Fat burners, often referred to as slimming agents, are widely consumed dietary supplements that non-invasively assist both the body and mind to achieve greater results when trying to shed excess weight.

These supplements are made up of either natural or synthetic ingredients that are used together to form an oral tablet or capsule that can be taken daily or as needed.

Despite its name, fat burners do not actually burn or implode fat cells. Instead, they induce a series of natural body process to:

The market is saturated with these supplements, making it hard for consumers to choose one that best suits their needs. Below we list the top 5 fat burners that are most effective for users across the fitness spectrum.

Best Fat Burners


Best Overall


Best for Women


Best for Active People


Best for Boosting Metabolism

1. PhenQ - Best Overall

PhenQ is the holy grail of fat burners as it uses an effective multi-approach method to locate and attack fat cells. The potent all-natural formula, which includes caffeine and capsimax powder, assists and supports healthy eating habits by reducing cravings and decreasing appetites. It also enhances the metabolism to further assist users in shedding stubborn fat. In addition, it prevents further development of fat which helps users achieve and maintain their body goals.


  • High-quality formula
  • All-natural supplement
  • Safe and fully legal to use
  • Vegan and vegetarian friendly
  • Easy to swallow capsules and quick absorption


  • Only available on the official website
  • Not cost-efficient for everyone
  • Not recommended for everyone, such as those with serious diseases and under 18 years old
  • Shipping costs may apply to certain regions
  • Not everyone can get the same duration of effect

Prices & Offers

PhenQ's official website has the following bundles available: One bottle at $69.95, two bottles at $139.90 plus one bottle free, three bottles at $189.95 plus two bottles, and an additional cleansing supplement (Advana Cleanse) free. All packages come with a free nutritional guide and a 60-day money-back guarantee. More details about discounts, promotions, and a full refund policy are available on their official website.

Customer Reviews

This supplement promotes realistic and more attainable weight loss compared to other fat burners on the market. PhenQ combined with a healthy diet and workout routine can help you achieve your body goals. More than 190 000+ individuals who have used PhenQ received positive outcomes after unsuccessful dietary interventions. There is even a money-back guarantee if you do not experience results.

2. Leanbean - Best for Women

Leanbean capsules are high-quality weight loss pills created by Ultimate Life. It was specifically formulated to help women accomplish their weight loss goals and naturally enhance their well-being. The tablet has no stimulants and contains 12 vegan-friendly ingredients, the most popular among them being Garcinia Cambogia, turmeric, green coffee & tea extract, and vitamin B6 & B12.

Leanbean also contains glucomannan, an appetite suppressant that is clinically proven to work. The tablet enhances the user's ability to lose weight by reducing cravings and calorie intake, supporting fat metabolism, boosting energy levels, reducing fatigue, and allowing users to participate in rigorous exercise routines for longer durations.


  • It contains antioxidants, vitamins, and minerals that support weight loss and overall well-being
  • Leanbean is manufactured in FDA-certified facilities, which guarantees its quality
  • Reduces cravings and overall appetite facilitating weight loss
  • Specifically designed to suit the physiology of a women
  • Organic, stimulant-free, vegetarian, and vegan-friendly supplement
  • Enhances energy levels, focus, and memory
  • Increases sexual performance
  • Balances blood sugar levels


  • The product is formulated specifically for women, which means men may not fully benefit from taking Leanbean
  • The product can only be purchased from the official website
  • The supplement works more effectively when it is taken on a schedule - daily basis

Prices & Offers

A single bottle of Leanbean (180 capsules—one month supply) is $59.99, while a two-month supply of 360 capsules is $119.98. The complete bundle, which includes a four-month supply of LeanBean (720 capsules) and a downloadable workout guide and meal plan, is $189.97. The purchase of the complete bundle also comes with a 90-day money-back guarantee.

Customer Reviews

The brand has a loyal following paired with thousands of success stories that confirm the tablet's ability to induce weight loss without affecting other parts of the body. The formula helps women achieve weight and centimeter loss simultaneously. Users also report that the supplement has an excellent effect on their overall health status, energy, and focus levels.

