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Best Fat Burner in 2024: Top Supplements for Effective Weight Loss

Even with dedicated efforts in diet and exercise, shedding excess fat can be nothing short of frustrating, as stubborn weight seems unwilling to go away and your body goals are still off in the distance.

It's at this juncture that the discussion shifts to best fat burners — a complementary aid packed with ingredients known for their fat metabolism-enhancing properties. The use of such supplements may offer the added boost needed to break through barriers on your fat loss journey.

After researching the available products in the market, we have compiled a list of what we consider to be the best fat burning supplements. Browse through our offerings to find the fat burner that best aligns with your preferences.

Best fat burner: supplement shortlist

  1. Fat Burn Active — best fat burner on the market
  2. Terra Origin — best fat burner to boost metabolism
  3. Swolverine — best fat burner supplement that’s budget-friendly
  4. Legion — best fat burner available both with and without caffeine
  5. Bulk — best fat burning supplement for workout performance
  6. ATH — best fat burner for appetite control
  7. mindbodygreen — plant-based fat burning pills

How we compiled the best fat burning supplements in 2024

When putting together our list of the best fat burners, we took a careful look at a few key things to make sure we gave a well-rounded and accurate evaluation. Here's more detail on that:

Brand reputationTrustworthy
Safety aspectWith a low level of risk involved
PriceOptions at different price points
  • Ingredients. Our top priority was to include products containing active ingredients backed by research and documented benefits in promoting fat loss.
  • Brand reputation. Established and reputable companies with a history of producing high-quality supplements were given preference in our rankings.
  • Safety aspect. Our primary concern was to ensure that the products posed minimal health risks. One key consideration was the presence of stimulants, such as caffeine, in the fat burners.
  • Price. With consumers in mind, we made an effort to include options at different price points. Products that offered a good balance of quality and affordability ranked higher on our list.

Strongest fat burners: supplement reviews

As interest grows in the best fat burning supplements and their potential role in shedding pounds, our research has highlighted a set of fat burners that truly stand out. Join us as we unveil our findings.

1. Fat Burn Active — best fat burner on the market

Fat Burn Active

If you're someone who is searching for fat burners that actually work, Fat Burn Active might just fit the bill. Crafted with athletes' demands in mind, this powerhouse of a supplement is formulated to accelerate fat loss, boost metabolism, and support intense physical activity — ideal for even the most demanding workouts.

With 11 active ingredients in its arsenal, Fat Burn Active contains both caffeine and green tea extract — a group of scientifically supported compounds for weight loss.

The total caffeine content in this supplement is 120 mg per serving — well below the recommended safe daily limit.

In addition to the targeted ingredients for fat loss, Fat Burn Active includes essential micronutrients for optimal health, such as vitamins B5, B6, and zinc.

As of today, a one-month supply of Fat Burn Active is priced at $49.99. For those wanting to stock up for a couple of months in advance, the brand offers standard and best-value packages — there are appealing savings in them.

2. Terra Origin — best fat burner to boost metabolism

Terra Origin Metabolism Boost & Fat Loss

Designed to support fat loss and weight control, Terra Origin's product is one of the top rated fat burners that combines amino acids and natural plant extracts. For optimal effects, the brand recommends using it in conjunction with a balanced diet and regular exercise.

The Healthy Fat Burner, as labeled by its creators, comprises a total of 14 ingredients. Among these, L-carnitine, green tea extract, caffeine anhydrous, and cayenne pepper fruit extract are noteworthy for their known roles in weight loss. Each serving contains roughly 80 mg of caffeine.

Terra Origin’s supplements are manufactured according to Good Manufacturing Practice (GMP) standards in an FDA-approved and ISO-certified facility. Another detail worth mentioning that adds a reassuring touch is the brand’s 4.6-star rating out of 5 on Trustpilot.

A bottle of Terra Origin’s supplement, which contains a total of 60 fat burning pills, is currently available at the mere price of $15.50.

3. Swolverine — best fat burner supplement that’s budget-friendly

Swolverine Therm®

Branded as a natural thermogenic, Swolverine's Therm is formulated to kickstart your metabolism and promote an increased calorie burn even when you're at rest. If you're on the hunt for a wallet-friendly fat-burning supplement, Swolverine's product is the go-to choice in our books.

