Top Fat Burning Supplements for Everyone (2025)

Although we collaborated with an expert to identify the most secure products available, it's wise to temper your expectations. Much like a protein powder won't magically build muscle, a fat burner won't cause immediate weight loss. For optimal outcomes, we suggest focusing on a regular exercise regimen and a diet abundant in unprocessed foods. We also advise seeking guidance from a healthcare provider before using fat burner supplements, particularly if you have any existing health issues. Nevertheless, we've chosen what we believe to be the top five fat burners currently on the market to assist you in making a secure selection.

Medical Disclaimer: This piece isn't meant to substitute professional medical counsel. For any health-related issues or guidance, please consult your doctor.

Best Fat Burners of 2025 

• Best Fat Burner Overall: PhenQ
• Best Fat Burner for Women: Legion Phoenix Fat Burner 
• Best Thermogenic Fat Burner: Jacked Factory Burn XT 
• Best Non-Stim Fat Burner: Transparent Labs Recomp Stim-Free 
• Best Fat Burner for Men: 1st Phorm L-Carnitine 

Top Fat Burners Ranked

Top Choice for Fat Burning: PhenQ

PhenQ

A fat burner with low stimulants and easy-to-take servings

Coins2Day score

4.5/5

Check Price

at PhenQ

Key product features

• Our thoughts: We like this fat burner for helping curb cravings
• Key ingredients: L-Carnitine, Capsimax, Nopal Cactus, Piperine
• Who it’s for: Folks wanting a solid all-around fat burner
• What makes it different: Only one capsule per serving

Pros and Cons

Pros

• Only 75 mg of caffeine per serving
• Contains unique ingredients, like Nopal Cactus
• 100% vegan and vegetarian

Cons

• Available in bulk for a discount
• Pricey
• Contains proprietary blends

Our Thoughts on PhenQ

PhenQ includes some common fat burner ingredients, such as caffeine. It also includes two unique ingredients, one made of nopal cactus, and one of red chili extract (Capsimax). Nopal cactus has been researched for its potential ability to help increase dietary fat excretion. However, research is limited, so this ingredient’s effectiveness is still unclear. Similarly, red chili extract has been studied for its potential weight reducing effects. However, while these ingredients may help support fat loss, more research is needed to create a firm connection between the two. 

PhenQ stands out as our premier choice due to its distinctive blend of components, designed to aid in shedding fat, preserving muscle mass, enhancing energy, and possibly managing hunger without relying heavily on stimulants. Additionally, its caffeine content of just 75 milligrams is a notable advantage compared to many alternatives presented here.

Our in-house dietitian, Pete, evaluated this fat burner. He initially rated Transparent Labs Recomp a perfect 5 out of 5, specifically mentioning his appreciation for its portable dimensions. Upon reviewing the usage directions more thoroughly, Pete also awarded this aspect a 5 out of 5. “The capsule is average in size, about 1 inch in length and 1 centimeter in diameter,” he commented. The recommended dosage is minimal (a single capsule), a characteristic our staff favors. Nevertheless, PhenQ suggests consuming one capsule with breakfast and another with lunch.

Pete reported zero adverse reactions or stomach problems following his use of this fat burner, awarding it a perfect 5/5 for side effects. In his overall assessment, he stated, “In my opinion, based on the ingredients and dosage levels, taking PhenQ alone without any lifestyle changes will not cause any significant weight loss. You will need to utilize this supplement in tandem with a nutritious well-balanced diet, regular exercise, a caloric deficit, and a quality sleep schedule to experience any real weight loss benefits.”

If you're not a fan of capsules, consider 1st Phorm’s L-Carnitine powder, a fat-burning option.

