Instant Knockout Reviews 2024 | Does It Work? Know Pros!

Instant Knockout Review Does It Work Know Ingredients & Pros!

Standing head-to-head with some of the top fat burners available in the market, Instant Knockout has earned quite a name in the fitness realm. It is a weight loss supplement that claims to rip off the extra fat from the body without touching the lean muscle mass.

Oftentimes, the cutting phase can be tougher than one can imagine with factors like diet control combined with heavy training sessions; but then, you lack the energy owing to low-calorie intake. Instant Knockout claims to boost your energy by speeding up the metabolism while supporting muscle growth and retention. It also promises to balance various other factors like appetite, stress levels, mood, etc. that are associated with weight reduction.

Let’s weigh Instant Knockout on various parameters like ingredients, benefits, scientific data supporting its formula, side effects, and more to see if it actually lives up to the promises.

Editor’s note: The content on AdvantageJA is meant to be informative in nature, but it should not be taken as medical advice. The opinions and articles on this site are not intended for the diagnosis, prevention, and/or treatment of health problems. It’s always a good idea to talk to your doctor before beginning a new fitness, nutritional, and/or supplement routine. 

Instant Knockout Review

Instant Knockout

Overall Rating: 4.7/5
  • Promotes round-the-clock fat metabolism
  • Preserves muscles while eliminating stubborn fat
  • Raises energy levels
  • Curbs appetite for a seamless cutting phase
  • Vegan and vegetarian-friendly formula

What Is Instant Knockout?

Instant Knockout is a fat burner manufactured by the popular UK-based fitness supplements brand called Roar Ambition.

Made with natural and potent thermogenic ingredients and other essential nutrients, Instant Knockout claims to aid weight loss by burning fat 24/7. But that isn’t the only thing it does. The fat burner also ensures that lean muscle mass is retained in the body and doesn’t get affected. This means- while you focus on slimming down your waistline, you also simultaneously achieve a well-toned and chiseled physique with improved workout performance.

What’s more- the formula of the supplement is 100% natural with no artificial ingredients that can interfere with the body’s natural processes. This makes it a safe weight loss aid for people of diverse age groups above 18. The recommended dose of Instant Knockout is one capsule to be taken four times a day and consistently for maximum benefit.

How Does Instant Knockout Work

Instant Knockout aims at some of the main functions in the body to eliminate excess fat and manage the body composition. These functions include:

Firing Up Metabolism

The formula of Instant Knockout is curated to accelerate the thermogenic process in the body thus speeding up the fat metabolism. When the metabolic process increases, it helps you to lose fat much faster without you having to significantly change your diet or workout routine.

Boosting Energy Levels

One of the key factors in the weight management journey is energy. While your body uses more energy during the training sessions, it needs to be restored on a consistent basis to prevent fatigue and physical stress. Instant Knockout uses ingredients like caffeine, and L-theanine among other things to improve mood, and cognitive function thus having a positive influence on energy output.

Crushing Appetite

The high percentage of Glucomannan in the fat burner’s formula keeps you full and satiated for a long time by filling up the stomach. This in return prevents new fat storage by keeping you away from unhealthy snacking.

Instant Knockout Benefits

While the manufacturer hasn’t given any specific list of benefits on the supplement’s official website, after going through the formulation, testimonials, and how Instant Knockout works, here are some of the key benefits that you can expect:

Rapid Weight Reduction

Instant Knockout triggers the metabolic process in the body which breaks down the fat to convert to energy. It does this using some of the powerful ingredients like green tea, caffeine, and B vitamins that are clinically proven to accelerate thermogenesis. An intensified fat metabolism leads to faster weight loss.

Enhanced Athletic Performance

Hitting a training deadlock after a certain point during your weight loss journey can be expected. Instant Knockout helps strengthen muscles and improves mood and physical endurance which helps enhance athletic capabilities. This then gives you the power to perform more intense workouts for longer hours without experiencing fatigue.

Smoother Cutting And Toning

After evaluating the list of ingredients of Instant Knockout, We found that the fat burner is a powerhouse of a wide range of nutrients that also fulfil the nutritional requirements of the body. This helps you stay healthy and energetic throughout the day when you are required to cut down on your diet and calories. This can work as a huge advantage during the cutting phase.

Who Should Take Instant Knockout

Instant knockout is a weight loss aid ideal for anyone wanting to break their workout plateau and achieve their weight loss goals irrespective of gender. Yes, this formula is suitable for both men and women and for all age groups above 18. So whether you are a young adult in your early 20s or above 50 years of age, Instant Knock Out can help you slim down your waistline when taken appropriately along with proper diet and exercise.

Instant Knockout Pros And Cons

Instant Knockout Pros

  • Makes cutting easier
  • Accelerates fat metabolism
  • Increases workout capabilities
  • Reduces calorie intake and raises energy output
  • Improves muscle health and mood
  • Encourages fat-burning 24X7
  • Made in FDA-approved facilities

Instant Knockout Cons

  • Contains a high dose of caffeine
  • The dosage involves 4 capsules a day – one with each meal or snack

Instant Knockout Ingredients


Instant Knockout Ingredients Glucomannan

Glucomannan, an extract from the Konjac plant root, is one of the major ingredients in the Instant Knockout formula. It is rich in dietary fiber which makes it a highly potent appetite suppressant. Glucomannan keeps your stomach full for longer hours thus keeping you satiated and away from frequent snacking. This supports faster weight reduction.

Green Tea

Green tea again serves as a potent weight-loss ingredient and forms a vital part of Instant Knockout’s formula. It boosts thermogenesis and increases energy output which improves the body’s endurance. It contains catechins which are high in antioxidants that prevent oxidative stress damage and support faster muscle recovery.


