What are the Best Fat Burners to Use for Fat Loss & Cutting Fat

Last updated on October 7th, 2019

Best fat burners as reviewed by Hypertrophia

Best Fat Burners For Cutting and Fat Loss

All the best fat burners work in a similar way-they help your body to burn fat.

However, not all fat burners are created equal. Most of them use a combination of ingredients that may make them a better option for some and a less desirable one for others.

So, when you are evaluating the pros and cons of different fat burners, it’s best to ask yourself what kind of user you are and what you are trying to achieve.

Not everyone wants to burn fat for the same reason.

Although a lot of people merely want to ditch their excess flab and get thin, others have more specialist needs.

Your sex may also make some fat burners more suitable than others. There is no one size fits all.

Recommended Fat Burners at a Glance

Instant Knockout – a great burner for preserving lean muscle mass. Ideal for sporty types, suitable for men and women

LeanBean – a fat burner that has been developed exclusively for women. THE female fat burner

Clenbutrol – a bodybuilders fat loss cutting product. From CrazyBulk, the company that specializes in producing safe steroid alternatives.

Why Do We Need Fat Burners and What Do They Do?

In theory, we should not need to use fat burners at all. However, the harsh reality is an awful lot of people do need them. Burning fat is a difficult business.

Many people who are trying to reduce their body fat feel like they are banging their head against the wall. There is nothing to be ashamed of if you feel the need for some extra help.

Weight gain and weight loss are two sides of the same coin. Which side of the coin comes out on top is just a matter of calories.

“Calories” is a unit used to measure energy. Your body needs energy to function and it normally gets it from food. How much energy your food provides is counted in calories. For instance, celery offers a very low energy yield. It’s a low-calorie food.

Cakes, cookies, potato chips and other foods that are high in fat or sugar provide a greater blast of energy. These are high-calorie foods. They are also foods that can cause you to gain weight. When eaten without discretion, the weight gain can occur surprisingly fast.

When the body gets more calories than it needs, it stores them as fat. However, when people follow a low-calorie diet they deliberately deprive their bodies of energy. This causes the coin to flip over. Instead of storing calories as fat, the body begins breaking down its stores of fat so it can use the calories it contains.

There are no magic weight loss bullets, but all the best fat burners contain ingredients that can encourage the body to burn extra calories. These ingredients generally achieve this in one or more of the following three ways:

  1. Increasing metabolism
  2. Increasing thermogenesis
  3. Improving lipolysis

Let’s take a closer look at what all this means.

fat burners that increase metabolism

1. Increasing Metabolism

Metabolism is the process the body uses to extract energy from food and harness its power. It does not always function at the same speed.

For instance, the metabolism is normally slower during periods of rest. This is because your body has a lower energy demand that it does during your more active moments.

All the best fat burners contain ingredients that boost metabolism.

This causes the body to burn extra calories all of the time, even during periods of rest. This is sometimes referred to as raising the basal metabolic rate. [SOURCE]

thermogenic fat burner

2. Increasing Thermogenesis

Thermogenesis is a process that occurs in the body 24-hours a day. You can actually feel it working just by touching your skin. It’s warm because of thermogenesis.

All warm-blooded animals create heat via the process of thermogenesis and the process continues from birth until death.

Heat is a form of energy. Twenty-four hours per day you are losing energy into the atmosphere via thermogenesis. Like your metabolism, thermogenesis does not have a fixed speed.

Certain things can increase it. Exercise increases thermogenesis. So does hard physical labor. That’s why these activities cause you to “work up a sweat”.

Certain compounds found in food also have the ability to increase thermogenesis. The best diet pills contain such ingredients. They are often referred to as thermogenic fat burners. This is because, by causing the body to lose extra energy, they increase the need for burning fat. [SOURCE]

Fat storage

3. Improve Lipolysis

Some of the best fat burners also improve lipolysis. This is process the body uses to actually break down its stores of fat.

The process predominantly occurs within the white adipose tissue. In simple terms, lipolysis is the body’s way of mobilizing the energy it stored as fat and putting it to work.

Some ingredients used in fat burning diet pills have the ability to enhance the process and make it more efficient. In so doing they improve your ability to burn fat. [SOURCE]

Additional Benefits

All the best fat burners also contain ingredients that support weight loss in other ways, such as by providing appetite suppression. By controlling hunger they make it easier to stick to reduced portions sizes and avoid the urge to overeat or snack.

The best fat burners also normally contain ingredients that take the sting out of fat loss in other ways such as providing extra energy. Some of the more specialized fat burners may also provide help in other areas including hormone support.

Who Uses Fat Burners and Why?

Obviously, anyone who is using a fat burner is doing so due to a desire to reduce their body fat. However, their reasons for wanting to do so are not always the same.

Let’s take a look at the different types of people who are likely to use supplements of this type.

woman overweight fat burning

People Who Need Extra Help to Lose Weight

These are the kind of people who probably gained weight due to a combination of bad diet and lack of exercise. They are probably already making efforts to lose weight but are finding it difficult and are in need of some extra help.

