instant knockout
Weight Loss

Instant Knockout Review: Does It Really Burn Fat?

  Autor: Lukas Weier

Keen to lose fat? Check out our Instant Knockout review. An all-natural fat burner with proven results. Is it all it’s cracked up to be?

Keen to lose fat? Check out our Instant Knockout review. An all-natural fat burner with proven results. Is it all it’s cracked up to be?

Have you set a goal to shed fat and get leaner? That’s awesome. A calorie deficit and regular workout routine are a great place to begin.

However, this can be hard to stick to when schedules, age, and genetics get in the way.

To boost your results, take a high-quality and safe fat-burning supplement.

These can speed your metabolism, curb cravings, suppress appetite, regulate blood sugar, and even stop fat cells from forming.

We are looking at Instant Knockout, a highly-rated fat-burning supplement with all-natural ingredients.

Our Instant Knockout review studies the ingredients, side-effects, benefits, pros, cons, customer reviews, and a final verdict.

What is Instant Knockout?

Instant Knockout is a fat-burning dietary supplement designed especially for MMA fighters and boxers. For these athletes to make their weight goals in time to qualify for their fight, they need to cut fat quickly.

Instant Knockout contains all-natural fat burners that boost metabolism for more fat burning and boosts energy for more effective exercise. 

About the brand

Instant Knockout is owned by Roar Ambition Ltd., a registered company in England and Wales. They distribute their products from warehouses in the UK and the USA, and they deliver worldwide.

We’re happy to see that Instant Knockout and Roar Ambition Ltd. use website security measures such as Comodo secure.

Plus, they guarantee that no recurring payments will be deducted from your card. This is an issue with some businesses, but Instant Knockout will only charge when you make an order.

Read more: 5 Best Fat Burning Pills That Help You Get Lean Body You Deserve


instant knockout label

Instant Knockout contains a collection of all-natural ingredients. Unlike other dietary supplements, they don’t use a proprietary blend. This is great because it means the amounts of each ingredient are listed and transparent.

Vitamin B6 (pyridoxine) 5mg
Vitamin B6 is crucial for metabolizing protein and carbs, providing energy for your muscles.

B6 boosts metabolism and can even help to prevent anemia by supporting red blood cell creation. It is also important for healthy cognitive function.

Vitamin B12 10mcg
A crucial vitamin for healthy energy levels, prevents anemia, and helps to keep your mind sharp.

Low B12 levels can cause weakness and fatigue (not so great for strenuous, fat-burning workouts).

Zinc 10mg
Zinc is crucial for a healthy immune system, and has been proven to help reduce fat in obese patients. Zinc helps with energy levels during calorie-torching exercise.
GTF Chromium 100mcg
Helps to regulate blood sugar, leading to more stable energy levels. This also helps the body to process fat and sugar, while reducing cravings.
Green Tea Extract 500mg
Provides caffeine for mental and physical energy, and boosts metabolism.
Green Coffee Extract 100mg (no caffeine)
Helps to regulate blood sugar, lower blood pressure, and provide antioxidant support (from chlorogenic acid)
Cayenne Powder 100mg
Kicks the metabolism, helping to burn more calories. It also improves insulin sensitivity and carbohydrate storage in the body.
Glucomannan 1800mg
Keeps you feeling full and satiated, reducing cravings and helping you to stick to a caloric deficit.
Caffeine Anhydrous 300mg
Gives an energy boost so you can work out harder and faster, burning more calories.
Black Pepper Extract 10mg
Contains piperine which boosts metabolism and halts fat cell creation.

How does Instant Knockout Work?


instant knockout supplement

Instant Knockout aids the weight loss process by suppressing the appetite, curbing cravings, increasing metabolism, regulating blood sugar, and providing energy:

  • Vitamins B6 and B12 boost energy levels by supporting red blood cell creation. This means lifting heavier and running faster during workouts.
  • GTF Chromium and green coffee regulate blood sugar levels, preventing energy slumps and sugar cravings.
  • Black pepper, green tea extract, and cayenne pepper boost the metabolism, leading to more calories burned, and greater fat loss.
  • Glucomannan creates the sensation of fullness, leading to reduced appetite and fewer cravings. This helps to reduce caloric intake, the cornerstone of weight loss.
  • Caffeine anhydrous and green tea extract gives an energy boost and sharpens mental focus. This gets you out of bed for exercise and helps with the mind-muscle connection during strength training.

