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Best Fat Burners – Review Top Fat Burner Supplement Rankings

Fat burners make it easier to lose weight.

A good fat burner supplement signals your body to start burning fat for energy. By burning fat for energy, you could lose weight.

Some people use fat burners to break through plateaus, while others use fat burners to complement a diet and exercise program. Some use fat burner supplements to kickstart a weight loss transformation or cleanse.

What are the best fat burner supplements available today? Which fat burner supplements work best for weight loss? How much weight can you lose with a good fat burner?

Our editorial team answered those questions by contacting manufacturers, checking lab reports, poring over research, and personally testing top-rated fat burner supplements.

Ranking the Best Fat Burner Supplements in 2021

After much deliberation, here’s how our editorial team ranked the best fat burner supplements available today.

  • Java Burn
  • BioFit
  • PhenQ
  • Okinawa Flat Belly Tonic
  • Meticore
  • Beyond 40 Lean Belly 3X
  • Leanbean
  • Burn Lab Pro
  • NitriLean
  • Hunter Burn
  • Cellucor SuperHD Fat Burner
  • Powher Fat Burner
  • cAMP Boost
  • Instant Knockout Cut
  • PhenGold
  • CircadiYin
  • Resurge
  • CarboFix
  • Biotox Gold
  • KetoCharge

Java Burn

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Java Burn has taken the weight loss supplement space by storm in recent weeks. Mix the dissolvable, tasteless powder into your morning cup of coffee to enhance its fat-burning effects.

Inside Java Burn are natural ingredients (like green tea extract) that complement the chlorogenic acid, caffeine, and other natural fat-burning ingredients within coffee.

By taking Java Burn daily, you can purportedly lose a significant amount of weight. The makers of Java Burn claim their formula will improve your health, torch fat away from problem areas, and electrify your metabolism, among other unique benefits we don’t typically see.

BioFit

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BioFit is a weight loss formula priced at $69 per bottle. According to the official website, you can expect to lose anywhere from 42 to 72lbs in a short time while taking BioFit, all by optimizing your digestive tract.

BioFit works differently than other fat burners listed here. Instead of flooding your body with stimulants, BioFit uses natural ingredients to support digestion, helping you lose weight naturally.

Developed by Chrissie Miller, BioFit is also backed by a 180-day money-back guarantee, giving you ample time to try the formula to see if it works. If you don’t lose 50 or more pounds within the first few months of taking BioFit, then you’re entitled to a complete refund.

PhenQ

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Other fat burners target weight loss from one or two directions. PhenQ, however, is a combination of five powerful weight loss pills in one convenient formula.

Inside PhenQ, you’ll find natural ingredients that suppress your appetite, block fat storage, burn away stored fat, and boost mood and energy. By taking two tablets of PhenQ daily, you can enjoy powerful fat-burning effects in a fast and convenient way.

PhenQ is also one of the internet’s best-selling fat burners. With 190,000+ bottles of PhenQ sold to date, PhenQ continues to be one of the best choices for natural fat burners at a discount rate.

Okinawa Flat Belly Tonic

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The people on the Japanese island of Okinawa are famous for their longevity. Okinawa is a Blue Zone, which means it’s home to more centenarians than other parts of the planet. Okinawa Flat Belly Tonic implements lessons from Okinawa to fight inflammation throughout the body, making it an effective fat burner.

By taking Okinawa Flat Belly Tonic daily, you can purportedly support digestion, metabolism, and inflammation throughout the day. The manufacturer recommends taking one scoop of the formula before 10 am for optimal health and wellness.

While other fat burners work by stimulating your body to burn fat, Okinawa Flat Belly Tonic works by supporting inflammation, helping you kickstart your body’s natural fat-burning processes. Packed with superfoods, vitamins, minerals, and natural extracts, Okinawa Flat Belly Tonic is one of the internet’s most popular fat burners.