Specs

• Serving Size: 1 capsule
• Servings per Bottle: 60
• Price per Serving: $1.33
• Key Ingredients: L’carnitine L’Tartrate, InnoSlim, Caffeine, Capsimax, Nopal Cactus, Piperine
• Third-Party Testing: N/A

Legion Phoenix Fat Burner: The Top Choice for Women Seeking Fat Loss

Legion Phoenix Fat Burner

A natural thermogenic that combines mood and energy support

Coins2Day score

5/5

Check Price

at Legion Athletics

Key product features

• Our thoughts: We like the inclusion of 5-HTP in this fat burner for appetite suppression
• Key ingredients: PurCaf® Natural and organic caffeine, green coffee bean extract, Irvingia® IGOB-131 seed extract, green tea leaf extract, grains of paradise, 5-HTP
• Who it’s for: Women looking for both fat loss and mood support
• Its distinctiveness lies in a unique mix of African mango seed extract, a component that's been researched for its potential in aiding weight reduction.

Pros and Cons

Pros

• Formula is available with or without caffeine
• Vegetarian-friendly
• Discounts available if you purchase multiple packs at once

Cons

• Includes proprietary blends
• More expensive than other fat burners on our list
• Three capsules per full serving

Our Perspective on Legion Phoenix Fat Burner 

We've selected Legion's Phoenix Fat Burner as the top fat-burning supplement for women. While fat burners aren't exclusively for one gender, we appreciate that Phoenix offers women a caffeine-free option. Since caffeine affects individuals differently based on their body size and makeup, those with smaller physiques might opt for a non-caffeinated choice. 

Phoenix features components like 5-HTP for potential hunger and craving reduction, and grains of paradise, that might aid in lowering visceral fat. Additionally, it incorporates a special mix with Irvingia gabonensis,, which research suggests could help decrease body fat. Nevertheless, further investigation is required to definitively connect these elements to body fat loss and fully understand their possible impacts. Pete highlighted the distinctive nature of including Irvingia IGOB-131, remarking, “It’s not commonly seen in fat burner supplements. It is a patented extract of the African mango seed. Some clinical trials showed modest weight loss or metabolic improvements at a dose of 300 mg a day, which is the same dose in Legion’s Phoenix Fat Burner.”

Pete gave this fat burner a perfect 5 out of 5 for its initial impression, stating, “This product comes in a black container with a black and pink label. It’s easy to read and travel-friendly.”. He also found the instructions straightforward, awarding it another 5 out of 5. Similar to many fat burner supplements, it's advised to begin with a smaller amount, such as one capsule daily, to gauge your body's reaction. This fat burner's dosage is well-suited for individuals new to supplements or those sensitive to caffeine, aiming for peak effectiveness without side effects. For those seeking a non-stimulant alternative, Transparent Labs Recomp Stim-Free is suggested.

Pete gave Legion Phoenix a perfect score of 5/5 for both flavor and how easy it was to swallow. “The capsule is a standard size; about the width of a quarter. The recommended serving size is three capsules a day.” For those seeking a smaller dose for a complete serving, Transparent Labs Recomp, taken as two capsules, is a recommended alternative. 

Specs

• Serving Size: 3 capsules
• Servings per Bottle: 30
• Price per Serving: $0.56
• Key Ingredients: Green coffee, Irvingia, Green tea, 5-HTP, Grains of Paradise
• Third-Party Testing: Yes

Top Thermogenic Fat Burners: Jacked Factory Burn XT

Jacked Factory Burn XT

A thermogenic fat burner free of fillers, extra ingredients, and dyes

Coins2Day score

5/5

Check Price

at Jacked Factory

Key product features

• We find the blend of caffeine and cayenne pepper effective for a natural thermogenic fat-burning effect.
• Key ingredients: Acetyl L-Carnitine HCI, Green tea extract, caffeine anhydrous, Capsimax cayenne pepper extract, BioPerine
• Who it’s for: Folks who work out in the morning or midday
• What makes it different: Burn XT was part of a clinical study on its effects, published in 2022

Pros and Cons

Pros

• Subscribe and save for 15% off
• Contains no proprietary blends
• Acetyl L-Carnitine and green tea extract may offer cognitive support

Cons

• Full dose is four capsules per day, meaning a supply will last only fifteen days
• May cause jitters or side effects for folks sensitive to higher amounts of caffeine
• Relatively pricey

Our Take on Jacked Factory Burn XT 

For the premier thermogenic fat burner, Jacked Factory's Burn XT stands out due to its distinctive blend of Acetyl L-Carnitine HCL, green tea extract, caffeine anhydrous, Capsimax® cayenne pepper extract, and BioPerine®. These ingredients synergize to potentially boost your body's calorie expenditure and promote fat breakdown. The combination of Capsimax® and caffeine might contribute to increase your body’s thermogenesis, thereby aiding your body in burning additional calories through increased heat generation. However, like all fat burners, its effectiveness is maximized when combined with a balanced diet and consistent exercise routine. 

