Instant Knockout Review – Does This Fat Burner Really Work?

Instant Knockout is a fat burning supplement designed to help you burn fat while building muscle.

Few supplements are as polarizing as fat burners, and people are either raving fans or passionate critics. With this review, we’re taking a look at Instant Knockout—a popular fat burner that was originally developed to help professional boxers and MMA fighters burn fat in preparation for an upcoming fight.

For the uninitiated, fat burners are a class of supplements that generally utilizes natural ingredients to help improve body composition through a reduction in body fat.

Instant Knockout Supplement

Often using proprietary formulations, these products typically work through one or more of three key mechanisms:

  • Adaptations in metabolism
  • Appetite suppression
  • Increased energy

The biggest challenge with this class of supplements is that the rapid proliferation of products far exceeds the rate at which scientific study can evaluate the claims—claims that are often wildly overstated and often poorly qualified.

So with that in mind, let’s take a look at Instant Knockout. Our Instant Knockout review will provide an in-depth look at the supplement’s efficacy and safety. Feel free to jump around to the sections that interest you moth.

About Instant Knockout

Instant Knockout is a fat burner supplement produced by UK company Roar Ambition and launched in September of 2014.

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With origins in MMA and fight sports, the Instant Knockout brand is strong and exciting. The company immediately establishes credibility through association with successful fighters such as Diego Sanchez, John Dodson, and famed MMA coach, Greg Jackson.

Instant Knockout professes to be an ultra-powerful formula consisting of ten fat-burning ingredients. The formula has been exhaustively researched and selected to create a cutting-edge fat burner product.

Instant Knockout Benefits

Benefits Of Instant Knock Out

The primary benefits claimed by Instant Knockout are a boosted metabolism, with additional ingredients added to reduce hunger cravings and increase energy levels. If you are interested in losing weight and building muscle, this might be the right supplement for you. 

Here are some of the key benefits:

Boosts Metabolism

Metabolism is boosted in a number of different ways including increases in the overall rate of calorie burn, improved insulin sensitivity and the opening of specific chemical pathways that help break-down stubborn fat deposits.

Reduces Hunger Cravings

One of the biggest challenges with any form of calorie restriction is managing hunger. Like other fat burners such as PhenQ, Instant Knockout includes multiple ingredients to help suppress appetite and reduce hunger cravings.

Fuels Energy Levels

Whenever calories are restricted, we run the risk of having our energy levels decrease. Multiple ingredients included in Instant Knockout are there to help drive-up energy levels and thus support increased energy expenditure.

Helps You Lose Weight

Of course, the main benefit of Instant Knockout is helping you lose weight. The formula is designed to help your body with the fat-burning process. 

Instant Knockout Ingredients

You’ve no doubt heard the saying, garbage in–garbage out, and this is especially true with supplements.

At the end of the day, any supplement is only as good as the quality and quantity of the ingredients used in the formulation. Instant Knockout claims to use the highest quality, natural variant of each of the ten core ingredients. We were happy to find that the company focused on natural ingredients that have been well researched.

As an aside, kudos to Instant Knockout for not using any proprietary formulas in the manufacturing of their product. This means we not only have the exact ingredients but the exact amount of each ingredient too. This is crucial to our Instant Knockout review because it allows us to analyze the true effectiveness of the supplement.

It is also worth mentioning that Instant Knockout is made in cGMP and FDA approved facilities in the USA and UK.

Unfortunately, they’ve excluded the entire vegetarian and vegan markets for their product by opting to use gelatin for their capsules.

Let’s take a closer look at the Instant Knockout ingredients.

Ingredients List

We’re going to take a look at all of the ingredients in the Instant Knockout fat burner to gauge their efficacy, quality, and effectiveness. You can feel free to skip this section if you’re not interested in this in-depth analysis.

Serving Size: 4 Capsules – Servings per Container: 30Amount Per Serving% Daily Amount
Vitamin B6 (as pyridoxine HCI)5mg250
Vitamin B12 (as cyanocobalamin)10mcg166
Zinc (as zinc oxide)10mg150
GTF Chromium (as picolinate)100mcg82
Green Tea Extract (leaf)500mg**
Green Coffee Extract (bean)100mg**
Cayenne Powder (fruit)100mg**
Glucomannan (konjac root)1800mg**
Caffeine Anhydrous300mg**
Black Pepper Extract (standardized to 95% PE)10mg**

** Daily Value Not Established

Green Tea Extract

Green Tea In Instant Knockout

Instant Knockout, like other fat burners such as LeanBean, positions green tea extract as the powerhouse nutrient for fat loss in their formulation. The company references a couple of studies that do show a measurable effect in this regard.

However, as all such references, you can’t take the marketing headlines at face value.