Meticore

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Meticore has built a reputation as one of the internet’s top fat burners over the last few years. Today, Meticore continues to be a popular and well-rated fat burner.

Like other fat burner supplements, Meticore claims to target your metabolism. However, Meticore works uniquely due to the idea that low core body temperatures cause weight gain. By raising your internal body temperature, Meticore claims to make weight loss effortless.

The makers of Meticore claim their formula has no reported side effects and is safer than a multivitamin. You take one capsule daily to target low core body temperatures, accelerating weight loss results.

Beyond 40 Lean Belly 3X

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Beyond 40 Lean Belly 3X is a fat burner supplement marketed to older adults who want to lose weight. Taking Lean Belly 3X routinely can cool down inflammation, control blood sugar, and promote healthy arteries while metabolizing fat cells.

Priced at $59 per bottle, Lean Belly 3X contains proven fat-burning ingredients like 1,500mg of conjugated linoleic acid (derived from safflower seed oil). While other fat burners have dozens of ingredients at low dosages, Lean Belly 3X emphasizes one primary component at a strong dose for maximum fat-burning power.

A 60-day money-back guarantee backs lean Belly 3X. Plus, Beyond 40 has added black pepper extract (Bioperine) for enhanced absorption and better bioavailability.

Leanbean

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Leanbean is a weight loss formula marketed primarily to women who want to lose weight. Each serving contains 3g of fiber in the form of glucomannan.

Like other sources of fiber, glucomannan forms a gel-like paste inside your digestive tract that pushes toxins out of your body. Some take Leanbean before a cleanse. Others take Leanbean daily for weight loss.

Leanbean is a popular and well-rated fat burner supplement with no stimulants and all-natural ingredients to provide meaningful weight loss results.

Burn Lab Pro

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Burn Lab Pro is a fat burner that aims to provide targeted weight loss results without impacting your muscle. While other fat burner supplements burn weight from all over your body, Burn Lab Pro contains ingredients to eliminate fat while keeping your muscles strong.

Burn Lab Pro is safe, natural, and stimulant-free. It contains ingredients like forskolin or Forslean, capsaicin or Capsimax, HMB, and chromium, among other elements.

Burn Lab Pro claims to work in a four-step process to ignite, burn, boost, and build. If you want to burn fat, cut away unwanted pounds, and promote lean muscle mass underneath, Burn Lab Pro is one of the best fat burners available.

NitriLean

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NitriLean is a fat-burning supplement that claims to burn 1.8lbs of fat every 36 hours. The supplement also claims to increase fat burning, decrease food cravings, support healthy blood flow, and even increase longevity, among other benefits.

As you may have guessed from the name, NitriLean works by targeting the body’s nitric oxide (NO) production. Your body naturally produces nitric oxide throughout the day. However, some people take NO supplements daily to relax blood vessels and support blood flow.

Using 100mg of beetroot extract and other ingredients, NitriLean can support nitric oxide production, kickstarting your natural fat-burning processes and making it easier to lose weight. The supplement also contains other proven fat-burning ingredients, including 500mg of organic green tea extract and 100mg of hawthorn extract.

Hunter Burn

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Hunter Burn is a fat-burning supplement designed to burn belly and waist fat using proven ingredients. You take six capsules per day, making Hunter Burn one of the highest-dosed formulas on our list.

Each serving of Hunter Burn contains 3,000mg of konjac root extract. It’s a type of fiber and appetite suppressant that reduces calorie intake. You feel fuller, so you naturally eat less. Instead of burning fat by flooding your body with stimulants, Hunter Burn supports your body’s natural loss processes.

Also known as Burn by Hunter Evolve, Hunter Burn also contains green tea extract, L-theanine, cayenne pepper, vitamin D, white kidney bean, and other ingredients linked to weight loss. With a combination of fiber and proven weight loss boosters, Hunter Burn is one of the best fat burner supplements available in 2021.

