OUR REVIEW: Instant Knockout Complete Meal Replacement Powder

Instant Knockout Complete Review

Today we’re having a closer look at Instant Knockout Complete, a meal replacement shake that is formulated to help you cut back unwanted fat and tone your physique.

Instant Knockout is a brand that has been used by many athletes, fitness enthusiasts, and even legendary MMA coaches like Greg Jackson to cut extra weight without sacrificing muscle or performance.

Each 100g pouch of Instant Knockout Complete contains a blend of all-natural, heavily-studied ingredients. Mixing it with water or your beverage of choice and drinking it daily, you can get the benefits of a complete powdered meal on the go.

But what is exactly inside Instant Knockout Complete – and how does it work? What makes it stand out in the sea of meal replacement shakes on the market? Is it worth the money? Carry on reading to find out all you need to know about Instant Knockout Complete and our opinion of its pros and cons.

Instant Knockout Complete Review Key Points

IKO Complete Summarized:

After reviewing it carefully, we believe that Instant Knockout Complete is one of the best – dare we say the best – weight-loss meal replacement powders currently on the market.

It uses some of the highest-quality ingredients we’ve seen, including sustainably sourced plant proteins, MCT oil, minerals, vitamins, and slow-acting fiber, to name just a few. At the same time, Instant Knockout Complete only has 400 calories per serving (2 scoops).

The benefits you should expect with Instant Knockout Complete are reduced hunger & appetite, and better calorie control. It also promotes muscle growth and recovery, so you can expect higher levels of performance during exercise. Based on the results from IKO Complete, we can see why it enjoys so many excellent reviews & testimonials online.

IKO Complete truly is a nutritionally complete meal replacement shake that will help you lose weight without sacrificing muscle. We understand it is not cheap, and some people might look for other options on sale. However, if you are able to afford it, Instant Knockout Complete is definitely worth the money.


  • Endorsed by professional athletes and coaches
  • Supports fat loss while protecting you from muscle catabolism
  • 400kcal per serving of 2 scoops
  • Promotes thermogenesis, appetite suppression, calorie control, and nutritional balance
  • Free of chemicals and animal-sourced ingredients
  • Made in an FDA-approved facility
  • Great flavour rating
  • Free shipping within the USA & UK when purchasing 2 or more pouches


Interested in Instant Knockout Complete?

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Instant Knockout Complete Overview

Instant Knockout Complete is a meal replacement powder that specializes in weight loss.

  • 2 scoops of IKO Complete mixed with water or milk provides you with a complete palette of nutrients essential for efficient muscle growth, immune function, focus & cognitive performance, mood, and weight loss. It only has 400 calories per serving.

Instant Knockout Complete is just one of the products in the Instant Knockout range of supplements, the other popular one being Instant Knockout CUT. In fact, IKO Complete and Cut are formulated to complement each other. When you take both Instant Knockout Complete powder and Instant Knockout Cut capsules, you are targeting weight loss from multiple angles – including thermogenesis, metabolic boosting, and fat breakdown. This enables faster progress than taking either of these two alone.

Whereas Instant Knockout Cut specifically focuses on burning unwanted fat by ramping up your metabolic rate & energy expenditure, Complete provides complete nutrition for your body while curbing appetite.

All Instant Knockout products – Instant Knockout Complete included – are specialized for fighters and other professional athletes. However, it is now available for everyone who wants to cut weight naturally, safely, and effectively.

How Does Instant Knockout Complete Work? Explained in Detail

Instant Knockout Complete is, as we’ve repeated, a nutritionally rich liquid meal with 400kcal per serving. With every serving, you are getting a strong 35g of protein blended with vitamins and other key nutrients in high doses for maximum performance.

As the Instant Knockout website says, the product is called “Complete” because it feeds your body with everything it requires for optimal function & athletic ability. What makes it so impressive, is that Instant Knockout Complete is specifically made to keep you feeling full and satiated for longer than most meals, despite having just 400 calories per 2 scoops.

While some meal replacement powders are cutting out carbohydrates and other nutrients, Instant Knockout Complete still gives you the complex carbs and calories found in a healthy meal, while helping you stay full and energized throughout the whole day.

Each pouch of IKO Complete (100g/2 scoops) gives you 35g of carbohydrates, including 13g of fiber. The 35g of protein aids your muscle strength and recovery, while the carbohydrates and fiber assist with digestion, mood, energy, and appetite control.

The carbohydrates that Instant Knockout uses are slow-acting, which means they increase your energy levels, but they don’t cause the typical “carb crash” afterward. This is important because, in order to maintain peak mental and physical performance throughout the day, and to keep hunger at bay, you will need to maintain stable blood sugar levels, which is exactly what Instant Knockout Complete is designed to do.