Pete's initial assessment of Burn XT was highly positive, awarding it a perfect 5 out of 5 for his overall first impression. “The container is aesthetically pleasing and would definitely stand out on a store shelf,” he commented. “The bottle is relatively small and would be easy to travel with, too.”  

During his trial of the product, he found the capsules simple to ingest, resulting in Jacked Factory receiving a score of 3 out of 5 for this aspect. He observed that the directions state that “the recommended serving size is dependent on the ‘experience’ of the user. The initial use is one capsule per day, then regular use is one capsule two times per day, and experienced user use is two capsules two times per day.”  

Pete's description of the capsule during testing was: “No taste, it is made of hypromellose instead of gelatin. There is no coating on the capsule.” He gave the taste a rating of 3 out of 5. 

Pete also gave Burn XT's potential side effects a rating of 3 out of 5, offering some advisories: “A two-capsule serving contains 270 mg of caffeine, which is a strong dose and could elicit side effects.”  If you're looking for a caffeine-free choice, Transparent Labs Recomp Stim-Free is our suggestion.

There are clear instructions on the label indicating not to take this fat burner on an empty stomach. The label also advises not to take these capsules within six hours of going to sleep, and not to exceed four capsules in a 24-hour period.  

“It’s worth noting that taking four capsules per day would put you over the USDA’s recommended upper caffeine limit of 400 mg per day,” Pete says. If you are sensitive to caffeine or experience jitters or anxiety with stimulants, we recommend that you try Transparent Labs Recomp Stim-Free instead, as it is free of any stimulants. 

Specs

• Serving Size: 1-2 capsules
• Servings per Bottle: 30-60
• Price per Serving: $0.49-$0.99
• Key Ingredients: Green tea, caffeine, capsimax, bioperine
• Third-Party Testing: N/A

Transparent Labs Recomp Stim-Free is the top choice for a non-stimulant fat burner.

Transparent Labs Recomp Stim-Free

A fat burner with stimulant-free ingredients meant to provide a jitter-free experience

Coins2Day score

5/5

Check Price

at Transparent Labs

Key product features

• Our thoughts: We like this fat burner for support managing hunger and burning calories
• Key ingredients: ForsLean®, Capsimax®, Paradoxine®, and green tea extract
• Who it’s for: Folks avoiding stimulants
• What makes it different: Includes common fat burning ingredients without a buzz

Pros and Cons

Pros

• Stimulant-free for folks sensitive to caffeine
• Contains no proprietary blends
• Gluten-free and non-GMO

Cons

• Subscribe and save is only a 10% discount
• May be less energizing due to lack of caffeine
• More expensive than other options on our list

Transparent Labs Recomp Stim-Free thoughts 

Transparent Labs Recomp Stim-free stands out as our top pick for a fat burner devoid of stimulants. Individuals who frequently consume pre-workout might find a stim-free fat burner more suitable. This product includes ingredients that have undergone study for their potential fat-burning benefits, like coleus forskohlii extract, which studies suggest could decrease body fat while preserving lean muscle. Nevertheless, it's crucial to maintain realistic expectations, as its results haven't significantly surpassed those of a placebo.

In addition to its other benefits, TL Recomp Stim-Free contains grains of paradise extract, which may aid in activating brown adipose tissue, potentially boosting energy expenditure and decreasing visceral fat, all without the inclusion of stimulants. For those who prefer a fat burner that does include stimulants, PhenQ is our recommended alternative.