Cellucor SuperHD Fat Burner

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Cellucor SuperHD Fat Burner is an all-in-one weight loss aid, appetite suppressant, and energy booster with caffeine, green tea extract, and other proven weight loss ingredients.

What separates Cellucor SuperHD Fat Burner from other supplements on this list is its value: at around $28 for a 30-day supply, Cellucor SuperHD offers excellent value without compromising on quality.

Each capsule of Cellucor SuperHD contains 193mg of amla fruit extract, dandelion, capsaicin, and other natural ingredients. There’s also 160mg of caffeine anhydrous and 150mg of green tea extract, among other proven fat burners. Cellucor is one of the best-known names in the bodybuilding supplement space, and it’s SuperHD Fat Burner remains one of the most popular fat burner supplements available today.

Powher

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Powher is a fat burner supplement for women that uses clinically proven ingredients to promote fitness goals, reduce cravings and calorie intake, support normal fat metabolism, and boost energy during exercise.

Like other top-rated fat burners listed here, Powher works using a hefty dose of fiber. Each serving of Powher contains 3,000mg of glucomannan. Glucomannan fills your stomach and tricks you into thinking you’re full. It pushes waste out of your body.

Other ingredients in Powher include natural caffeine, choline, and chromium picolinate, all of which can be found in other fat burners sold online today. Powher is also one of the few fat burner supplements on our list that discloses all ingredients and dosages upfront instead of using proprietary formulas.

cAMP Boost

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cAMP Boost is a weight loss supplement that promises to give you hassle-free weight loss. Priced at $67 per bottle, the supplement targets an enzyme called PDE-4 within your body. That enzyme blocks fat burning signals from being sent to your cyclic adenosine monophosphate (cAMP), which is the most important messenger for fat burning.

To make a long story short, cAMP Boost tells your cAMP messengers to start burning fat to lose weight. TO do that, cAMP Boost contains unique ingredients we don’t see in the other formulas listed here, including grapefruit extract, guarana seed extract, and grains of paradise, among others.

With transparent labeling and a competitive price, cAMP Boost continues to be one of the top-rated names in the fat burner supplement space.

Instant Knockout Cut

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Instant Knockout Cut comes in a bottle shaped like a fist, distinguishing it from other formulas listed here. Instant Knockout has released this formula since 2014, and they recently launched the new and improved version to maximize weight loss effects.

Today, Instant Knockout Cut uses vitamin D3, vitamin B6, L-theanine, caffeine, green tea extract, and other proven fat burners to make it easier to lose weight. Some of these ingredients boost metabolism, while others kickstart weight loss in other ways.

Overall, the goal of Instant Knockout Cut is to give you the power to shred like a pro. If you want to cut fat without ruining your muscle mass, then Instant Knockout Cut may be the right choice for you.

PhenGold

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PhenGold is a fat burner supplement that uses a multi-action formula to burn fat, reduce cravings, and boost metabolism, among other benefits.

Featuring clinically-proven ingredients and backed by a money-back guarantee, PhenGold emphasizes real, lasting weight loss for people with all different weight loss goals.

Some use PhenGold to jumpstart a new weight loss program. Others use PhenGold to break through frustrating plateaus. Key ingredients include 500mg of green tea extract, 100mg of green coffee bean, and 350mg of L-tyrosine, all of which are among the most proven fat burner ingredients available today.

CircadiYin

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CircadiYin targets weight loss from a unique angle. While other fat burners boost energy and raise metabolism, CircadiYin works by optimizing your circadian rhythm, which is the natural day/night cycle within your body.

If you aren’t getting aren’t sleep at night, then your body struggles to lose weight. It adds unnecessary stress to your body, making weight loss harder.

To target sleep, CircadiYin uses several proven ingredients that kickstart your body’s natural body’s cycles. According to the official website, men and women taking CircadiYin have lost 30 to 65lbs in a short period of time with minimal effort required.