Instant Knockout Complete – Key Benefits

Here are some of the highlights of Instant Knockout Complete:

  • 35g of clean protein for muscle growth and recovery
  • 35g of slow-digesting carbs for stable energy levels
  • 13g of fiber for blood sugar & appetite support
  • Vitamins A, D, and E for hormone balance, immune system, and antioxidant support
  • Omega 3 & 6 fatty acids for mood, concentration, and overall health
  • Chromium to balance blood sugars & reduce sugar cravings

What Makes Instant Knockout Complete Stand Out?

What is it about Instant Knockout Complete that makes it different from other formulas?

After all, there are countless meal replacement shakes to choose from nowadays.

The answer is that typical weight loss powders are high in protein but minimal in calories and carbs. They are made to fill you up with as much protein as possible while cutting out the carbohydrates and calories.

If you are following an ultra low-calorie diet and aren’t exercising much, these shakes could be worth trying. However, these low-calorie, low-carb weight loss powders are not ideal for active people.

Your body needs fuel in the form of carbs, proteins, fiber, minerals and other nutrients to stay energized, healthy, and to repair from inflammation and damage. Nutrient deficiencies can not only make you feel weak and sluggish, they also lead to hormone imbalances, such as elevated cortisol. This has a whole host of long-term health side effects.

Instant Knockout Complete is designed to maximize performance and minimize muscle atrophy while feeding you with a satiating, nutrient-rich food replacement shake.

Formula Analysis

Instant Knockout Complete Ingredients Graphic

To get a better understanding of what makes Instant Knockout Complete an effective meal replacement shake, it’s helpful to know its ingredients and the science behind them. The ingredients in Instant Knockout Complete include:

1. Pea and Soy Protein

Instant Knockout Complete features a complete, bioavailable plant-based protein to help your body perform its functions. It utilizes two types of protein: pea and soy protein. This combination is reported to be highly effective at elevating muscle protein synthesis, improving satiety and fullness, and supporting a healthy metabolism. In fact, the effectiveness of quality plant proteins like the ones in Instant Knockout Complete is shown to be on par with whey protein – but without bloating or other side effects.

2. MCT Oil

MCT oil complements vitamin B6 in Instant Knockout Complete to boost basal metabolism and eliminate excess fatty acids from your body. Medium-chain triglycerides (aka, MCTs) are studied dietary fats that your liver can quickly use for energy. Your body digests and absorbs MCTs more efficiently than long-chain triglycerides, which is why MCTs work so well when taken in the morning for a long-lasting energy kick. Roar Ambition, the producer of IKO Complete, says that MCTs in the supplement are used to facilitate fat breakdown, fatty acid oxidation, increased metabolic rate, and energy release. Overall, MCTs help your body tap into its fat stores for increased energy. You’re losing fat but also having less fatigue; it is a dream scenario for any athlete.

3. Chia Seeds

Chia seeds have taken off in popularity in recent years. Dietitians rate it as one of the most nutrient-dense foods for boosting energy – despite having just 101 calories per 28g. The two most important compounds in chia seeds are fiber, which aids your digestion, and omega-3 fatty acids, which extinguish inflammation.

4. Golden Flaxseed

Golden flax seeds are small seeds high in fiber and omega-3 fats. Instant Knockout Complete has added this ingredient to the formula to improve cholesterol, blood sugar, as well as reduce body fat mass. High fiber intake is connected with less frequent hunger and cravings, and consequently, fewer calories ingested.

5. Oat Flour

Instant Knockout Complete takes advantage of oat flour to provide a complex, energy-dense source of carbohydrates. Roar Ambition specifically chose oat flour because of its low glycemic index of 37. For reference, the GI of white bread is 75.

6. Organic Brown Rice

Brown rice is not only another excellent source of complex carbohydrates and other vital nutrients, but it is also as effective as whey protein when it comes to boosting muscle growth and strength. This is thanks to the highly bioavailable brown rice protein. Organic brown rice is packed with leucine, valine, and isoleucine – the three muscle-building amino acids also known as BCAAs. Consuming more of this ingredient may accelerate your muscle recovery and improve overall body composition in favor of lean muscles.

7. Minerals and Vitamins

Besides the muscle-building nutrients, Instant Knockout Complete also contains a whole range of vitamins and minerals essential for healthy metabolism, immune response, cognitive function, and hormone production, to name a few.

These include vitamin D, which is considered to be a secosteroid hormone. Vitamin D is shown to accelerate both muscle building and fat loss at the same time, by optimizing energy production in your cell’s mitochondria and blocking the detrimental effects of the stress hormone cortisol.

Instant Knockout Complete also has chromium, which regulates your blood glucose levels. This, in turn, stabilizes your mood and energy levels throughout the day. Another benefit is the reduction in sugar cravings.

Then there are zinc and magnesium, two crucial nutrients for regulating muscle contractions, deep sleep and recovery, and mood & mindset. Lack of either zinc or magnesium can lower testosterone levels in men, cause a disbalance in estrogen levels in women, and increase the levels of stress hormones in your body – making it more difficult to lose weight and stay lean. A single serving of Instant Knockout Complete contains 50% of your daily need for zinc and 45% for magnesium.

