The Best Fat Burners That Work Fast – Top 5 Weight Loss Supplements

our pick

1. AtraFen Elite Professional Formula

Our Score :
10.0 Out of 10

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best value

2. RSP Nutrition QuadraLean Thermo

Our Score :
9.0 Out of 10

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There is an overwhelming number of fat burning products on the market. All of the weight loss supplements promise to do wonders. With so many options available, how can you decide which are the fat burners that work fast and show efficient results?

Fat burning supplements are the diet supplements that come in powder or pills form. All of them are not bad, but the issue here is that not all of them are good for the body too.

Fat burners are prepared to keep a metabolic rate of a person high, and they promote continuous fat burning almost at all times. Some of the fat burners offer weight loss without the requirement of proper diet and exercise. But when they are combined with a healthy diet and exercise plan, you can enjoy quick and permanent results.

After reviewing a number of fat burners available on the market and after proper research, we have concluded that:

“AtraFen Elite is the best fat burner and weight loss supplement, which acts as a professional fat-burning amplifier and strength thermogenic”

Why Is AtraFen Elite Our First Choice?

  • The ingredients of AtraFen Elite, Inositol, and Yohimbine play a vital role in the breakdown of fats. They are specifically stubborn fat loss aids. Similarly, Phenylethylamine is also a powerful weight loss and fat burning supplement. All the ingredients work together to accelerate the fat burning process while QuadraLean Thermo lacks these ingredients.
  • AtraFen Elite contains a moderate concentration of thermogenic and active ingredients, while QuadraLean Thermo has a low concentration of the thermogenic substances.
  • Offering money-back guarantee AtraFen Elite is a safer investment, while QuadraLean Thermo doesn’t offer a money-back guarantee.

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Why Is QuadraLean Thermo The Runner Up?

QuadraLean Thermo is one of the best weight loss pills, but AtraFen Elite shows more effective and quick results as compared to it, because of which it has become the runner up.

  • QuadraLean Thermo has a low concentration of the thermogenic substances, while AtraFen Elite contains a moderate concentration of thermogenic and active ingredients.
  • AtraFen Elite contains more concentrations of some efficient weight loss supplements as compared to QuadraLean Thermo.
  • QuadraLean Thermo doesn’t offer a money-back guarantee, while AtraFen Elite is a safer investment offering money-back guarantee.

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What Makes QuadraLean Thermo Still Worthy?

  • The ingredients used in the manufacturing of QuadraLean Thermo are scientifically proven, while the ingredients of AtraFen Elite are not scientifically proven.
  • QuadraLean Thermo is an inexpensive and affordable option as compared to AtraFen Elite and other fat burners on our list.
  • This fat burning supplement contains a safe amount of caffeine as compared to others on the list.

Best Fat Burners Available on The Market

Before intaking any weight loss supplement, it is crucial to check the ingredients. Read the labels carefully and see if the fat burner contains ingredients that are harmful to your body. See if the ingredients are safe and natural.

The fat burners on our list are one of the popular food supplements, extracted from plants, that aim to transform the way you look and feel. Along with a healthy diet and exercise regime, these best products will help you achieve your weight loss goals in less time.

1. AtraFen Elite

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AtraFen Elite is one of the best weight loss pills that offer thermogenic, fat-burning effects, and professional strength. It contains all the characteristics of a powerful dietary supplement. This diet pill is formulated with the focus on metabolism boost and fat loss.

AtraFen Elite is one of the most powerful diet products that is formulated, especially for those who desire to lose weight fast and can handle the powerful metabolic stimulants. These diet pills use four powerful thermogenic and stimulants for fast weight loss.

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This weight loss supplement works via multiple pathways in your body:

  • Down regulates your appetite through Central Nervous System stimulation and provides efficient and quick appetite suppression.
  • AtraFen Elite blocks Alpha receptors in the body. Alpha receptors are found mostly in the fat stores of the body that are stubborn, and their role is to store calories as fat. When these receptors are blocked, it means the stored fat cells will be released.
  • These diet pills enhance thermogenesis and Thyroid level production, speeding up fat burning, and weight loss.
  • All the ingredients in this weight loss supplement work together to provide intense focus and elevate energy levels throughout the day. One capsule of these best weight loss pills can offer up to 5 hours of added energy to make through your work day, as well as your workout.