Resurge

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Resurge is best-known as a metabolism booster, but it also has powerful fat-burning benefits. Studies show that Resurge could support human growth hormone (HGH) production by optimizing sleep, allowing your body to resurge its weight loss powers every night.

Inside Resurge, you’ll find ingredients to support weight loss, hormone production, and metabolism in multiple ways.

Resurge is priced at $49 per bottle and backed by a 60 day money-back guarantee, making it a cheaper option than many other formulas on our list.

CarboFix

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CarboFix is a weight loss supplement priced at $49 per bottle. The supplement was created based on the idea that some of us are eating too many fruits and vegetables for weight loss.

Instead of taking excessive fruits and vegetables daily, the manufacturer of CarboFix recommends taking their diet pill daily to increase fat burning, decrease hunger, support healthy blood sugar, increase weight loss, and increase longevity, among other benefits.

CarboFix has another thing that makes it unique: the formula was developed based on traditional medicine from a village in Ecuador. A 99-year old grandmother traveled to her ancestral village, then discovered powerful weight loss effects linked to natural ingredients. These ingredients can purportedly kickstart your metabolism and fat burning within “3 seconds,” according to TheCarboFix.com.

Biotox Gold

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Biotox Gold is the first formula on our list available in a liquid tincture. The liquid drop weight loss supplement contains 20 detoxifying nutrients and plant extracts. Each bottle is manufactured in the United States in an FDA-approved, GMP-certified facility.

Priced at $79 per bottle, Biotox Gold can purportedly lead to 50lbs of weight loss within a short period of time, according to reviews shared on the official website. Just take Biotox Gold daily, then let the unlisted natural ingredients go to work.

Although the manufacturer provides limited information about Biotox Gold’s ingredieGold’sfront, the company claims their supplement has been used by thousands of people with no reported side effects, making it perfectly safe to take.

KetoCharge

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Many people follow a keto diet to accelerate weight loss results. With KetoCharge, you can purportedly enjoy the benefits of a keto diet without worrying about strictly following a keto diet.

Each serving of KetoCharge contains ingredients that raise blood ketone levels, helping your body enter a fat-burning state of ketosis. Better yet, KetoCharge claims to help you enter ketosis and release fat stores for energy without experiencing the keto flu.

Described as “your secret weapon in the fight against fat, KetoCharge could be the fat burning supplement you’ve been waiting for to enjoy powerful weight loss results.”

How We Ranked The Top Fat Burner Supplements

Any fat burner supplement can claim to supercharge metabolism and activate fat burning. However, only the top-rated fat burners actually work as advertised.

To separate the best and worst fat burners, we used the following ranking factors:

Clinically Proven Fat Burner Ingredients & Dosages

Some ingredients have been genuinely proven to burn fat. They signal your body to start burning fat for energy. Caffeine, for example, is one of the most proven fat burners available. It’s been proven to boost metabolism and activate fat burning, making it easier to lose weight.

Honest Advertised Benefits

You should be wary of fat burner supplements that claim to help you lose 30lbs in a week. Some fat burners exaggerate their advertised benefits. We were also wary of supplements that claimed to target fat on specific parts of your body – like belly fat or thigh fat. We preferred fat burner supplements with open and honest advertised benefits.

Manufacturer Track Record & Reputation

The weight loss supplement industry is filled with scams. Many sleazy companies enter the space with low-quality, overpriced supplements hoping to make a quick buck. We preferred manufacturers with a proven track record for creating high-quality supplements.

Ease of Use

Some fat burner supplements are packed with valuable ingredients, but you need to take multiple massive scoops of powder daily for them to work. Others require you to take six or more capsules per day. We preferred fat burner supplements that were easy to add to a normal routine, including powdered scoops, capsules, tablets, and drink mixes. We also considered flavor, texture, and mixability in our rankings.

Price, Value, and Overall Cost

Many people are willing to pay hundreds of dollars per month to lose weight. Fortunately, most fat burner supplements are priced at a fraction of that. Expect to pay anywhere from $20 to $100 per month for a good fat burner supplement. We considered price and value in our rankings to ensure customers got good value at any price.