3. Instant Knockout- Best for Active People

Instant Knockout is a natural weight management supplement created for both male and female users The tablet consists of naturally sourced ingredients that have been scientifically proven to maintain users' ideal weight density without disrupting normal body processes.

The supplement also provides users with a thermogenic boost which assists the shredding process, allowing users to eliminate unwanted or excess fat to reveal sculpted, toned muscles. It is best suited for the active individual, speeding up metabolism rates during workouts.


  • The product is considered one of the safest fat-burning products on the market due to its unique blend of natural ingredients.
  • It contains several vitamins and minerals which support a healthy body. Some of them include vitamin D3, B6, and B12
  • Roar Ambition, the manufacturers of the product, is transparent regarding the concentration of ingredients in the supplement


  • The tablet  can only be purchased from the official website
  • The caffeine content in each tablet is high —75mg per capsule, which may be a bit high for some consumers
  • The product comes at a high price tag which means it may not fit everyone's budget

Prices & Offers

A single bottle of Instant Knockout contains 120 pills priced at $50, while two bottles are $100, 3 bottles are priced at $150, with 1 free bottle included in the order. You can also subscribe to the site and receive multiple benefits, such as an extra 10% saving on each order.

Customer Reviews

Instant Knockout has an excellent customer rating due to its regulated, endorsed, and verified quality assurance. The tablet is also endorsed by professionals, providing consumers with peace of mind. Many customers comment that the results produced by the product are astounding, especially when use is paired with appropriate diet and exercise regimens. Reviews also state that the tablet significantly reduces cravings that accompany intermittent fasting.

4. PrimeShred - Best for Men

PrimeShred is a potent fat burner that assists the body in losing significant amounts of weight to reveal muscle mass and tone. The natural composition of the supplement enhances your body's fat-burning processes in three phases.

PrimeShred increases thermogenesis which boosts metabolism, leading to maximum calorie burn, even at rest. It also contains certain ingredients that jump-start fat-burning hormones to break down the stubborn and stored fat in the body. This fat burner also rectifies mood fluctuations experienced from cutting calories and shredding regimens.


  • It is a daily supplement specifically designed for fat burning and the shredding cycle of working out.
  • PrimeShred only contains organic ingredients, meaning it is safe for all men and low incidence of side effects.
  • It increases calorie burning, thermogenesis, metabolism, energy, and concentration. It also improves mood.
  • The supplement works on removing stubborn fat from the body.


  • PrimeShred cannot be used by those under 18 years of age.
  • It may not be affordable to everyone.
  • High caffeine content can be too much for people with sensitivities

Prices & Offers

Although the price of a single bottle is considered quite steep—one bottle (90 capsules, one-month supply) at $49.95 with $7.95 shipping, discounts are available when you purchase in bulk. You can get a three-month supply at $99.95 with free shipping or a six-month supply at $199.95.

Customer Reviews

Customers who used other fat burners often complained about rapid mood changes, which distracts them from working out or exercising in general. However, those who took PrimeShred did not experience this downtime and felt motivated through their whole cutting period.

The creators behind this incredible fat burner ensured to include ingredients that will make the consumer feel relaxed and prevent these rapid mood changes. They are also able to lose weight without cutting any muscle mass.

Prime Shred also offers a 100-day guarantee (except on a one-month supply) if you feel you have not experienced the purported benefits. You don't even need to return the empty bottles, just unused bottles.

5. Phen24 - Best for Boosting Metabolism

Phen24 is an organic supplement that allows users to achieve their body goals without severe side effects. This formula has been expertly designed by a professional team to increase the rate of metabolism process in the body. Heightened metabolism leads to maximize calorie-burning efforts.