Pete tried this fat burner, giving it a perfect 5/5 score initially. “It comes in a white plastic container with a metallic white and blue label. It looks good, is easy to read, and travel friendly,” he commented.

He gave the instructions a 3/5 for clarity and adherence, mentioning that certain points in the directions require careful consideration. The guidelines suggest taking two capsules two times each day, 30 to 60 minutes prior to eating. “Start with one capsule, twice daily, to access tolerance for the first three days, then gradually increase dosage,” Pete commented. 

Consider setting phone alarms to remind you to take this twice daily before eating. The instructions also suggest that you “never consume more than two capsules in a four-hour period and/or consume more than four capsules in a 24-hour period. Do not take within four hours of bedtime.” Therefore, even though it contains no stimulants, it's advisable not to consume this fat burner late in the day. 

Pete reported no adverse reactions from this fat burner and found no disagreeable taste or lingering flavor from the capsules, assigning the taste a score of 3 out of 5. Individuals seeking a stimulant alongside these components might consider Transparent Labs Recomp, which contains 125 milligrams of natural caffeine. 

Specs

• Serving Size: 2 capsules
• Servings per Bottle: 60
• Price per Serving: $0.91
• Key Ingredients: Green tea leaf extract, Forslean, Paradoxine, capsimax
• Third-Party Testing: Yes

1St Phorm L-Carnitine: The Top Fat Burner for Men

1st Phorm L-Carnitine

The only fat burner on our list available as a mixable, flavored powder

Coins2Day score

5/5

Check Price

at 1st Phorm

Key product features

• Our thoughts: This option includes fucoxanthin to potentially aid fat burning
• Key ingredients: L-carnitine L-tartrate, green tea leaf extract, BioPerine, fucoxanthin
• This is designed for men seeking a straightforward fat burner that can be combined with pre-workout or protein supplements.
• What makes it different: Contains a high dose of 1500 mg L-carnitine per scoop

Pros and Cons

Pros

• Can be stacked with pre-workout or protein
• Available in five flavors
• Mixes up smoothly with no grittiness or chunks left behind

Cons

• Contains artificial sweeteners
• Third-party testing information is not available
• L-carnitine may cause mild digestive side effects

Our Perspective on 1st Phorm's L-Carnitine  

It's worth repeating that fat burners aren't designed for a specific gender. However, for men who prefer to combine their supplements, such as adding L-carnitine to a creatine supplement, 1st Phorm L-Carnitine is a good choice. Offered as a powder that can be mixed into drinks in five distinct flavors, 1st Phorm L-Carnitine aims to aid fat burning without relying on strong stimulants. The increased L-carnitine dosage could potentially enhance your workout performance, stamina, and strength, which, as noted in a 2021 study, might contribute to greater fat reduction. 

Pete evaluated this fat burner, giving it a perfect 5/5 score initially. The 1st Phorm L-Carnitine is packaged in a white tub featuring a metallic white and blue design. Pete commented, “The label is easy to read and includes scannable QR codes for more information about the product. The scoop was easy to find, it’s small and the container was easy to open.” However, powdered supplements can sometimes be less practical. For those who favor capsules, PhenQ is a good alternative.

The product mixed well with eight ounces of water, earning a 5 out of 5 for mixability. “After shaking for sixty seconds, the product is fully dissolved; it has a smooth texture with no visible chunks or further shaking required,” Pete said. 

Our tester rated the taste a 3 and the sweetness a 5, noting the inclusion of artificial sweeteners in his rating. “The product is sweetened with both sucralose and acesulfame potassium, coming off as pretty sweet, bordering on being too sweet.” Pete liked the berry lemonade flavor and noted that it is “isn’t gritty or foamy, but it does have a chalky aftertaste.” 

Pete suggests 1st Phorm L-Carnitine as a suitable option for those who prefer not to swallow pills and would rather have a flavored powder to mix into a drink. “The L-carnitine is dosed well at 1,500 milligrams, and the fucoxanthin dosed at 2.5 milligrams may help with fat oxidation.”  