These are the people who primarily interested in weight loss. It’s their sole agenda. Their desire to lose weight may have been brought on due to a health scare or a warning from their doctor.

Then again, they may simply desire to make changes that will improve their health and help them to look good.

Alternatively, they may have no burning desire to lose weight but are making reluctant efforts in response to peer pressure.

woman fat burning

People Who Want to Lose Weight Faster

Some people who already successfully losing weight through the use of a low-calorie diet, possibly accompanied by exercise, use fat burners to speed up their results. They are doing well but are striving to do better.

This need for more rapid weight loss could be due to impatience or a desire to meet a personal goal. The reason behind their need is immaterial. They have already taken all the right steps and the best fat burners will help them to get moving faster.

People Who Have Reached a Weight Loss Plateau

Weight loss plateaus are quite common. It’s the time when progress has stalled. People who reach a plateau may not be gaining any weight, but nor are they losing any either.

Plateaus can be a source of great frustration. Everything is going fine, then all progress ceases. Even though the diet and exercise routine that was proving to be so successful is still the same.

This kind of weight loss stall occurs when the body loses muscle mass. Although the energy deficit that results from low-calorie dieting causes the body to burn fat, it often burns a certain amount of muscle tissue too.

Muscle tissue requires a certain amount of calories per day. This helps keep the metabolism up. Loss of muscle tissue due to dieting can cause the metabolism to decline. That’s the real reason behind the plateau.

The diet is the same, the level of activity may be the same too, but the metabolism has slowed. The best fat burners can help get things back on track by speeding it up again.

People Who are Preparing for a Vacation or Special Occasion

Some people have an urgent desire for weight loss that is brought on by an urge to look good for a special occasion, such as a friend’s wedding. Others are keen to look their best when they hit the beach during an upcoming vacation.

The people who want to lose weight for reasons such as this can be quite serious in their efforts. However, they are often looking for a quick fix and have little interest in long-term change. Short-term vanity weight loss is the name of the game.

People who fall into this category are often only interested in finding the best fat burners to speed up their crash dieting techniques. They may resort to these temporary changes in lifestyle again and again and may be prone to yo-yo dieting.

Bodybuilder cutting fat


Arnold Schwarzenegger once said bodybuilders are like sculptors, but instead of sculpting clay they sculpt their bodies. It’s a good analogy. The truth is there’s a lot more to bodybuilding than most people think. Especially at the higher levels.

The periods when bodybuilders are trying to increase their muscle mass are generally referred to as bulking cycles. During these periods, any minor gains in body fat are not a primary concern.

Bulking is primarily about piling on the clay in the correct amounts and in all the right places.

When bodybuilders want to refine their creation and make sure they are displaying it at its absolute best, they switch to a cutting cycle. This is where fat burners come in.

No matter how large and well-sculpted the muscles are, the body fat that covers them can hide the all-important contours. In a condition like this, it’s impossible to display the muscles at their best.

Cutting cycles are all about improving muscle definition. Sculptors scrape away tiny pieces of clay, a bit at a time, to improve the shape and form of their creations. Bodybuilders ditch their fat.

Obviously, bodybuilders reduce their calorie intake and switch to a diet that best supports their aims. The best bodybuilding fat burners work alongside the diet and help get the job done.

The fact that low-calorie dieting can cause the body to burn a minor amount of muscle tissue for energy alongside the fat is a big problem.

After all that hard work during in the bulking cycles, no bodybuilder relishes the idea of seeing some of their gains go down the drain. That’s why the best fat burners to use during cutting cycles contain ingredients that help take this problem away.

losing baby weight fat cutting

Women Who Gained Weight During Pregnancy

Pregnancy can be a difficult time for a woman. Morning sickness, bleeding gums, backache, and incontinence are just the tip of the iceberg. During pregnancy there’s an awful lot of hormonal changes going on that can affect women in many different ways.

Then there are the cravings. These are just the body’s way of helping “mom” to provide her baby with the specific nutrients it needs. Unfortunately, what’s good for the baby is not always so good for mom.

It’s normal for a woman to be left with some extra body fat in the post-delivery room days. Most women gain between 11.5 kg and 16 kg. Obviously, this is a situation most women want to redress.

A good fat burner can help put things right, but it’s best that new mothers don’t start dieting too soon. Certainly not sooner than six weeks after delivery. [SOURCE 1, SOURCE 2]

Women Battling a Mid-Life Weight Crisis

Menopausal weight gain is a problem many women have to endure. It’s the results of all the hormonal changes that happen within a woman’s body at this time.

One of the most interesting things about the problem is most of the fat gain is likely to occur in the abdominal area.

Unfortunately, menopausal weight gain is generally not a problem that goes away. On average, midlife women gain 1.5 pounds per year.

Even women who have previously been slim their entire lives often start using fat burners when this type of problem strikes. [SOURCE]

diet pill

People Who Want a Cheat Pill

Not everyone who buys fat burners does so with the best of reasons. Instead of looking for something that will support their efforts to lose weight, they hope to find a magic bullet that will help them get shot of their excess blubber while allowing them to go on eating whatever they want whenever they want.