Backed by Medical Advisory Board or Doctors

Fat burners can be dangerous. Supplements like phentermine were banned because of dangerous side effects. Today, phentermine is a prescription weight loss drug, yet some manufacturers are caught adding phentermine and other substances to their formulas. We preferred burner supplements that were backed by a medical advisory board or doctor approval.

Transparent Ingredients & Labeling

Some weight loss supplements have been caught adding phentermine and other prescription-strength weight loss drugs to their formulas. Others add high doses of caffeine to their formula to trick you into thinking the formula is working. We preferred fat burners with transparent ingredients and labelling. Powher Fat Burner, for example, discloses all ingredients and dosages upfront instead of using proprietary formulas to hide dosages.

Money-back Guarantee

Even the best fat burner supplements won’t work for everyone. That’s why we appreciate when companies offer a moneyback guarantee. The top-ranked fat burners on our list all have a 30 to 365-day moneyback guarantee, giving you ample time to try the formula. If you don’t lose a significant amount of weight, then you should be entitled to a full refund.

Who Should Take a Fat Burner?

People take fat burner supplements for different reasons. Here are some of the people who could benefit from a good fat burner formula:

  • Anyone trying to break through a weight loss plateau
  • Someone starting a new weight loss program
  • Anyone doing a detox or cleanse
  • Athletes or bodybuilders who want to cut fat without losing muscle
  • Someone looking to make weight
  • Anyone losing weight for any reason

Some people take fat burners because they want an extra boost. Others are looking for a weight loss shortcut. Whatever you’re looking for, if a fat burner, a fat burner supplement may be able to help you.

Fat Burner Benefits: What Does Science Say?

Fat burners may sound like an outlandish concept. However, fat burners are proven to help with weight loss.

A good fat burner supplement makes it easier to lose weight by boosting the number of calories you burn at rest. Science also tells us that some fat burners can literally signal your cells to start burning fat for energy, making it easier to lose weight.

Caffeine is one of the most popular (and most studied) fat burner supplement ingredients available today. Studies have repeatedly shown that caffeine makes it easier to lose weight. Caffeine works as a fat burner by raising your metabolism, which means you burn more calories at rest and when exercising. In one 1980 study, researchers found that metabolic rate and fat burning increased significantly during the three hours after caffeine ingestion. Researchers even found that caffeine boosted the oxidation of fat, helping you literally burn more fat than you would without caffeine.

Other studies have found that even drinking one cup of coffee per day is linked with fat loss. According to a study by Harvard researchers, for example, four cups of coffee per day was associated with a significant loss of body fat and a lower risk of developing diabetes. The study took place over a 24 week period and involved 126 overweight adults.

Green tea contains natural caffeine and other fat burning ingredients. Many of the top-ranked fat burners above contain green tea extract. In this 2013 study, researchers reviewed evidence on green tea and found it was associated with a significant drop in body weight, body mass index, and blood pressure over an eight week period. Some describe green tea as “weight loss magic,” while Dr. Oz even advertises his green tea supplement online with claims that it will “boost metabolism 12%.” Studies show that the catechins in green tea can reduce body fat and cholesterol in some people.

Could seaweed be the secret to fat burning? Some seem to think so. In this study, researchers showed that kelp extract or brown seaweed extract was linked to powerful fat burning effects. This extract is rich with antioxidants that can induce thermogenesis, increasing the rate of lipid metabolism (fat burning) throughout your body.

Some fat burners contain L-carnitine, a stimulant-free amino acid popular among athletes and professional bodybuilders for decades. Today, more people take L-carnitine daily to stimulate fat burning. It’s been shown to support recovery from workouts, reduce muscle damage, and reduce post-workout soreness, which could make it easier to stick to your exercise program.