Instant Knockout Benefits

  • Suppresses appetite
  • Curbs cravings
  • Improves energy and reduces fatigue
  • Boosts metabolism for faster fat burning
  • Provides antioxidant support
  • Regulates blood sugar levels

Real User Reviews


instant knockout pills

The Instant Knockout website displays some pretty impressive before-and-after shots, along with customer testimonials.

A common customer comment is that Instant Knockout effectively curbs appetite and stops mindless eating:

“Initially not expecting much, I started on day one with my morning pill just before breakfast. Within ten minutes I felt full without taking a bite, naturally I was a little surprised as I did not expect the appetite suppression to take effect so quickly”.

Others have found that yes, the caffeine does cause a noticeable “wired” sensation initially. However, it gives way to reduced snacking and more energy during exercise: 

“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 eat pretty well so I really didn’t change my diet. I had increased energy, stopped eating out of boredom and felt so much stronger at the gym. I was on fire!”

Other customers found that Instant Knockout led to successful weight loss when combined with a sensible diet and exercise plan (common sense):

“Didn’t feel any true side effects besides having a ton of energy at night…5PM tops. Probably the first fat burner I’ve taken that allowed me to see my abs. You must clean your diet up slightly and workout while taking the product. This isn’t going to help you lose weight if you’re eating high cholesterol foods with no exercise”.

How Do I Take Instant Knockout?

Take four capsules a day: one as soon as you get up in the morning, one just before lunch, one in the afternoon, and one just before dinner.

However: make sure the last dosage is taken at least 5 hours before bedtime to prevent sleeplessness.

Price And Where To Buy It?


instant knockout bottle

You can buy Instant Knockout directly from their website.

Amazon also sells Instant Knockout, but at a much higher price than the official website.

This is a smart way to shop as you can get a bundle deal with four bottles for the price of three.

The website is secure and accepts Visa, Mastercard, Amex, and PayPal payments.

No need to worry about incurring unwarranted charges after your first payment. Instant Knockout only charges you for one-off payments.

Instant Knockout is available in the following packages:

  • 1 bottle (1 month supply): $59.00
  • 2 bottles (2 months supply): $118.00
  • 3 bottles + 1 free (4 months supply): $185.00

Returns Policy And Money-Back Guarantee

Instant Knockout offers a great satisfaction guarantee:

Send the product back within 90 days if you’re not happy with the results.

Is Instant Knockout A Scam?


instant knockout box

No, not at all. Instant Knockout is a safe and secure company that won’t make unwarranted charges or sign you up for repeat subscriptions.

Plus, they are transparent about the ingredients (and ingredient amounts) and have a great track record for results.

What’s more, they stand by their product so vehemently that they’ll give you your money back if you’re not happy.

Side Effects: Is Instant Knockout Safe For Everyone?

Instant Knockout uses all-natural ingredients and doesn’t contain banned or dangerous ingredients such as bitter orange. For this reason, it generally has a low risk of harmful side effects.

However, it does contain caffeine, so it might cause side-effects such as:

  • Jitters
  • Sleeplessness
  • Nervousness

Ingredients such as Vitamin B6, zinc, and GTF Chromium may cause:

  • Headache
  • Nausea
  • Diarrhea
  • Sore stomach

No matter how safe a supplement may seem, it’s important to check with your doctor before giving it a try. Even the most natural ingredients may interact with your current medications or health status. Take extra care if you:

  • Are pregnant or breastfeeding
  • Are under 18
  • Are taking regular medications
  • Have existing health conditions

Pros And Cons


  • Excellent refund policy
  • Proven results
  • All-natural ingredients
  • Low risk of dangerous side-effects


  • Contains caffeine (may be unsuitable for some)

Final Verdict


instant knockout fat burner

Instant Knockout is a safe and well-formulated fat burner that could take your weight loss results from marginal to excellent. It’s especially great if your main set-backs are an overactive appetite and cravings for high-calorie treats.

The all-natural ingredients pose very low risk of side effects, and have been proven to melt fat when combined with a healthy diet and exercise.

We recommend giving Instant Knockout a try. Best case scenario: you shed fat and finally reach your goals. Worst case? You send it back for a full refund, no questions asked.

Read more: LeanBean Review: Ultimate Fat Burner For Women?

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