Fucoxanthin is a component of edible brown seaweed, frequently present in macro- and micro-algae. It might aid your body in fat combustion by stimulating genes and enzymes, which boosts your metabolic rate, assists your body in lipid breakdown, and can also trigger thermogenesis in white adipose tissue, the predominant fat type in your body. 

Specs

• Serving Size: 1 scoop
• Servings per Bottle: 60
• Price per Serving: $0.75
• Key Ingredients: L-carnitine l-tartrate, green tea leaf extract, bioperine, fucoxanthin
• Third-Party Testing: N/A

Our Process for Choosing Top Fat Burners 

We assessed and rated fat-burning supplements from 1 to 5, considering aspects like initial perceptions, clear instructions, flavor, adverse reactions, and cost per dose. Our evaluators judge the items based on their personal experiences and tastes. Subsequently, we analyze their testing input and information to present our conclusions and suggestions.

Formula 

We work with a registered dietitian (RD) during testing to find the most effective and safe fat burning formulas. We primarily focus on supplements without artificial sweeteners and other additives, while prioritizing clinically dosed formulations. 

When it comes to fat burners, it's important to understand there isn't a rapid solution or a miracle product for shedding pounds. Our team emphasizes that the primary drivers of fat loss are a well-rounded diet and a regular fitness regimen. Nevertheless, if you're determined to purchase a fat burner, we aim to present the most secure choices available, given the prevalence of questionable items on the market.

Serving Size 

When assessing supplements packaged as capsules, we prioritize the serving size and how easily they can be taken. These factors can influence your overall consumer experience and your likelihood of continuing the supplement regimen over time. Typically, pills that are smaller and have a good shape are simpler to swallow.

When it comes to fat burners, we prefer options that don't require multiple doses daily. 

Taste and Texture 

Taste plays a crucial role in our evaluation. Testers are instructed to offer their opinions on the palatability, consistency, and overall flavor profile of every supplement examined, especially regarding fat-burning products, our attention is directed towards the taste of the capsule itself, as flavorings can occasionally be incorporated into the outer shell. Additionally, we request testers to report any lingering aftertastes they might perceive. 

Third-Party Testing 

Our goal is to choose fat-burning supplements that have undergone third-party verification. This independent testing confirms the product's safety, purity, and the accuracy of its nutritional information, thereby minimizing the chances of incorrect labeling or insufficient dosages. Furthermore, third-party checks for dangerous contaminants like heavy metals and pesticides. For athletes, this testing is crucial to confirm their chosen fat-burning supplement is free from prohibited substances. Since the FDA (U.S. Food and Drug Administration) doesn't oversee supplements, independent testing is essential for guaranteeing safety, precision, and overall quality. 

Side Effects 

Our evaluators diligently track any adverse effects observed while and following the consumption of fat-burning products, methodically documenting instances of digestive discomfort, shifts in vitality, and other indicators. Through meticulous record-keeping of responses like sickness, spasms, fullness, nervousness, and head pain, they assist in pinpointing common patterns in how well the products are tolerated and what to be aware of. 

Value 

We prioritize brands that procure their components domestically and possess accreditations like Informed Choice when evaluating value.

Choosing the Optimal Fat Burner for Your Needs 

Your specific requirements for fat burner supplements will vary based on your fitness objectives, dietary restrictions, any allergies you may have, and existing health issues.  

Here’s what to consider when selecting the best fat burner for you. 

Formula 

When selecting an effective fat burner formula, it's crucial to acknowledge that individual dietary habits and sensitivities vary. We suggest looking out for typical allergens, synthetic components, sweeteners, or stimulants, opting for what aligns with your personal health requirements. For those sensitive to caffeine or experiencing digestive issues, prioritizing formulations with clear, straightforward ingredient lists, detailing each component and its amount rather than hidden within a proprietary mix, is advisable.

Effective fat burners are formulated using scientific research and contain no artificial components or unnecessary additives. Crucially, if you're thinking about using a fat burner, particularly if you have a pre-existing health issue or are currently on medication, it's advisable to consult your physician beforehand, as certain dangers have been noted to interact with fat burners. 