Other fat burners contain conjugated linoleic acid (CLA), a naturally-occurring fatty acid similar to an omega-6 fatty acid. CLA is fat. But, it’s fat that could help you lose a significant amount of weight. In this 2000 study published in the Journal of Nutrition, researchers found that CLA reduced body fat mass in overweight and obese humans.

Yohimbine is another popular fat burner ingredient. Unlike other fat burner ingredients listed here, yohimbine is a plant extract. It comes from the bark of the yohimbe tree. One study found that yohimbine led to significantly better fat loss results than a placebo in trained soccer players.

Choosing a reputable fat burner supplement is important. In fact, most weight loss supplements are junk. In this 2012 study, researchers tested hundreds of fat burning supplements and found that none of them were backed by evidence proving they led to significant weight loss. In fact, researchers found that many fat burners had detrimental health benefits. However, researchers did praise green tea, fiber, and low-fat dairy supplements for their weight loss results.

Other science-backed ingredients in fat burners include fiber (like beta glucans, glucomannan, and guar gum), capsicum, chromium, forskolin, Garcinia cambogia, and raspberry ketones, all of which are backed by a small amount of research showing they can help burn fat.

Many fat burners are based on the idea of boosting metabolism. Your metabolism is a series of processes controlling your body’s crucial functions. Your metabolism dictates your breathing, circulation, and other crucial processes throughout your body. Some people have a naturally ‘faster’ metabolism than others, which means their bodies burn more calories than someone with a slower metabolism.

When you have a fast metabolism, it’s easier for you to lose weight. Many fat burners aim to boost your metabolism, helping you lose weight more easily. One of the best ways to boost metabolism and burn fat, however, is to exercise. Your body needs approximately 6 calories per day to maintain a pound of muscle but just 2 calories a day to maintain a pound of fat. By building muscle, you could boost your metabolism long-term.

Exercise is also a great way to force your body to burn fat. In this 2011 study, researchers found that just 45 minutes of exercise increased metabolic rate for 14 hours after the exercise ended. In other words, your body burns calories at a faster rate for 14 hours after a single workout. By working out daily, you could keep your body in a near-permanent state of faster metabolism, making it easier to burn fat and lose weight.

Recommended Fat Burner Dosage

Follow the recommended dosage instructions on your fat burner supplement. Fat burner supplements contain different ingredients in different concentrations, and there’s no single ‘right’ dosage for fat burner supplements.

If your fat burner contains caffeine, then it’s important to consider the dosage. Some fat burners contain 200 to 300mg of caffeine per serving, which is similar to drinking four cups of coffee in quick succession. Even if you’re not sensitive to caffeine, you may feel the effects.

Fat Burner Side Effects

Fat burners may come with more side effects than other weight loss supplements. Fat burners contain caffeine and other stimulants to encourage weight loss.

Some of the common side effects of fat burners include:

  • Anxiety
  • Lack of sleep
  • Increased blood pressure
  • Changes in mood or behavior
  • Mild digestive discomfort or stomach problems
  • Diarrhea or constipation

Most healthy adults will experience no side effects of fat burners when, assuming you take them in normal dosages as recommended on the label. However, talk to your doctor before taking a fat burner supplement if you’re taking medication or have a medical condition.

FAQs About Fat Burners

We get plenty of questions about fat burners. Here are our answers to some of the most frequently asked questions we receive:

Q: What is a fat burner?

A: A fat burner is a supplement designed to increase the rate at which your body oxidizes (i.e. ‘burns’) fat cells.

Q: How do fat burners work?

A: Fat burners work by boosting metabolism, signalling your body to get its energy from fat cells, inducing thermogenesis, or helping you lose weight in other ways.

Q: What do fat burners do?

A: Fat burners have multiple effects throughout the body. They can increase fat metabolism, boost energy expenditure, impede fat absorption, increase weight loss, boost fat oxidation during exercise, and promote fat burning in other ways. Some fat burner supplements do all of these things at once, while others target one or two effects.