Such endeavors are always destined to fail. Even the best fat burners are incapable of increasing calorie expenditure sufficiently to allow a free rein on food. There is no substitute for healthy living. Cheaters never win.

Three of the Best Fat Burners Compared

All of the following top-rated fat burners can be used for general weight loss and they’ll get the job done. However, each of them is formulated to be especially good for people who have very specific needs.

Instant Knockout is for people who train hard and need a fat burner that can help them to give that bit more. Leanbean is a fat burner for women and Clenbutrol is best for bodybuilders.

Instant Knockout – for Muscle Definition

Instant knockout is a fat burner that was originally only available to professional boxers and MMA fighters. This restriction is no longer in place. Instant Knockout is now available to all.

Notable Instant Knockout Features and Selling Points

Due to its origins and a somewhat aggressive marketing strategy that involves the pills being sold in a bottle shaped like a fist, many women think Instant Knockout is only a fat burner for men. This is not the case. Women can use it too and those who do have a lot of good things to say about it.

Although it offers a number of other benefits, Instant Knockout is primarily an energy-boosting fat burner. That’s not surprising for a product that’s intended to help turn people into lean, mean fighting machines.

Many noted fighters and trainers choose to use Instant Knockout instead of alternative fat burners and swear it’s the best.

Instant Knockout Before after photos

Apart from boasting some ingredients that are extremely good at boosting energy and burning fat, the formulation also suppresses the appetite. This allows it to provide extra support to people who find it difficult to fight their hunger.

The formulation does contain a small amount of caffeine but, unlike similar products, Instant Knockout is not a stimulant-driven supplement. Much of its energy booting capabilities come from the Vitamins B6 and B12. Both of which are popular energy drink ingredients.

Instant Knockout Benefits at a Glance

  • Powerful fat burning
  • Sustainable energy
  • Appetite suppression
  • Erases fat from stubborn areas

Instant Knockout is easily one of the best fat burners for anyone who is involved in sports. It’s equally good for people who like to train hard. Anyone who has Instant Knockout in their corner is unlikely to need a pre-workout supplement.

Leanbean – Fat Burner for Women

It’s easy to bang a pink label on a bottle and say it contains diet pills made especially for women. Unfortunately, the promise is generally a lie. There are no such deceptions involved with Leanbean. It’s the real deal.

LeanBean female diet pills

Women who wish to lose weight do not ride in the same boat as men who need to lose weight. They have it harder so it makes sense that they need a fat burner that works harder too.

Women have stronger appetites than men do. They are also more likely to comfort eat. That’s why Leanbean contains more powerful hunger-suppressing ingredients than any other fat burner on the market. Needless to say, these are paired with some incredibly good fat burning ingredients.

LeanBean real before and after photos

The formulation also contains ingredients that help regulate female hormone levels. Many women gain weight during menstruation. Often up to five pounds. Then, by the time that problem has gone away, they are likely to fall victim to menopausal weight gain. In both cases, it’s their hormones that are to blame. It’s good that Leanbean has the ability to help in such an overlooked area.

Leanbean Benefits at a Glance

  • Burns fat
  • Boosts energy
  • Powerful hunger Suppression
  • Subdues urges for sugar and carbs
  • Provides hormone support

Leanbean is easily one of the best fat burners for women. It’s been carefully designed to give them all the extra support they need. However, there is no reason why men cannot use it too. In fact, it could prove to be a very good ally for any man who has unusually strong hunger urges.

CrazyBulk Clenbutrol – for Bodybuilders

CrazyBulk is a company that specializes in producing safe steroid alternatives.

Clenbutrol is its alternative to Clenbuterol. It’s a little different from the company’s other products because Clenbuterol is not a steroid. It’s a fat burning drug. However, bodybuilders often stack it with their steroids during cutting cycles.

Clenbutrol for fat cutting cycles

Mimicking the name was easy. The company just removed a letter “e” from Clenbuterol. Matching the drug’s power must have been a lot harder because it’s an extremely powerful fat burner. It’s also dangerous so there has always been a need for a safe alternative.

Fortunately, CrazyBulk knows its stuff. Clenbutrol matches the drug’s power, but the formulation of safe ingredients it contains does not cause side effects. Many people who have used both options are quick to say CrazyBulk’s product works best.

Clenbutrol for cutting fat


One of the best things about CrazyBulk Clenbuterol is its ability to burn fat while supporting increases in muscle mass. The formulation also supports a better workout by boosting stamina and endurance and improving blood flow to the muscles.

Clenbutrol Benefits at a Glance

  • Burns fat
  • Boost performance
  • Preserves muscle mass
  • Improves muscle to fat ratio
  • Enhances endurance and stamina

Although CrazyBulk Clenbutrol is easily one of the best fat burners for cutting cycles, its ability to torch through body fat could also be used for more general weight loss needs. It may be an especially good option for anyone who has been losing weight and hit a plateau.

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