When you look at the professional formula of AtraFen Elite, you will see that it has five ingredients:

  • Caffeine
  • Nettle Leaf Extract
  • Inositol
  • Phenethylamine
  • Yohimbe Extract


Caffeine is one of the most vital and primary ingredients of AtraFen Elite. According to studies, caffeine can improve athletic performance. It helps in boosting the metabolism of a person and eventually results in weight loss.

Nettle Leaf Extract

The nettle leaf extract present in these diet pills works as an astringent and also as a diuretic.


Inositol has properties that help in weight loss.


Phenethylamine is a natural chemical that is found in the body. It aids in improving the athletic performance of the body, improves the intense focus, and mood. However, too much consumption of Phenethylamine can lead to some serious side effects. It may also play a role in suppressing the appetite and fewer cravings for eating.

Yohimbe Extract

Yohimbe extract is the bark from an evergreen tree of Africa. It is mostly used for improving sexual performance and treating erectile dysfunction.

AtraFen Elite Side Effects

While talking about fat burners side effects, there are a few who don’t cause any harmful impact. There are no side effects of AtraFen Elite mentioned on the official website. However, by using this weight loss supplement, you might experience a wide range of side effects, including:

  • Increased heartbeat
  • Gastrointestinal distress
  • Dizziness
  • Frequent urination
  • Nausea
  • Anxiety
  • Agitation
  • High blood pressure
  • Stomach problems
  • Bloating
  • Vomiting

Pros. & Cons.


  • Boosts metabolism
  • Powerful all-day appetite suppression
  • Professional fat-burning amplifier and strength thermogenic
  • Readily available
  • Offers money-back guarantee


  • A bit expensive
  • There are reported side effects
  • The ingredients are not scientifically proven

2. RSP Nutrition QuadraLean Thermo

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If you are looking for fat burners that work fast, then you must consider RSP Nutrition QuadraLean Thermogenic. QuadraLean Thermogenic is a powerful and thermogenic fat-burner, formulated to increase energy, suppress appetite, speed-up weight loss, enhance metabolism, and improve focus.

The primary purpose of QuadraLean Thermogenic is weight loss; however, it does much more than helping you shed extra pounds. The energy blend of these pills makes them a perfect pre-workout supplement. Its weight loss, as well as thermogenic ingredients, boosts the metabolic function, and the focus blend offers extra motivation that is needed for success all day long.

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Boosts Energy and Focus

The natural caffeine and Alpha-GPC ingredients of QuadraLean Thermogenic maximize your workouts with a boost of energy and enhanced mental focus.

Thermogenic Weight Management

QuadraLean Thermogenic is formulated to support weight management and drive thermogenesis while offering focus and all-natural energy at the same time.

All-In-One Formula

QuadraLean Thermogenic targets all the critical areas of weight management and aids in metabolism support, appetite suppression, and fat burning.

What Does QuadraLean Thermogenic Offer?

·         Thermogenesis Blend

25mg Paradoxine, 500mg CLA, and 25mg Cayenne Pepper Extract in QuadraLean Thermogenic combine together to provide scientifically backed and complete weight management support.

·         Neuro Focus Blend

With 50mg Alpha GPC and 300 mg Choline Bitartrate improves your focus.

·         Clean Energy Blend

It is one of the best fat burners having 200mg of natural caffeine from Green Tea that provides the boost of energy that you require to power through the most intense workouts.

·         Metabolism Support

Offering 500mg of L-Carnitine per serving, this fat burner boosts the metabolism.

Pros. & Cons.


  • A good range of active ingredients
  • Safe amounts of caffeine
  • A perfectly balanced energy formula
  • Boosts energy levels
  • Improves metabolism
  • Improves focus
  • Inexpensive


  • Low concentration of the thermogenic substance
  • Uses yohimbine that can have bad side effects
  • Side effects include sweating and slight nervousness/anxiety

3. Burn-XT Thermogenic Fat Burner

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Burn-XT is an outstanding thermogenic fat burner suitable for both men and women. Each capsule of this fat burning supplement contains an effective dose of the most powerful thermo fat-burning ingredients.

The formula helps to enhance energy, suppress appetite, improve mood, burn fat, preserve lean muscle, and boost metabolism. With this powerful weight-loss supplement, maximize fat loss and get quick results.