Incorporating a total of 20 active ingredients, Therm blends the likes of green tea extract, guarana, cayenne pepper, and vitamin B6 — ingredients often found in the best fat burning products.

The caffeine content within this supplement is 100 mg per serving. Mind you, the caffeine is derived from guarana, a natural source.

To secure your bottle of Therm, all you have to do is visit the official Swolverine website. There, you will find the product priced at $34.99. For added convenience and even greater savings, consider opting for the subscription model. This way, not only will you get a sweetened deal, but you will also make sure you're well-stocked for several months ahead.

4. Legion — best fat burner available both with and without caffeine

While Phoenix Fat Burner by Legion is advertised as a natural supplement for fat loss packed with 8 science-backed ingredients, the appeal of this supplement lies in its formulation.

This supplement offers a choice between the standard option, which contains caffeine, and a non-caffeinated alternative. Opting for the latter allows users to experience the desired benefits without the jitters or crashes often associated with caffeine intake. This, in particular, should grab the attention of those with heightened hypersensitivity to caffeine.

Per the brand, its supplement is manufactured in NSF-certified and FDA-inspected facilities that are compliant with current GMPs.

It is also tested in an ISO-accredited lab. This is to make sure not only that every bottle delivers precisely what is stated on the label but that it does so without any presence of heavy metals, microbes, or contaminants. Certificate of Analysis (COA) is available on the brand’s website.

The price for a one-time purchase stays consistent at $49.99, regardless of whether you choose the caffeinated or non-caffeinated option. The caffeinated version packs 200 mg of caffeine per serving.

5. Bulk — best fat burning supplement for workout performance

If you're someone who works out or plans to, Bulk's Complete Thermogenic supplement may be the one for you. It combines plant extracts and amino acids, each serving a different purpose for a well-rounded effect.

Within, you will find ingredients such as green tea extract, cayenne pepper, L-theanine, and L-tyrosine, not to mention a potent dose of caffeine — 300 mg per serving.

In addition, the supplement includes chromium picolinate, a mineral that may assist in regulating blood sugar levels and supporting the metabolism of carbohydrates and fats.

The Complete Thermogenic is priced at £16.99 and can be purchased through the official Bulk website. Unfortunately, as of today, this supplement is not directly available for purchase in the United States.

This product contains high amounts of caffeine. For generally healthy adults, the FDA recommends to not exceed the daily limit of 400 mg of caffeine. Consuming this product in conjunction with other dietary sources of caffeine or supplements containing caffeine may result in exceeding these recommended levels. Individuals should exercise caution and be mindful of their total daily caffeine intake to minimize the risk of potential adverse effects. Prior to using this product, especially if you have pre-existing health conditions or are sensitive to caffeine, we strongly recommend consulting with a healthcare professional.

6. ATH — best fat burner for appetite control

BURN by ATH is another fat-burning supplement on our list that is marketed by its creators to support your weight loss efforts, but it does so in a different way than others. It contains natural ingredients suggested to promote satiety and reduce hunger to keep you in a caloric deficit.

Among the common ingredients in this ATH product, such as green tea extract, caffeine, and cayenne pepper, you will also find Gymnema sylvestre leaf extract and konjac glucomannan, both included to help curb your appetite.

All ATH supplements, including its BURN offering, are manufactured in accordance with the latest cGMP guidelines. Additionally, the brand subjects its finished products to third-party testing to ensure they do not contain microbiological contaminants.

You can get your supply of BURN from the official ATH website. A bottle containing 30 servings is priced at $49.95 as of today. Each serving packs 120 mg of caffeine.

7. mindbodygreen — plant-based fat burning pills

Those on the lookout for a fat burner that is natural — and only contains active ingredients of plant origin — should look no further than mindbodygreen’s metabolism+ supplement.

Designed to help boost metabolism, increase calorie burn, and curb cravings, this product contains 4 active ingredients. Those are green tea extract, caffeine, cayenne pepper, and veld grape.

With each serving of this supplement, you will be getting a total of 150 mg of caffeine.

All of mindbodygreen’s products are manufactured in compliance with cGMPs in FDA-monitored facilities.