Q: What ingredients do fat burners use?

A: Fat burners typically use caffeine to boost metabolism and accelerate fat burning. Others use other stimulants. Fat burners may also contain green tea extract, vitamins, minerals, and other plant and herbal extracts.

Q: Can fat burners help me lose weight without dieting or exercising?

A: Fat burners could help you lose weight by increasing your daily calorie expenditure. However, you’ll get better results by combining your fat burner supplement with some type of diet and exercise program. The best way to lose weight is by dieting and exercising.

Q: Can I eat whatever I want while taking a fat burner supplement?

A: The only way to lose weight is to maintain a caloric deficit. The best way to maintain a caloric deficit is to follow a healthy diet and exercise program. A fat burner supplement can increase calorie expenditure, making it easier to maintain a caloric deficit.

Q: Do fat burners work?

A: Studies show that fat burners work when they use clinically-proven ingredients and dosages.

Q: How much weight can I lose with a fat burner?

A: Some fat burners advertise weight loss of 5 to 10lbs within the first 2 weeks. Others claim you can lose 50lbs or more in a few months. The amount of weight you lose depends on your physiology and other factors.

Q: Are fat burners safe?

A: Fat burners are safe to use by healthy adults in normal dosages. However, if exceeding the recommended dosage or dealing with health problems, you may experience side effects from your fat burner supplement.

Q: Is caffeine a fat burner?

A: Caffeine is one of the most popular and powerful fat burners available today. Studies have repeatedly linked caffeine to powerful fat burning effects. Many people drink caffeine daily to burn fat, lose weight, and reach their weight loss goals.

Q: Is green tea a fat burner?

A: Green tea contains antioxidants, vitamins, minerals, and caffeine that can activate your body’s fat capabilities, making green tea a powerful fat burner.

Q: What are the side effects of fat burners?

A: Fat burners with stimulants could lead to side effects like jitters and anxiety. However, you should not experience significant side effects from taking fat burner supplements if you’re a healthy adult following the recommended dosage instructions on your fat burner supplement.

Q: What is thermogenesis?

A: Thermogenesis is a metabolic process where your body burns calories to produce heat. Diet, exercise, and ambient temperatures can induce thermogenesis within your body. When a fat burner supplement claims to induce thermogenesis, it means it could help you burn fat and lose weight.

Q: What is lipolysis?

A: Lipolysis is the process where our bodies break down fat cells for energy. Our bodies use enzymes and water (i.e. hydrolysis) to break down fat cells, creating energy we can use when needed.

Q: How much of a role should fat burners play in weight loss?

A: Experts claim that your diet should form 70% to 80% of your weight loss process, exercise should be 10% to 20%, and the final 10% could come from fat burner supplements.

Q: Are fat burners legal?

A: Fat burner supplements are legal and available for purchase online and in stores. However, some prescription-strength fat burners (like phentermine) are not available over-the-counter.

Q: What is ephedra?

A: Ephedra is a fat burner supplement ingredient derived from a shrub plant. The ingredient was used in traditional Chinese medicine for centuries. In the 1990s and early 2000s, ephedra usage surged in the weight loss supplement industry. The FDA banned ephedra in 2004 after reports of ephedra negatively impacting heat issues and stroke.

Q: Is protein powder a fat burner?

A: Protein powders could be considered fat burners. Your body needs to work extra hard to digest protein-rich foods. Protein powders are rich with protein, which means your body needs to use more calories for digestion. Additionally, some protein powders are specifically marketed as weight loss aids because they contain caffeine, yohimbine, and other fat burners.

Q: Is fiber a fat burner?

A: Fiber could be considered a fat burner or weight loss aid. Your body cannot digest fiber. Instead, fiber mixes with water to create a thick, gel-like substance within your intestinal tract. This helps to push waste out of your body and it makes you feel fuller. For all of these reasons, many people take fiber supplements as fat burners or weight loss aids.

