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Best Fat Burner: Top 7 Products That Really Work 2024

best fat burner
Fat burners can help you shed excess fat and maintain a healthy weight. Photo: Team Design

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Are you looking for a healthy way to burn some stubborn body fat? Say no more! Supplements like fat burners can bail you out by helping you burn fat faster and lose weight

Many fitness enthusiasts can testify that losing weight is not a walk in the park; fasting and exercising are helpful but tedious. However, with fat burners, you can shed excess body fat and maintain a healthy weight.

This piece will guide you through choosing the best fat burners. You will learn about the best thermogenic fat burner supplements on the market from reputable companies that deliver excellent results.

Let’s dive in!

Top 7 Best Fat Burners For Belly Fat 2024

Do Fat Burners Work?

There is no conclusive evidence that fat burners are effective for long-term weight loss. However, fat burners contain ingredients that can aid in weight loss. Examples include caffeine, cayenne pepper, soluble fiber, and green tea extract.

Fat burners work via any of these mechanisms.

  • They improve your body’s metabolism rate to burn calories. 
  • They decrease fat absorption in your gut.  
  • They suppress your appetite to help reduce your caloric intake.

For example, research shows[1] caffeine increases metabolic rate and speeds up thermogenesis[2]—body heat production—in obesity treatment. Also, green tea contains caffeine and an antioxidant—catechin[3]—which possesses metabolic and thermogenic properties.

Best Fat Burner: Top Fat-Burning Supplements That Actually Work


  • For both men and women
  • Boosts energy and mood
  • Contains cacti fiber
  • Vegan-friendly
  • Offers free shipping
  • A 60-day money-back guarantee
  • Can be quite expensive
  • May alter the sleep cycle

PhenQ is not just the best belly fat burner since it offers overall body weight loss benefits. It delivers multiple natural fat-burning ingredients in one formula. 

Some benefits of PhenQ thermogenic fat burner include a fiery metabolism, reduced cravings, balanced mood and energy boost, and reduced fat accumulation.

PhenQ manufactures in the United States and the United Kingdom and complies with Current Good Manufacturing Practices (cGMP). They use Alpha-Lacys Reset, a state-of-the-art science and research-trademarked formula that can boost metabolism.

The thermogenic ingredients include capsimax powder, chromium picolinate, caffeine, nopal cactus, L-Carnitine Fumarate, and Alpha-Lacys Reset. Note that PhenQ is free from phentermine.

PhenQ offers free shipping on all orders to anywhere in the world. The payment options available are Visa, MasterCard, American Express credit or debit card, and Skrill.

I lost 9 lbs in 1 month! PhenQ helped me achieve my goals of losing belly fat and love handles as well as improving my body shape.

Axelle W., 22


  • Great fat burner for women
  • Natural thermogenic ingredients
  • Contains vitamins and minerals
  • Appetite control
  • Improves mood
  • 90-day money-back guarantee
  • Requires exercises to work
  • Not designed for men

LeanBean is one of the best fat burner supplements for women on a weight loss journey. This thermogenic fat burner pill speeds up body metabolism, lowers appetite, increases energy levels, and improves mood. 

The thermogenic ingredients include glucomannan, choline, chromium, green coffee, turmeric, garcinia cambogia, acai berry, and piperine.

LeanBean fat burner also contains vitamins and minerals that are important to maintaining a healthy weight, such as vitamin B6, vitamin B12, zinc, chromium, and potassium.

LeanBean offers a 90-day money-back guarantee for those who purchase their Complete bundle. You can make payments via Paypal, Amazon, Visa, or Master cards. Again, free shipping is only available to customers who purchase their complete two-month supply bundle of this fat-burning supplement.

I have only completed a one-month course and have lost 8 lbs and dropped a dress size. I feel amazing.

Vicky, UK

Instant Knockout

  • Nutritionally complete
  • Vegan-friendly and natural ingredients
  • Detailed nutrition e-books
  • 26 essential vitamins and minerals
  • High levels of protein
  • Controls level of cholesterol
  • Free shipping only to the UK and the US

Instant Knockout was originally to cater to professional athletes but has since become popular among the general population. This premium fat burner supplement stimulates the breakdown of fats in a process known as lipolysis[4] during metabolism. In addition, Instant Knockout boosts energy levels and suppresses appetite; it complies with GMP regulations.

The thermogenic ingredients include glucomannan, Green tea extract, caffeine anhydrous, and cayenne pepper seeds. Other healthful ingredients are zinc, L-Theanine, vitamin D3, vitamin B6, and vitamin B12. There are no artificial sweeteners or flavors.

Instant Knockout promises a 30-day money-back guarantee. The payment options are PayPal, Amazon Pay, Visa, and Master cards. There is free shipping only to the UK and the US, except if you purchase their Ultimate Cutting Stack, and they have a return policy.