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Premium Ingredients

Burn-XT uses the premium natural ingredients in its formula with total label transparency, efficacious doses, and it is free from the artificial filter, food dyes, or preservatives.

Each bottle of the Burn-XT has been prepared in the state of art cGMP manufacturing facility in the USA while adhering to the most stringent manufacturing standards.

Real Results

Burn-XT is one-of-a-kind nutraceuticals and one of the fat burners that work fast, engineered for perfect, and will help you hit your weight loss goals. With this supplement, feel enhanced focus, a clean surge of energy, and appetite control to help you keep your diet in control. It will help you maximize fat burning while preserving the hard learn lean muscle.

How to Use Burn-XT

Initial Usage Directions: In the beginning, taking it as a dietary supplement, consume one capsule two times a day to assess tolerance.

Directions for Regular Use: If you want to consume it regularly as a dietary supplement, consume two capsules one to two times a day before meals. Each dose of the capsules should be separated by 4 to 6 hours. Avoid consuming the capsules before bedtime and do not exceed the recommended dosage. For the best results, use with the exercise accompanied with quality nutrition practices.


  • Acetyl L-Carnitine HCL (700mg): Boosts cognitive function and helps to release fat stores.
  • Green Tea Extract (450mg): Offers a number of health benefits, increases fat loss and energy.
  • Caffeine (270mg): Enhances alertness, amplifies fat burning, increases energy, and cognitive function.
  • Capsimax Cayenne Pepper Extract (50mg): It is a powerful thermogenic that helps to improve the metabolism and promotes mobilization of fat that will be used as energy, making Burn-XT one of the best fat burners.
  • Bioperine Black Pepper Fruit Extract (5mg): It enhances the efficacy and absorption of the other ingredients present in this supplement.

Pros. & Cons.


  • Improves focus and energy
  • Boosts metabolism and fat burning
  • Burn more calories
  • Strong ingredient profile
  • Controls appetite perfectly
  • Inexpensive
  • Vegetarians friendly
  • cGMP certified


  • Heavy on the caffeine for general weight loss
  • No glucomannan or Green Coffee bean
  • Users might get digestive issues

4. Evlution Nutrition Trans4orm Thermogenic Energizer

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Trans4orm is the combination of complete fat burning along with natural energy and focus. It is the scientifically-developed multi-stage thermogenic energizer as well as the weight loss support supplement that works with your body to transform fat and build lean muscle.

This fat burning supplement has the uncompromising quality standards backed up by researched ingredients, GMP certified, and transparent formulas.

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Plant-Based Ingredients

Alpha-GPC and Huperzia Serrata

Alpha-GPC: It supports focus and mental activity during training. This ingredient also provides a choline source to the brain for the production of acetylcholine.

Huperzia Serrata: It supports concentration and mental focus throughout the day.

L-Tyrosine and Vitamin B Complex

L-Tyrosine: It is a key amino acid that supports metabolism and assists in elevating the mood of the person while reducing fatigue when cutting calories.

Vitamin B Complex: Trans4orm is one of the fat burners that work fast, and Vitamin B Complex in it aids in maintaining a healthy metabolism as well as help in the production of cellular energy keeping the natural metabolism boosted throughout the whole day.

Green Coffee Bean and Green Tea Leaf

Green Coffee Bean: Green coffee bean or the natural caffeine is the proven supplement that boosts energy, mental focus, helps to burn fats, improves metabolism, and supports normal appetite.

Green Tea Leaf: Green tea leaf or camellia Sinensis contains the compounds called catechins, including epigallocatechin gallate (EGCG), which is the main catechin that is responsible for the thermogenic effects of green tea.

Coleus Extract and Yohimbe Extract

Coleus Extract: When combined with caffeine, it is the most effective ingredient for accelerating the fat burning process.

Yohimbe Extract: It works with the natural sources of caffeine to enhance the energy production within the body, and in addition, it also supports the fat-burning ability of the body.

Pros. & Cons.