Instant Knockout Ingredients Caffeine

Caffeine is a natural stimulant that supports thermogenesis and elevates energy levels. Studies have shown that supplementation of caffeine can improve workout capabilities significantly thus allowing you to train harder without getting stressed or tired.

Cayenne Pepper Extracts

When it comes to eliminating fat cells from the body, cayenne pepper is one of the top ingredients considered by almost all fat burners. Capsaicin found in cayenne pepper speeds up lipid metabolism in the body by promoting thermogenesis. Aside from that, it also kills the appetite and prevents food cravings to help you stay low on calories.

Black Pepper Extracts

Instant Knockout Ingredients Black Pepper Extracts

Black Pepper (piperine) is an important addition because it enhances the bioavailability of other nutrients in the Instant Knockout formula. This means it facilitates optimum absorption of the ingredients by the body further increasing the efficacy of the fat burner.


A form of amino acid, L-Theanine is known to bring down stress levels, boost energy, and improve mood. This helps you stay focussed all through the weight loss journey.

Vitamin B (B6 and B12)

Vitamin B6 is involved in numerous biochemical processes in the body. It has been proven to support metabolism, improve body composition, regulate insulin levels, and improve focus. Vitamin B12, when combined with a nutrition-rich diet helps boost energy and eliminate fatigue.

Vitamin D3

Research suggests that vitamin D3 has a direct correlation with body composition and body mass index. It strengthens the bones and muscles and also improves cardiovascular health all of which support weight loss.

Potential Side Effects Of Instant Knockout

Instant Knockout claims that it is completely safe for consumption given its 100% natural and transparent formula. There are also no reports of any recurring side effects from this fat burner so far. That said, it is always recommended to keep an eye on some of the common effects like stomach upset, headache, or nausea which can be expected when starting a new fat burner. However, they are usually mild and go away within a few days as the body is adjusted to the new formula.

Where To Buy Instant Knockout

Instant Knockout is available on its official website and comes with a range of packages to pick from. It goes without saying that, bigger packs will bring higher discounts and much better deals like free supplement bottles, free shipping, etc. You might get Instant Knock out on other third-party websites like Amazon but we always suggest that you buy it from their own website to ensure the credibility of the supplement.

Instant Knockout Customer Reviews

If you look at the official website of Instant Knockout, you will see numerous positive reviews and before and after pictures from Instant Knockout customers. There are also testimonials from some of the reputed professionals from the fitness industry. Most customers liked the fat burner’s ability to control appetite, making their calorie-deficit diet routine seamless. They also mentioned that Instant Knockout has made them more agile and energetic and helped them perform better during their fitness training sessions.

Below are some of the top Instant Knockout reviews from real customers based in Canada, Australia and the US.

“Before starting Instant Knockout, I weighed 135 pounds. After taking Instant Knockout for just 2 months while also being more dedicated to my health, I lost 15 pounds. I am so pleased with the results from Instant Knockout. I now have more energy than before and feel better than I have in a long time. Instant Knockout was truly life-changing for me..”

Karol-ann, Canadas

“What initially attracted me to try Instant Knockout was reading the positive customer reviews online and researching the ingredients. Within the first couple of weeks of taking Instant Knockout, I could feel my energy levels increasing significantly. By the third week, I had already lost 5 pounds. I was thrilled to see changes in how I looked and felt. Instant Knockout helped me eat less while feeling more full of energy. I’ve also noticed the weight redistributing to a more favorable areas of my body. Instant Knockout has truly delivered the results I was hoping for.”

– CJ Swift, Australia

“The results from taking Instant Knockout along with diet and exercise have been incredible. I’ve tried other fat burners before but none worked as well as Instant Knockout. With this supplement and lifestyle changes, I’ve seen amazing fat loss and muscle gains. Instant Knockout’s powerful formula delivered real results when combined with proper nutrition and training.”

– Nick, USA

Instant Knockout Price And Offers

Here is a quick overview of Instant Knockout’s costs and offers:

Each bottle of Instant Knock Out comes with 120 capsules (4 capsules a day) which is one month’s supply.

● One Instant Knockout comes for $65.00 (or £40.00)

● Two bottles cost $130.00 (£80.00) + one bottle free

● Three bottles cost $195.00 (£120.99) + two bottles free

Apart from this, you get free UK and US shipping on the purchase of two bottles and free worldwide shipping on purchasing the ‘Ultimate Cutting Stack’ which is a 4-month supply.


After assessing the fat burner closely, it is safe to say that Instant Knockout is something definitely worth considering given its natural composition. The supplement is safe for the body as it is made with ingredients based on scientific evidence. Instant Knock Out focuses on increasing the body’s natural thermogenic capability to break down fat cells, boosting energy, and enhancing cognitive function. It also helps preserve and strengthen muscles while eliminating the unwanted fat from the rest of the body thus helping you achieve a toned physique. Consistent intake of this fat burner can help you through the cutting phase with ease and deliver promising results.

Frequently Asked Questions (FAQs)

How Many Capsules Of Instant Knockout Should I Take A Day?

The recommended dose of Instant Knockout is 4 capsules a day. However, you will have to divide it throughout the day and take one capsule with each meal/snack so the nutrients in it are supplied to the body throughout the day.

Do I Need To Change My Lifestyle To Take Instant Knock Out?

Instant Knockout is a fat burner that can deliver optimum results only when you combine it with a healthy lifestyle which includes a low-calorie and nutritious diet and being persistent with your workout regime.

Does Instant Knockout Help Improve Focus?

Yes, it definitely does. Ingredients like L-theanine, green tea, and Vitamin B contribute to enhancing mood and improving focus.