitamins B6 and B12, Chromium, Choline, Glucomannan, Garcinia Cambogia, Green Coffee Bean Extract, Turmeric, Acai Berry Extract, and Bioperine.

Leanbean is to be taken three times per day to help promote weight loss, improve body composition, burn fat, and increase muscle.

Leanbean

Pros

  • Includes a transparent formula with 12 key ingredients
  • Ingredients are all-natural
  • Designed to boost metabolism, reduce cravings, and increase energy
  • Green coffee bean extract is the only caffeine
  • Free home workout guide with purchase
  • Manufactured in an FDA-registered facility and GMP certified
  • 90-day 100% money-back guarantee

Cons

  • Recommended dosage is 3 times a day, which can be a bit much for some

Or Read the Review

Thermogenic Fat Burners FAQ

What exactly are thermogenic fat burners?

The word “thermogenic” may sound fancy, but in reality, it simply meant “heat-producing.” In this regard, thermogenic fat burners are supplements that increase heat with your metabolism, causing it to speed up and make fat-burning more efficient.

What are some key ingredients in thermogenic fat burners?

The key ingredient of thermogenic fat burners are their thermogenic compounds – these are any substance that can naturally stimulate heat within your body.

One of the most common thermogenic compounds is caffeine. Since caffeine can be found in common and daily foods and drinks such as coffee, essentially, we can get these compounds via our daily diet. Other foods or drinks that may contain thermogenic compounds or stimulate thermogenesis are whey protein, egg, and coconut oil.

How do thermogenic fat burners work?

Generally, thermogenic fat burners work by stimulating heat with your metabolism to accelerate it. In turn, this will accelerate the fat-burning mechanism of the body, hence the accelerated fat loss.

Some thermogenic fat burners also work by enhancing your exercise performance and/or by helping you curb your appetite – or a combination of these, for that matter.

Do thermogenic fat burners really work?

Since thermogenic fat burners are made up of thermogenic compounds – which are substances that can naturally stimulate thermogenesis – then, in general, thermogenic fat burners do work. However, you need to set a realistic expectation of your thermogenic fat burner. Otherwise, you’ll probably use it less effectively and not get the results you want.

To begin with, thermogenic fat burners will not fix a bad diet. This means that, even if you’re taking the best thermogenic fat burner, if you keep on overeating and eating unhealthy foods, you simply won’t get the results that you want.

Also, getting regular exercise is important if you want to make the best of your thermogenic fat burner. While it’s possible for some thermogenic fat burners to promote fat loss with little exercise (mostly because they accelerate fat burning within your body), exercise will maximize the effort of your thermogenic fat burner. Without exercise (and assuming you’re on strict diet control), the fat burning effect of the thermogenic fat burner will be relatively slower and less effective compared to if you are working out as well. Remember, thermogenic fat burners are not magic pills – even the best ones!

Are thermogenic fat burners safe?

Since thermogenic fat burners may use different thermogenic compounds, it can be difficult to assess their potential side effects. But since thermogenic compounds are mostly stimulants, they may cause certain side effects when taken too much.
Some of the most common side effects associated with thermogenic fat burners include upset stomach, restlessness, insomnia, headaches, elevated blood pressure, heart palpitations, anxiety, and agitations.

Should you try a thermogenic fat burner?

Thermogenic fat burners are supplements that can help you burn fat by increasing the metabolism of your body, which in turn increases the fat-burning mechanism of your body. These fat burning supplements will lead to suppressed appetite, which aids in fat loss and can ultimately help out with other health problems.

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Leslie Waterson

Leslie has been passionately involved in the health and fitness industries for over a decade. She is constantly reviewing the latest scientific research and studies in order to take a research-backed approach to lifestyle optimization. Her main areas of interest include nutrition and supplementation. Leslie shares her findings on Fitness Clone to help other health enthusiasts choose the products and routines that will help them achieve their goals.