  • Offers thermogenic fat burning
  • Enhance mental focus
  • A good dose of green tea extract
  • Helps to boost metabolism rates
  • Improves alertness
  • Prepared from a safe formula
  • Affordable pricing
  • Created from the standardized herbs in the right dosage
  • Inexpensive


  • Some ingredients are under dosed
  • Poor appetite suppression
  • There are some reported side effects like dizziness, headaches, nauseous and kidney issues

5. Hydroxycut Hardcore Elite

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Hydroxycut Hardcore Elite is one of the fat burners that work fast. It is the 4-in-1 super-thermogenic with full transparency. The key ingredients of this fat burning supplement are:

  • Canephora Robusta – 200mg
  • Coleus Forskohlii – 100mg
  • L-Theanine – 100mg

The Hydroxycut has been here for 20 years, and Hydroxycut Hardcore Elite is carrying on the legacy with the powerful composition having potent doses of key ingredients in a unique and never-seen-before combination, delivering the ultimate thermogenic stimulant and weight loss experience.

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Powerful Key Weight Loss Ingredients

Hydroxycut Hardcore Elite is prepared with the key weight loss ingredient that is C. canephora robusta. Two scientific studies support the effectiveness of this ingredient. The subjects who took this weight-loss ingredient lost 10.95 lbs. in just 60 days along with a slow calorie diet and 3.7 lbs. in an 8-week study with a calorie-reduced diet and moderate exercise.

Super Thermogenesis

Hydroxycut Hardcore Elite contains a supercharged thermogenic driver that is caffeine anhydrous. It ignites a powerful state of thermogenesis in the body to help boost the metabolic rate. Caffeine present in this supplement improves focus, enhances energy, metabolism, and thermogenesis.

Third-Party Tested

Hydroxycut Hardcore Elite is one of the best fat burners, and each batch of this fat burning supplement is third-party lab-tested for purity and quality. It is verified to ensure that every bottle meets the highest standards of quality control, purity, and consistency.

Directions to Use

Tolerance varies from individual to individual. Make sure that you keep in mind your comfort at each stage before increasing the dosage of the supplement. Hydroxycut Hardcore Elite is a super-thermogenic, so one should start with one capsule on a daily basis. Take it 30 to 60 minutes before the two largest meals of the day.

Pros. & Cons.


  • Offers ultimate thermogenesis
  • Provides powerful weight loss
  • Delivers extreme energy and enhances focus
  • Reduce mental fatigue and boost energy levels
  • Improves focus, concentration and metabolism rate


  • Contains a large number of stimulants
  • More suitable for people who do gym as compared to dieters

Benefits of A Fat Burner

Fat burners are formulated to assist the weight loss efforts and enhance the fat burning process. Each formula of the fat burners uses the versatile ingredient, but all of them target to achieve the following aspects of weight loss:

1.      Metabolism Boost

The metabolism process of the human body works to convert the food into useable energy. The metabolic rates of men and women are different from each other. The fat burners available claim to improve and enhance the metabolism process of the body. Many of these claims are overblown, but there are also fat burners in the market that have some clinical evidence.

There are many stimulants that appear to affect metabolism, but caffeine particularly shows the most effective results. Chili peppers, dihydrocapsiate, and green tea extract also show effective results when it comes to metabolism.

2.      Energy Source

Energy is vital in order to do our daily life tasks. Having more energy means one will be able to do more exercise conveniently and, as a result, burn more fat. Because of this, many of the fat burners include ingredients that are designed to boost energy levels. Most of these ingredients in fat burners are stimulants.

Some of the most common stimulants used in fat burners are green coffee berry extract, guarana, caffeine anhydrous, and green tea extract. Caffeine boosts the release of dopamine by blocking a neurotransmitter, adenosine. Dopamine helps you feel more energized and awake. It also improves endurance and exercise performance.

3.      Thermogenesis Activation

Thermogenesis is the natural metabolic process of the body that helps to convert calories into heat. This natural process of thermogenesis happens in the body all the time.

Fat burners contain ingredients that claim to boost the thermogenesis process. There are also fat burners that are explicitly made by keeping thermogenesis in mind and are known as thermogenic fat burners.

Cayenne pepper and other ingredients containing capsaicin are known to induce thermogenesis along with promoting fat oxidation. Stimulants which has caffeine, also help to enhance thermogenesis in healthy individuals.

4.      Lipolysis

Lipolysis is the process by which fats and other lipids break down to release fatty acids. This process is crucial to break down the stored fat tissues. When you combine with exercise or caloric restriction, lipolysis can help to contribute to fat burning and weight loss.

