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Instant Knockout Review: Is It The Best Fat Burner For Men?

Dr Andrew Kan Written By : Dr Andrew Kan   ✓ Fact Checked

Instant Knockout is an ultra-powerful formula consisting of 10 fat burning heavyweights.

Reader’s Rating:

Instant Knockout Review: Is It The Best Fat Burner For Men?
4.5 (89.17%) 24 votes

Losing weight and achieving the ideal body is a dream for many people.

Even with a combination of diet and exercise change might be slow and the process frustrating.

As a result the market is saturated with products that seek to bridge the gap by helping the body burn fat faster.

Instant Knockout is one such supplement that promises to deliver your dream body.

Loaded with 10 powerful fat burners, could Instant Knockout be the miracle you have been looking for?

In this Instant Knockout review we take a closer look at this fat burner currently making ripples in the fitness world.

Can it really make you shredded, sexy, and as ripped as a pro boxer?

What is Instant Knockout?

Instant Knockout is a powerful fat burning formula containing 10 natural ingredients.

It works by boosting metabolism, suppressing hunger and increasing one’s energy levels.

The manufacturer, Roar Ambition, is a UK based company known for sports performance supplements.

Instant Knockout was originally made for pro boxers and MMA fighters but has since been made available to everybody.

The manufacturer calls it as a ‘secret cheat’ that will finally melt all your stubborn body fat leaving you lean, ripped and sexy.

It is manufactured in FDA and cGMP approved facilities in the United States.

Instant Knockout Ingredients List

instant knockout ingredients

Instant Knockout is made up of 10 natural ingredients that have been scientifically chosen for their benefits.

Unlike other supplements the quantities of the ingredients are large enough to make a real difference on fat burning.

Green Tea Extract
Green tea is the most important ingredient in the formula.It helps speed up the body’s metabolism and breaks down stored fat in the body. Moreover it contains caffeine that keeps you energized and moving all day.
Cayenne Pepper Seeds
Cayenne pepper contains capsaicin which improves insulin sensitivity in the body. This in turn changes the way the body stores and burns carbs. Moreover it boosts the body’s metabolism for increased fat loss.
Glucomannan is a natural fiber extracted from the konjac root. When in the body it absorbs water making you feel fuller. As a result it is great for suppressing hunger and reducing food cravings. Another important role it plays is improving cholesterol balance in the body.
Caffeine Anhydrous
Caffeine boosts the body’s energy, reducing fatigue and helping you power through your workout. It also helps with fat oxidation.
Vitamin B6
Vitamin B6 largely aids the body in absorbing amino acids which in turn help to build muscle.
Vitamin B12
Vitamin B12 helps break down fatty acids and improve digestion.
GTF Chromium
This trace element contains a protein that boosts the body’s ability to absorb fat and sugar. It aids in reducing cravings and boosting energy levels.
Zinc aids the body to convert carbs, proteins and fat into energy needed for day to day functions.
Piperine is a black pepper extract that increases metabolism, aids digestion and slows down the formation of fat cells in the body.
Green coffee bean
Green coffee bean is simply unroasted coffee beans. It has no caffeine in it, but is high in chorologenic acid. This acid slows down fat absorption in the body and helps reduce sugar cravings.

How Does Instant Knockout Work?

Instant knockout works in three ways to speed up fat burning in the body.

These are:

Increases the Body’s Metabolic Rate

The body is constantly using energy to run various functions.

A slower metabolism results in less fat burned.

Instant Knockout contains ingredients that boost your natural metabolism.

This ensures that your body burns fat faster and keeps burning even while at rest.

Suppresses Hunger Cravings

Constant eating and snacking between meals results in more fat stored in the body.

Taking Instant Knockout four times a day will suppress your hunger and reduce cravings.

If you eat less, your body will have less to store as fat.

Fuels Energy Levels

Having enough energy is important in maintaining an active lifestyle.

If you have little or no energy you cannot keep up with exercise such as cardio and weight lifting.

The stimulants in Instant Knockout will help fuel your body and keep you energized all day.

How To Use Instant Knockout?

Each bottle contains 120 capsules of 500mg each.