Your Fitness Goals 

Each athlete and fitness enthusiast has distinct training objectives: perhaps you're focused on shedding fat, achieving a leaner physique, boosting daily energy, or enhancing endurance. When selecting a fat-burning supplement, it's crucial to factor in your workout intensity, performance aspirations, and personal tastes, like your tolerance for caffeine or stimulants. 

Expectations 

When thinking about adding a fat burner, it's crucial to manage your expectations; these aren't magic solutions that will eliminate fat by themselves. Although certain components in fat burners might aid in boosting your metabolism, energy, and appetite regulation, their impact is typically minor and shouldn't substitute for a diet of whole foods and regular physical activity. It's advisable to have a sensible outlook on fat burners, always making your health and well-being the primary concern. 

Prior to incorporating fat burners into your supplement regimen, we suggest focusing on nutritious meals and regular physical activity to aid in your fat reduction efforts. 

Cost 

It’s important to review a fat burning supplement’s ingredient list and formulation before purchasing. Supplements tend to be expensive, so reviewing added stimulants, flavors, and the form (capsules or powder) of the supplement can help you budget when making your purchase.  

Third-Party Testing 

When selecting a new fat-burning supplement, we advise verifying that it has undergone testing by an independent third party. This independent verification confirms the supplement's safety, purity, and the accuracy of its nutrition label, thereby minimizing the chances of mislabeling or underdosing. Furthermore, third-party testing screens for hazardous materials like heavy metals and pesticides, ensuring overall safety. 

Possible Advantages of Fat Burners 

Fat burners are formulated to aid in weight management and offer various advantages. Their efficacy and benefits are often contingent upon the ingredients and their administration at clinically validated dosages. Below are some of these advantages: 

• Thermogenesis: Fat burners are often formulated with ingredients intended to increase thermogenesis. This is the process of heat production in the body that helps raise metabolic rate and calorie expenditure. Ingredients such as caffeine, capsaicin/cayenne pepper extract, and green tea extract are commonly included and have been shown to potentially help boost your resting energy expenditure and caloric burn. For example, cayenne (capsaicin) and green tea have demonstrated an increase in fat burning in some studies and multi-ingredient thermogenics may also lead to an increased metabolic rate over several hours after consumed. However, as mentioned, you’ll see the best results when you pair supplements with a healthy diet and exercise routine. 
• Lipolysis: Lipolysis is when your body breaks down stored fat into free fatty acids for energy. Several fat burner ingredients are linked to enhanced lipolysis, including L-carnitine, green tea extract, forskolin, and bitter orange.  
• Appetite suppressants found in fat burning supplements, such as Appetite suppression: , 5-HTP, green tea extract, and garcinia cambogia, are known to help reduce feelings of hunger. This reduction in hunger can potentially lead to fewer cravings. 

How to Take a Fat Burner Pill 

It's crucial to strictly adhere to the directions on the fat burner supplement's packaging and avoid exceeding the suggested maximum amount. Proper dosing enhances benefits and reduces potential side effects like headaches or nausea. Because formulas vary in potency, pay attention to any timing recommendations on the label; some fat burners are most effective when consumed thirty to sixty minutes before eating or before a morning workout.

It's also a good idea to consult your physician about any supplements you're considering incorporating into your regimen, especially if you're on any medications or have existing health concerns. 

Key considerations when selecting fat burner supplements. 

When selecting fat burner supplements, it's advisable to steer clear of items lacking independent third-party evaluation. This testing is crucial for reliably confirming that the product's contents match the amounts stated on its label. Supplements without this verification might have incorrect dosages, undisclosed stimulants, or even ingredients that could pose health risks. 

Clear labeling is also beneficial if you're steering clear of stimulants or require verification of potential interactions with current prescriptions or other supplements you're consuming. 

It's also advised to steer clear of supplements lacking customer reviews, ratings, or feedback. Opting for fat burners that are publicly reviewed, transparently labeled, and independently tested will contribute to your safety and overall wellbeing. 

Frequently asked questions