There are many ingredients in fat burners that aim to affect lipolysis. Ingredients like capsaicin and caffeine play a key role in lipolysis.

5.      Appetite Suppressant

Regulating appetite and avoiding calorie-rich foods is a crucial part of the weight-loss program. Some of the fat burners have ingredients in their composition that work to suppress the appetite and thus making the dieting process easier for you.

There are many stimulants like caffeine which possess appetite-suppressing properties, although the effect is short-lived.

A good fat burning supplement is the one that targets different pathways of the body and addresses multiple aspects of the weight loss program. But one must keep in mind that these products will not have any benefit if you are not exercising frequently or not eating a healthy diet.

Some Interesting FAQs About Fat Burners

1.      Should I Take Fat Burners on Non-Workout Days?

Whether you should take fat burners on non-workout days or not, depends entirely on your purpose of taking fat burners. If you are taking fat burners just for weight loss, then you must take them on the non-workout days too.

On the other hand, if you are taking fat burners just for an energy boost during the workout, then there is no need to take them on non-workout days.

2.      How Long Should I Take A Fat Burner?

How long a person should take a fat burner depends on the weight loss goal of the person. Some people get effective results in a short time, while some need more time to burn the deposited fats in the body.

It is recommended to take a fat burner for eight weeks, but if you didn’t get the desired result, the duration could be increased. One thing to keep in mind is that always consult a doctor before taking a fat burner or increasing dosage or duration.

3.      Is It Ok to Take Fat Burners While Fasting?

Yes, it is ok to take fat burners while fasting. If you are looking to lose extra fat, then you should take a fat burner while fasting. But the key is to make sure that you are taking the right one.

Fasting plays a significant role in losing extra fat from the body, but at the same time, it can break the muscle mass for fuel. So, it is vital to choose a fat burner that preserves lean muscle mass.

In the fasted state, the body needs energy for functioning, and if you are not getting the required energy from the diet, the body will look for it in muscle mass, and fat mass. The best thing is to take a fat burner that provides the required energy.

The fat burner for females and males has a different composition. A fat burner that is specified for males may not show an efficient result for women and vice versa. So, you need to look for the supplement that suits you the best and has the least side effects.

4.      How to Choose Fat Burner?

When it comes to choosing the right fat burner, it depends on your goals and lifestyle. Make sure that you chose a company in which you can entrust your health and wellness.

One may want a fat burner that contains stimulants such as caffeine for the extra boost of energy at the gym. Alternatively, one might not need any stimulants if he or she has a low tolerance. Whether you want the extra boost of energy or prefer a high-quality fat burner that is stimulant-free, you can easily find a product that meets your requirements.

It is also essential to consult a physician as he can help you determine whether there are any chances of allergies, how effective the ingredients are, and whether the supplement complies with your previous medical history.

5.      Do Fat Burner Pills Work?

Fat burners are an excellent way to shed off extra fat from the body. They suppress the appetite, boost the metabolic rate, and enhance your exercise performance by offering a boost of energy. But also keep in mind that a fat burner without exercise is useless.

You cannot give all the credit to the fat-burning supplement; it is also vital to implement a healthy diet and exercise routine in conjunction with taking the right dosage of the fat burner to get the best outcome.

It is also important to consider when to take fat burners. It is recommended to take fat burners before the big meals, but if you want an energy boost for a workout, then you need to take the fat burner before the workout.

6.      Can Fat Burners Cause Headaches?

Yes, fat burners cause headaches. Headaches are caused due to constricting and dilating of the blood vessels. Almost all of the fat burners have caffeine in them. Caffeine causes the blood vessels to constrict because it acts as a diuretic and removes water from the body. That is why it is recommended to drink a lot of water if you are taking a fat burner.


The fat burning supplement market is a competitive one, and there are many products that claim to be the best; however, you can’t deny the fat burners’ side effects. By cutting through the market hype, we have reviewed the best product picks for 2019 above. And among them, AtraFen Elite is our top choice.

However, if you desire to get the best results, you must put in the hard work. The exercise and diet should be emphasized depending on how intense the change you want. Once that is done, the added supplement will help you get to the finish line in a short time.

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