For example, while one such reference cited does indeed show that green tea extract helps with weight loss and weight management, the paper’s conclusion also makes clear that the positive results were not seen in those participants that already consumed 300mg of caffeine daily—about the same as a grande drip coffee from Starbucks.

Luckily, green tea has been extensively reviewed and there is a more recent meta-analysis from 2014 on the effects of green tea extract on body weight and body composition.

The conclusions were pretty clear:

CONCLUSION OF THE AUTHORS: Green tea or green tea extracts intake exerts no statistically significant effect on the weight of overweight or obese adults. There is a small effect on the decrease in the percentage of fat mass, but it is not clinically relevant.

Cayenne Powder (from Cayenne Pepper Seeds)

Cayenne powder is derived from the cayenne pepper. The magic ingredient in cayenne powder is a molecule called capsaicin that is known to have a whole host of medicinal properties.

In the context of Instant Knockout, capsaicin is added to help boost your metabolism, increase insulin sensitivity, and help blunt the appetite.

One meta-analysis suggests that daily consumption of capsaicinoids may contribute to weight management through reductions in energy intake.

Examine.com—another highly respected resource that looks at ALL of the available scientific evidence—also suggests that capsaicin has modest benefits to boosting fat loss, stating:

The exact molecule found in hot peppers that burns your face off acts via adrenaline receptors and TRPV1 (like Evodia) to increase heat quickly. [capsaicin] Can burn body fat with minimal potency, fight inflammation with decent potency, and prevent cancer with indeterminate potency.

Glucomannan

Glucomannan is a natural fiber product that is usually taken from the root of the konjac plant.

Glucomannan is used as an appetite suppressant. While individual studies can be found that speak to the potential benefits of this compound to help with hunger management, this 2014 meta-analysis suggests otherwise:

CONCLUSION: The evidence from available RCTs does not show that glucomannan intake generates statistically significant weight loss. Future trials should be more rigorous and better reported.

Caffeine Anhydrous

Before supplements as a class of products were even a thing, caffeine was being used to boost energy, reduce feelings of fatigue, and help improve mental focus. It is also a drug and class of stimulant, speeding up the signals between the brain and the body.

There is good evidence to support caffeine as an energy booster. A recent meta-analysis of 13 trials also found that caffeine use correlated with improvements in body composition.

Overall, the current meta-analysis demonstrated that caffeine intake might promote weight, BMI and body fat reduction.

The caffeine dose in Instant Knockout is a minimum of 300mg. The caffeine comes in the form of caffeine anhydrous (300mg) as well as the green tea in the formulation. This dose is split across the four doses, meaning that every single dose is around 75mg—or one small cup of regular coffee.

In terms of efficacy, the Instant Knockout dosing of 300mg is in line with the literature and resources like Examine.com, with most studies using 4-6mg caffeine per KG of body weight (300-450mg for a 75KG/165lb individual).

Vitamin B6 and Vitamin B12

B vitamins are essential to energy production in the body. However, unless you are clinically deficient in these vitamins, the addition of B6 and B12 to a supplement is not going to help with fat loss or energy production.

They are not going to be doing much in terms of mood or focus either.

GTF Chromium

Consumed through the diet, chromium is an essential mineral that helps regulate our glucose metabolism and insulin sensitivity.

Instant Knockout lists a number of benefits associated with this trace element, including improved insulin control as well as reduced appetite and food cravings.

Zinc

Zinc is another dietary mineral that has numerous roles in the body at a cellular level. T there is data to suggest that zinc has a role to play in low testosterone and decreased insulin sensitivity. Instant Knockout goes on to cite a couple of references that do show some positive effects in one or more groups.

However, as is the case with all such dietary minerals, unless there is a clinical deficiency or confounding medical condition (e.g. diabetes, low testosterone), the effects of zinc supplementation are not often shown to be effective in the general population.

Piperine

There is very little evidence out there to support Piperine as an effective supplement in the context of fat loss.

The claims around thermogenesis are not wrong so much as they are overstated. While there will likely be no negative effects of including piperine in the formulation, there just isn’t the scientific data or human studies to support any claims in this regard. That said, there are no common side effects, and it is common to find this ingredient in a weight loss supplement.

Green Coffee Bean

Green coffee beans are unroasted coffee beans. Most of the benefits of green coffee extract come from the antioxidant chlorogenic acid. Some studies in mice have shown it effective in helping the body to burn glucose and stored body fat. It is very common to find this ingredient in a weight loss supplement.

Dosage and How to Take Instant Knockout

Each bottle of Instant Knockout contains 120 capsules. Individuals are directed to take one capsule, four times a day.

  • One first thing in the morning
  • One before lunchtime
  • One in the afternoon
  • One before the evening meal

Claims vs. Reality

Whenever we review a health product, we like to compare the company’s claims to reality. 

As is the case with many fat loss products, Instant Knockout uses some emotive language throughout their web site. They also try to position the product as the secret “cheat” that professionals have been using behind the scenes.