I am not saying they are magic pills, but never before have I lost excess body fat like crazy! I had to order an extra bottle of Instant Workout because I was afraid they might run out.

Becky Antoniette


  • Suppresses appetite
  • Contains natural ingredients
  • Reduces caloric intake
  • 90-day money-back guarantee
  • Not designed for men
  • Many capsules for daily doses

Powher thermogenic fat supplement is a blend of minerals, plant extracts, and organic stimulants produced to create an effective fat-burning formula. This thermogenic fat burner contains ingredients that support healthy metabolism, reduce food cravings, decrease fatigue levels, and increase stamina. Powher produces its supplements in GMP and FDA or BRC-certified facilities. 

The thermogenic ingredients include glucomannan, soluble fibers, choline, chromium picolinate, and coffee arabica. Other nutrients are magnesium, selenium, and amino acids such as tyrosine, leucine, and beta-alanine.

Powher guarantees money back after 90 days and free shipping on purchasing two or more items and ships worldwide from the USA and UK, operating a tracked delivery service. The available payment options are Paypal, Maestro, Master, and Visa cards. 

Powher was a complete godsend!! not only are the ingredients effective, but there are no harmful stimulants either.

Mary, UK


  • Reduces stress levels
  • Reduces cravings
  • Enhances mental clarity
  • Natural and vegan-friendly
  • Designed only for men
  • High caffeine content

PrimeShred has an FDA and GMP-approved manufacturing facility in the U.S.

Their fat-burning supplements contain ingredients clinically backed and shown to improve the body’s fat-burning process. It helps burn fat without losing muscle mass to maintain an athletic look. PrimeShred thermogenic fat burner is an advanced high-potency formula that caters to the vegan demographic.

The thermogenic ingredients include Green tea extract, Rhodiola rosea root, dimethylaminoethanol (as DMAE Bitartrate), cayenne pepper, Bioperine black pepper, and caffeine anhydrous. Other nutrients include vitamins B3, B6, B12, and amino acids tyrosine and leucine.

PrimeShred offers free shipping and a money-back guarantee within 100 days of your purchase. They also promise 100 percent secure checkout using any available payment option – Visa or Mastercard and American Express.

I’ve tried different thermogenic and fat burners over the years. Many of them cause nausea, jitteriness, and significant dehydration. PrimeShred is different, and I highly recommend it. I am able to take it alongside other staked supplements without getting dehydrated and without experiencing over-stimulation.



  • For both men and women
  • 100 percent scientifically proven natural ingredients
  • Reduces cravings
  • Quite expensive
  • High caffeine content

PhenGold has in-house experts who formulate their maximum strength, multi-action fat burner using clinically tested ingredients. The ingredients activate fat-burning hormones that stimulate stored fat breakdown, reduce cravings, and boost energy levels.

The thermogenic ingredients include Green tea and coffee extract, rhodiola, cayenne pepper, caffeine, dimethylaminoethanol (DMAE), L-theanine, L-tyrosine, and vitamins B3, B6, and B12.

PhenGold offers free and fast shipping anywhere in the world. You can make payments using a Visa or Mastercard, American Express, Discover, Apple Pay, Amazon Pay, PayPal, and all major credit cards. You will get a 20 percent discount using the code “GOLD.”

Within four weeks of adding PhenGold into my routine, I dropped 9 pounds and lost 2 inches around my waist! Seeing the weight dropping off gave me the boost I needed to keep going. And for the first time in months, I can feel my confidence starting to return.



  • Increases stamina
  • Retains lean muscle mass
  • Free delivery worldwide
  • Round-the-clock customer support
  • Non-vegan

Clenbutrol is an effective weight loss supplement designed as a safe alternative to the synthetic thermogenic steroid—Clenbuterol. It causes weight loss without reducing muscle by suppressing appetite. It also enhances stamina and increases energy.

Clenbutrol thermogenic fat burner is free of GMO, dairy, and artificial sweeteners and flavors. However, the weight loss pills have a gelatin coat, rendering them unsuitable for the vegan demographic.

The thermogenic ingredients include garcinia cambogia, bitter orange extract, guarana extract, and vitamin B3. Other ingredients are gelatin, cellulose, microcrystalline silica, vegetable stearate, and maltodextrin.

Clenbutrol offers free worldwide shipping on single and bulk packs. They have a 14-day return policy and discounts available on every pack. The available payment options include PayPal, Visa, and Mastercard.

Used it for cutting phase, found change in metabolism and looking forward for best results, even discount offers at present are good.


What Are Fat Burners?

Fat burners[5] are nutrition supplements that researchers believe increase fat metabolism, lessen fat absorption, accelerate weight loss and fat oxidation during exercise, or cause long-term adaptations that enhance fat metabolism. 