For the best results the manufacturer recommends that you take 4 capsules a day.

This would be in the morning, before lunch, in the afternoon and before your evening meal.

Since Instant Knockout contains caffeine it is recommended that you avoid other supplements with stimulants while taking Instant Knockout.

Customers with preexisting medical conditions are advised to consult a physician before taking Instant Knockout.
Instant Knockout is not recommended for people who are younger than 18yrs.

Are There Any Instant Knockout Side Effects?

instant knockout side effects

Instant Knockout is made from natural plant extracts and minerals.

It therefore has no adverse side effects.

People who are sensitive to caffeine are advised to reduce their intake of other stimulants while taking Instant Knockout.

This is because too much caffeine can affect sleeping patterns and cause restlessness.

Instant Knockout Reviews: What People Say About This Product?

There are numerous positive reviews of this product on its official website from different parts of the world.

Here is a sample of some of the reviews.

Jay reports:

“I had been lifting and working out for about 2 years, I had gained some muscle size but I still had the same amount of fat on my body. I searched around for a fat burner, Instant Knockout came up as one of the best rated. After a couple of weeks of taking this I had a lot more energy and felt more motivated to work out. I went from going to the gym 2 – 3 times a week, to 4 times per week. In 3 and half months I have gained muscle and lost fat. I now feel a lot more confident hitting the pool or beach”

Customers report having more energy after using Instant Knockout, enabling them to exercise more.

Maz says:

“I will admit the first couple of days I was on such a high it was hard to sleep. I eventually got used to it and continued with my weight training. I had increased energy, stopped eating out of boredom and felt so much stronger at the gym. I was on fire! Instant knockout has helped me kick-start my journey and I am now a bikini competitor!”

Some customers’ report experiencing an unusual high the first time they take Instant Knockout.

Caleb writes:

“I used Instant Knockout for four months. I started out by exercising every day. I wasn’t seeing much progress in the beginning so I ended up slowing down on the workouts. I had motivation to keep going and Instant Knockout helped me do so. This product gave me more energy when I needed it. I have so much more confidence in myself and I recommend 100% to anyone thinking about getting it”

Chelsea Medina reports:

“I had tried other fat burners but none of them even came close to the results I received with Instant Knockout. Prior to use, I struggled to lose the weight I had gained and I lacked energy. Instant Knockout got me over my plateau. While on the product, I did not crave junk food, and when I did eat my meals I stayed satisfied for longer. Instant Knockout exceeded my expectations”

Some customers give positive feedback on being able to control their cravings with Instant Knockout

Instant Knockout: Packages, Pricing and Where to Buy

instant knockout website

Instant Knockout is available on the official website:

The website accepts payments via Paypal, Amazon Pay and all major credit cards.

Instant Knockout is available in three packaging options.

Ultimate Shredding Stack

3 bottles + 1 FREE

Free worldwide delivery.

90 day money back guarantee.

Price: $185.00

2 Months Supply

2 Bottles

Free delivery in the USA and UK.

Price: $118.00

1 Month Supply

1 Bottle

Price: $59.00

[+ shipping cost]

Money Back Guarantee and Refund Policy

Instant Knockout has a 90 day money back guarantee.

This is however available only for customers who buy the ultimate shredding stack of 3 bottles.

Instant Knockout Pros and Cons


  • Made from all natural ingredients.
  • Has no adverse side effects.
  • Free world wide shopping for some packages.
  • Helps the body to burn fat even while at rest.
  • Suppresses appetite.
  • Free world wide shipping for 3 bottles and above.


  • Can only be bought online from the official website.
  • Rather harsh return policy favoring only those who buy 3 bottles.
  • Might disrupt sleep if taken too close to bedtime.
  • Some people might find it expensive.

Instant Knockout Review: Should You Buy It?

instant knockout fat burner

Instant Knockout seems to have carved a name for itself in the fitness world.

It was originally designed for pro boxers and MMA fighters but is now available for all.

The manufacturer has used 10 powerful natural ingredients that are known to speed up fat burning in the body.

The use of natural ingredients also means that Instant Knockout has no adverse side effects.

Many users report having more energy, having less cravings and losing body fat after using Instant Knockout.

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