Of course, you only have to look at the training schedule of even a journeyman MMA fighter to know that the only “cheat” for their lean, athletic, and powerful physique is many hours of grueling strength, conditioning and grappling training, combined with strict adherence to a well-planned diet.

However, I’ll commend Instant Knockout in that they don’t seem to make a lot of grandiose claims about their product. The company is focused on the ingredients and the research behind them.

The company is transparent and mentions that Instant Knockout is intended for use in conjunction with a diet and exercise regime.

Lastly, references to scientific journals and studies are frequently provided when specific claims about the effectiveness of an ingredient are made. However, as is the case with all such efforts, the onus remains on the consumer to do their homework and actually look-up and read the referenced papers.

As a result, you’ll frequently find the marketing narrative somewhat more optimistic than was generally inferred in the linked research.

Who is it Best For?

Despite a strong association with professional athletes and fight sports, Instant Knockout is targeted at anyone interested in weight loss.

Despite the overtly masculine theme of the brand, Instant Knockout goes out of its way to speak to the suitability of their product for females, dedicating an entire section of their website to women.

The best results will undoubtedly be seen by those following a calorie-controlled diet and regular training schedule.

Instant Knockout Safety and Side Effects

The specific ingredients used in Instant Knockout are all-natural and presented in quantities that appear to be safe and well evaluated in the medical literature. Most of these natural ingredients do not have side effects when taken in the proper doses by healthy people. Of course, if you know you have a sensitivity to certain ingredients, you should read the ingredient list thoroughly to avoid any unwanted side effects. If you are on medication, you should check with your doctor before trying this fat burning supplement. 

Where to Buy Instant Knockout

Where To Buy Instant knock

Roar Ambition is trying to maintain tight control of the branding for Instant Knockout and clearly does not want it to be seen as a commodity product.

Consequently, you can only buy the product on the company’s official website: https://www.instantknockout.com.

The official website lists pricing as follows:

  • One Bottle — $59 + $7.95 shipping
  • Two Bottles — $118 (qualifies for free shipping, saving $7.95)
  • Three Bottles — $185 (free shipping plus one free bottle)

Buying the three bottle stack nets you a fourth bottle for free, bringing the total monthly cost of Instant Knockout down to $46.25 — a saving of over $50 on the price of four individual bottles. 

Instant KnockoutBest Deal on Instant KnockoutWe scour the web for the best deals on supplements. Want the best price? Click the button below for the best savings!GET THE BEST PRICE

Value for Money

It is challenging to make a clear determination as to whether a product represents good value, largely because the value of a product comes down to its effectiveness and plenty of personal opinions.

One rudimentary way to evaluate value for money is to look at the top 50 best selling fat burner products on Amazon. At the time of writing, the average price of these products was $26.89, with only 6 of the 50 products listed for more than $40.

From this perspective, it suggests that Instant Knockout is at best not cheap.

The Bottom Line

So we’ve arrived at the million-dollar $185 question—should you buy the Instant Knockout supplement? Hopefully our review has shined some light on how the product works. Here are some common questions you may have.

Does Instant Knockout Really Work?

From the ingredients list, it’s a solid maybe. Overall, we were happy with what we found in our Instant Knockout review.

There certainly is some evidence that each of the ingredients used has been shown to support one or more of the claimed benefits of boosted metabolism, increased energy, or reduced hunger cravings.

Overall, we’d say the supplement is effective. There is no miracle supplement that will magically melt fat, but Instant Knockout is a great supplement to combine with a healthy diet and exercise routine.

Instant Knockout Reviews

The Instant Knockout website presents a very convincing collection of user reviews and testimonials. The product does also has some significant celebrity endorsements from respected fighters and coaches alike. These endorsements and reviews for Instant Knockout are promising, especially when you compare the product to the competition. Fat burners are infamously sketchy. Roar Ambition does a great job of trying to be as transparent and honest as possible.

Should I Buy Instant Knockout?

It should be clear losing weight requires extreme discipline with both diet and exercise.

The Instant Knockout FAQ even positions its product as a bodybuilding supplement and makes it clear that you should be following a program of resistance training and a calorie-controlled diet to see results.

At the end of the day, fat loss comes with consistent hard training combined with a sustained calorie deficit. Can Instant Knockout help you sustain achieve that through elevated energy levels and some improvements to satiety and hunger management?

If you are going to try a fat burning product, Instant Knockout is a great option. We’ve reviewed dozens of similar weight loss supplements, and Instant Knockout is one of our highest rated picks.

Instant Knockout Review
  • Ingredients
  • Quality
  • Value
4

Summary

Instant Knockout is a fat burning supplement in the form of capsules that helps you in erasing fat. It is made from natural ingredients that make it side effects free. Is it really worth the money? Read our review to find out.

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