Phen24 accelerates the rate of metabolism even when the user is asleep, which assists in the fat-burning process. The supplement's combination of ingredients reduces stress levels, contributing to positive metabolism rates and resultant weight loss. Paired with proper nutrition and exercise, Phen24 can take you on the journey to your dream body.


  • It will boost your energy levels.
  • Improves your focus and mental alertness
  • Contains beneficial vitamins
  • 100% natural supplement
  • Curb your appetite
  • Helps accelerate nocturnal weight loss


  • Use is paired with potentially negative effects.
  • The daytime dosage contains a lot of stimulants.
  • The nighttime dosage contains certain ingredients that may cause insomnia.

Prices & Offers

There are official discounts on the supplement when you purchase it through certified dealers. A single box of Phen24 is $79.99, while two boxes, with one box free, are $149.99. Three boxes with two boxes free are priced at $224.99. Phen24 is confident in its formula. Thus, they have an excellent money-back guarantee— if users feel like the supplement failed to deliver on its promises, they can return the empty bottle within 60 days.

Customer Reviews

Based on various customer reviews, users who take Phen24 noticed positive outcomes when they paired the supplement with a diet and basic exercise. In this way, they can lose weight and continuously burn fat, making it one of the best supplements to lose extra fat.

Overall, the users claimed they got what they expected from the treatment. Following proper dosage plans allowed them to notice improvements within one week. It also increased their energy during the day and made it easier to wake up in the morning.

Do Fat Burners Really Work?

Most consumers believe that fat burners are superficial supplements that do not produce positive outcomes and affect overall health. Although this is true in some instances, experts claim that supplements that contain natural fat burners such as those mentioned above have a different connotation.

Fat burners that contain natural ingredients are one of the most effective options against 'the battle of the bulge'. Natural ingredients such as caffeine, cayenne pepper, green tea, turmeric, and glucomannan support weight loss goals by reducing the fat the gut absorbs and suppressing the appetite, resulting in a lower calorie intake.

It induces this while protecting muscle mass and aiding muscle growth. The addition of vitamins and minerals to natural weight loss formulas also boosts metabolism rates and positively affects users' overall health. Although fat burners facilitate weight loss, their use requires support through exercise.


In essence, fat burner supplements which contain natural components are quite effective in their primary duty of assisting weight loss. Auxilary effects such as improved mental and physical vitality are welcomed benefits of appropriate use.

According to experts, fat reduction can decrease long-term health risks, such as diabetes. Natural supplements can also heal the body and support excretory processes. In retrospect, as with any supplement, adherence to usage and dosage guidelines will ensure a safe and effective weight loss journey.

Editor's Choice: PhenQ




Frequently Asked Questions

Can fat burners be consumed on an empty stomach?

Fat burners can be taken in one of two ways. The first is 30-40 minutes before breakfast in the morning, and the second is as a pre work out supplement in the morning or evening.

How long does it take for fat burners to work?

A fat burner starts to take effect just 30 minutes after consumption. Users will gradually notice a change in body temperature as thermogenesis begins. This will be paired with improved focus and elevated energy levels.

Will discontinuing the use of fat burners cause sudden weight gain?

If users stick to a moderate diet and exercise routine, weight gain after discontinuation is rare.

What is the best time to take a fat-burning supplement?

The best time to take your fat burner is when you wake up, 30 minutes before breakfast or your morning workout.

Can fat burner supplements affect your heart?

Fat burners that contain unnatural substances such as steroids can affect the heart or increase the probability of heat-related illnesses. On the contrary, natural fat burners have the opposite effect as some ingredients can complement heart health.

About the author 

Tim Rockwell

As a certified fitness instructor and health coach, I have helped countless people lose weight using safe and effective supplements. My own personal journey to better health has been an inspiring one, and I am passionate about helping others achieve their goals as well. Whether you are looking to improve your overall wellness or simply want to shed a few pounds, I can help you reach your goals with the right supplement regimen customized specifically for you. Contact me today to get started on your healthy new future!

Leave a Reply

Your email address will not be published.

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}
Subscribe to get the latest updates