The best way to use fat burners is in combination with eating a healthy diet and exercise routine. These supplements will help you shed excess fat by speeding up the process of burning fat.

Health Benefits Of Fat Burners

Increase Body Metabolism 

Fat burners contain key ingredients that increase the metabolic rate in the body and burn calories. More examples of these ingredients are yohimbine and rhodiola.

Boost Body Energy 

As the active ingredients of fat burners stimulate metabolism, the body can burn excess fat and convert it to energy on which the body runs.

Maintain Healthy Appetite 

Eating more than you require at a go will only make you gain excess calories that will culminate in more body fat. With fat burners, you can manage your appetite and eat healthy portions.

Are Fat Burners Safe?

First, the FDA doesn’t regulate supplements. Therefore, whether or not fat burners are safe depends on the company that produces them. However, the FDA has placed harmful ingredients such as ephedra on a ban. Some companies don’t list all their ingredients, some of which could be unsafe. This is why you should only purchase your fat burner from a reputable company.

What To Consider When Choosing Fat Burners

To get the ideal best fat-burning supplements, consider the following:

  • The Ingredients: The ingredients used suggest the mechanism of action of the fat burner. Be sure to check out the ingredient list and even the product lab reports on the company’s website.
  • The Manufacturers: You should consider the reputation of the manufacturers you wish to patronize. Some companies have received warnings from the FDA concerning their ingredients. You don’t want to take in harmful substances on your weight loss journey.
  • Scientific Research: What has research said about the ingredients in your fat burner of choice? Look up each ingredient online and see what research has to say about them to verify the claims made by the manufacturer.
  • Underlying Medical Condition(s): Fat burners may not be compatible with certain medical conditions or medications. If you have any medical condition, you should seek your physician’s advice on fat burners. Also, pregnant and breastfeeding women should not take fat burners.
  • Customer Reviews: You can know which products do what they claim to do following the reviews of other users. Visit independent review websites and see what people have to say.

Final Thoughts

Fat-burning pills might just be your key to healthy weight loss. If you have tried other weight loss methods to no avail, you should consider thermogenic fat burners. They work by increasing metabolism, curbing your appetite, or suppressing fat absorption. Only purchase fat burners from reputable companies like the ones in this review and seek the advice of your physician.

Frequently Asked Questions (FAQs)

When is the best time to take fat burners?

The best time to take fat burners is early in the morning, before breakfast, and before exercising. In the morning, your metabolism is slower, and the fat-burning pills speed it up, giving you a burst of energy for your exercise.

Do fat burners cause any side effects?

Depending on how you take your fat-burning supplements, you may experience some side effects such as sleep difficulties because of caffeine, raised blood pressure from increased metabolism, and increased stress levels from raised cortisol.

Will fat burners also help with stubborn belly fat?

Yes! From our list, you can get the best fat burner for belly fat, but it is important that you understand that you cannot target which areas of your body that fat burns the quickest.

Apart from fat-burning pills, are there natural fat-burners?

Yes, the natural fat burners make up the ingredients used in the pills. Examples include caffeine, green tea extract, soluble fiber, yohimbine, cayenne pepper, and protein powder.

+ 5 Sources

EHproject has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We work mostly with peer-reviewed studies to ensure accurate information. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

  1. Dulloo, A.G., Geissler, C.A., Horton, T., Collins, A. and Miller, D.S. (1989). Normal caffeine consumption: influence on thermogenesis and daily energy expenditure in lean and postobese human volunteers. The American Journal of Clinical Nutrition, [online] 49(1), pp.44–50. doi:https://doi.org/10.1093/ajcn/49.1.44.
  2. Himms-Hagen, J. (1989). Role of thermogenesis in the regulation of energy balance in relation to obesity. Canadian Journal of Physiology and Pharmacology, [online] 67(4), pp.394–401. doi:https://doi.org/10.1139/y89-063.
  3. Dulloo, A., Seydoux, J., Girardier, L., Chantre, P. and Vandermander, J. (2000). Green tea and thermogenesis: interactions between catechin-polyphenols, caffeine and sympathetic activity. International Journal of Obesity, [online] 24(2), pp.252–258. doi:https://doi.org/10.1038/sj.ijo.0801101.
  4. Edwards, M. and Mohiuddin, S.S. (2022). Biochemistry, Lipolysis. [online] Nih.gov. Available at: https://www.ncbi.nlm.nih.gov/books/NBK560564/.
  5. Jeukendrup, A.E. and Randell, R. (2011). Fat burners: nutrition supplements that increase fat metabolism. Obesity Reviews, [online] 12(10), pp.841–851. doi:https://doi.org/10.1111/j.1467-789x.2011.00908.x.


Christine is a certified personal trainer and nutritionist with an undergraduate degree from Missouri State University. Her passion is helping others learn how strong and healthy they can become by transforming their daily habits. Christine spends… See More