Q: What’s the best fat burner?

A: Java Burn, BioFit, PhenQ, Okinawa Flat Belly Tonic, and Meticore are some of the top-ranked fat burner supplements available today.

Q: What are the best natural fat burners?

A: The best natural fat burners include caffeine, green tea extract, fiber supplements, and protein powders.

Q: What is ketosis?

A: Ketosis is a natural state where your body starts to burn fat for energy. Your body enters ketosis when fasting or following a low-calorie diet. It may also enter ketosis when following a keto diet (i.e. a diet rich in fats and low in carbs).

The Best Fat Burner Supplements in 2021 Final Word

Fat burners are a popular and fast-growing part of the supplement space. Packed with caffeine, green tea extract, and other ingredients, fat burners can support your weight loss goals and help you break through plateaus.

Anyone looking for the best fat burners with the right ingredients and supplement standards ought to review the reputations of the brands behind them for starters. The top-ranking fat burners on this list have made their marks within a crowded and often clogged upmarket for natural fat-burning supplements. Here is the final word on the best fat burners to consider supplementing with for faster weight loss support:

Java Burn
  • best fat burner supplement on the market as a healthy coffee additive
BioFit
  • most popular fat burner using probiotics with patented ingredients
PhenQ
  • five in one formula to boost metabolism for burning fat
Flat Belly Tonic
  • premium blend of dozens of ingredients for healthy weight management and digestive support
Meticore
  • top-selling fat burner for natural weight loss support in 2021
Lean Belly 3X
  • maximum strength fat burner formula with rare ingredients
Leanbean
  • best fat burner for women with most effective female support ingredients
Burn Lab Pro
  • high-quality thermonutrient ingredients for enhancing fat-burning potential by way of improving metabolic function
NitriLEAN
  • all-natural nutrition fat burner for hormone and weight loss support that targets optimizes nitric oxides levels for cardiovascular health
Hunter Burn
  • high dosed fat burning thermogenic pills with premium performance for men who demand high quality as a priority
Cellucor SuperHD Fat Burner
  • big name brand with patented ingredients using fast-acting extended-release caffeine technology for extra energy
Powher Fat Burner
  • extremely popular fat burner for women with glucomannan fiber, a recognized weight loss aid in this effective formula
cAMP Boost
  • potent fat burner supplement for healthy weight management support with multiple patented ingredients
Instant Knockout Cut
  • industry-favorite, scientifically-backed fat burning support for boosting metabolism and lowering appetite cravings
PhenGold
  • multi-action fat burning pills that activate powerful fat melting hormones with clinically proven ingredients
CircadiYin
  • advanced circadian rhythm solution as a sleep supporting fat burner supplement that works overnight
Resurge
  • top-selling night-time metabolism-boosting pills to buy
CarboFix
  • unique carbohydrate management formula burns belly fat by blocking carbs from being stored as fat and lowering appetite
Biotox Gold
  • liquid fat burner supplement with high quality ingredients and a growing company to back it
KetoCharge

  • focuses on burning fat more effectively via ketosis for faster weight loss and more energy if following ketogenic diet plan

To learn more about fat burners or to take any of the top-ranked fat burners available today, check our list of the best fat burning supplements above.

ALSO READ: Best Weight Loss Pills (2021) Top Supplements to Lose Weight

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The links contained in this product review may result in a small commission if you opt to purchase the product recommended at no additional cost to you. This goes towards supporting our research and editorial team and please know we only recommend high quality products.

Disclaimer:

Please understand that any advice or guidelines revealed here are not even remotely a substitute for sound medical advice from a licensed healthcare provider. Make sure to consult with a professional physician before making any purchasing decision if you use medications or have concerns following the review details shared above. Individual results may vary as the statements made regarding these products have not been evaluated by the Food and Drug Administration. The efficacy of these products has not been confirmed by FDA-approved research. These products are not intended to diagnose, treat, cure or prevent any disease.

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