A one-time purchase of the metabolism+, good to last you a month, is priced at $60.

Comparison of the best fat burning supplements

BrandPrice per bottlePrice per servingTotal servingsServing sizeCaffeine content per servingActive ingredients
Fat Burn Active$49.99$1.66302 capsules120 mg11
Terra Origin$15.50$0.51302 capsulesRoughly 80 mg14
Swolverine$34.99$0.38901 tablet100 mg20
Legion$49.99$1.66303 capsules200 mg8
Bulk£16.99£0.56303 capsules300 mg9
ATH$49.95$1.66303 capsules120 mg9
mindbodygreen$60.00$2.00302 capsules150 mg5

Before incorporating weight loss supplements into your routine, it is crucial to understand that these products should not be considered the sole or rapid solution for achieving weight loss goals. Sustainable and healthy weight management involves a holistic approach that prioritizes a balanced diet and regular exercise.

How to choose the best fat burner in the market?

Before you decide on the best fat burner supplement that matches your preferences, it’s important that you take a moment to carefully evaluate your choice. Consider going through the tips we have laid out below:

  • Check the ingredient list. Check the ingredient list for scientifically-backed fat-burning components. Common effective ingredients include caffeine, green tea extract, L-carnitine, and piperine. Avoid products with proprietary blends that obscure individual ingredient dosages.
  • Examine labeling. Choose products with transparent labeling that clearly specifies the ingredients and their respective amounts used in the formulation. Also, if you happen to have any allergies, make it a priority to check for any potential allergens.
  • Assess the safety profile. Be cautious of products with excessive amounts of stimulants or those making exaggerated claims. Consider consulting with a healthcare professional if unsure.
  • Review real-world user experiences. Look for customer feedback on various platforms to understand the practical aspects of use and potential issues associated with the fat burner. Genuine user experiences can provide valuable insights into the product's performance and tolerability.

What ingredients effectively burn fat?

There are a number of ingredients that have been studied for their potential to promote fat burn and facilitate weight loss. Highlighted in the table below are those that have shown the most promise to date:

CaffeineIncreases muscle performance and energy expenditure. May enhance fat oxidation and metabolic rate. According to this meta-analysis, consuming caffeine could potentially lead to a decrease in weight, BMI, and body fat.
Green tea extractPromotes fat oxidation and has thermogenic properties — by means of these, it can support fat loss through multiple physiological pathways.In 11 randomized trials, a meta-analysis showed a meaningful drop in body weight, BMI, and body fat for those with type 2 diabetes.
L-carnitinePlays a role in the oxidation of fatty acids, allowing the body to use fats as an energy source.Meta-analysis of 37 randomized controlled trials involving 2292 participants revealed a notable reduction in body weight, BMI, and fat mass with L-carnitine supplementation.
Piperine or black pepper fruit extractEnhances nutrient absorption, supports metabolism. In this animal study, it was observed that piperine increased lipolytic enzymes, resulting in a significant decrease in body and fat weight.

It's important to point out that while these ingredients have shown promising effects, individual responses may vary. Instead of looking at these components as magic solutions, consider them as integral components of a comprehensive approach to a healthy lifestyle, which includes a balanced diet and regular exercise.

Do fat burning supplements actually work?

Even though there are many products out there on the market that claim the title of the best fat burner, the scientific evidence supporting their effectiveness is often mixed and inconclusive. While some studies suggest potential benefits, others have failed to demonstrate significant effects on weight loss or fat burning.

A short-term human study has revealed that the combination of green tea extract and caffeine led to a significant increase in 24-hour fat oxidation compared to the placebo group. These findings suggest a potential synergistic effect between green tea extract and caffeine in enhancing fat oxidation in the short term.

On the flip side, after comparing fat burners and thermogenic supplements to diet and exercise for weight loss, this meta-analysis suggests that including thermogenic dietary supplements may provide limited benefits in reducing body mass for those with excessive fat mass.

All things considered, while the best fat burner supplements are linked with some benefits in fat loss, their efficacy is not universally guaranteed and is often very individual. This makes approaching even those marketed as the best fat burning supplements with realistic expectations essential.

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