Nutritional Information & Facts

Here is the nutritional value of Instant Knockout Cut per each serving (2 scoops);

  • Calories: 400
  • Protein: 35g
  • Carbohydrates: 35g
  • Total Sugar: 3g
    • Of Which Added Sugars: 0g
  • Dietary Fiber: 13g
  • Fats: 13g
  • Cholesterol: 0mg
  • Salt: 1.1g
  • Sodium: 690mg

The micronutrients in Instant Knockout Complete: 100% DV vitamin D, 50% DV calcium, 45% DV iron, 50% DV potassium, 90% DV vitamin A, 45mg DV vitamin C, 8mg vitamin E, 36mcg vitamin K, 70% DV thiamin, 60% DV riboflavin, 40% DV niacin, 80% DV vitamin B6, 50% DV folate, 50% DV vitamin B12, 360% DV biotin, 50% DV pantothenic acid, 110% DV phosphorus, 40% DV iodine, 50% DV magnesium, 45% DV zinc, 30% DV selenium, 30% DB cooper, 30% DV manganese, 35% DV chromium, 35% DV molybdenum, 30% DV chloride, and 30% DV choline

Instant Knockout Complete Weight Loss System Explained

What exactly is the Instant Knockout Complete Weight Loss System?

In a nutshell, Instant Knockout Complete is designed to work in conjunction with other Instant Knockout supplements.

Instant Knockout System

For instance, by combining Instant Knockout Complete with Instant Knockout Cut, you will get the best of both products in terms of fat burning (Cut) and appetite reduction (Complete). At the same time, you will benefit from the full nutritional value of a complete meal.

The Instant Knockout System was born out of the collaboration between Roar Ambition and famous MMA trainer Greg Jackson.

The Instant Knockout System takes a four-pronged approach to weight loss:

  • Pillar #1: Thermogenic Boost: Thermogenesis is another term for elevated calorie burn. Your body creates thermogenesis when you do physical exercise, or when it needs to tap into stored body fat for energy. Some natural compounds, like caffeine and cayenne pepper, have been found to boost thermogenesis, making your metabolism burn more fat. Many of the ingredients in Instant Knockout CUT (the complementary supplement to Instant Knockout Complete) are shown to have considerable thermogenic effects.
  • Pillar #2: Calorie Control: The only effective way of losing weight is to maintain calorie deficit. Meaning, you need to spend more calories than you consume every day. Instant Knockout Complete is formulated specifically with this in mind – helping with calorie control by blocking the excessive “hunger impulse”. Instant Knockout Complete delivers 35g of protein, 35g of carbohydrates, and 13g of fiber per serving, all of which work to keep you full for hours. This, in turn, makes it easier to stay below your caloric maintenance and lose weight long-term.
  • Pillar #3: Nutritional Balance: Getting all of your essential nutrients will not just benefit your weight loss, but your mental well-being, too. Instant Knockout Complete is packed with nutrients – much like a quality multivitamin or leading food replacement powder. Not getting enough nutrients means your weight loss program will be unsuccessful. The goal of Instant Knockout Complete is to give your body the elements it needs to efficiently burn fat and protect muscle from breakdown.
  • Pillar #4: Appetite Suppression: Constant overeating can quickly ruin your efforts. The ingredients in Instant Knockout Complete work to prevent nagging hunger and sugar cravings by stabilizing your blood sugar levels, slowing down the digestion of carbs, and signaling the brain that the body is full. In turn, you will be able to stay within your daily calorie limit more easily.

Does Instant Knockout Complete Tick Your Boxes?

-Visit The Official Website-

What Does Evidence Say About Instant Knockout Complete?

The Instant Knockout’s official website says that Complete is backed by five years of scientific research and development. The company cites an extensive list of references to their claims about the benefits of IKO Complete. The Instant Knockout Complete formula was created, tested, and refined with the aid of the world’s leading nutritionists and fitness experts in their state-of-the-art labs in the USA and UK.

Roar Ambition, the creator of Instant Knockout, shares dozens of clinical studies on the product’s website to testify to Instant Knockout Complete’s effectiveness, quality, and safety.

For instance, one study found a higher level of fat breakdown in volunteers who took MCT oil for 2 weeks. The scientists noted that MCTs boost fat oxidation, fat burning, and, consequently, they assist you in losing weight long-term.

The claim made by the Instant Knockout’s manufacturer that oat flour has a significantly lower glycemic index than white bread and other fast-acting carbohydrates is correct, as well. In a 2017 paper, researchers confirmed that oat flour is high in nutrients that contribute to satiety, including complex protein, fiber, unsaturated fatty acids, and antioxidants.

The proteins in Instant Knockout Complete – namely pea and soy protein – are backed by strong evidence too. Plant-based proteins are shown to be just as effective, if not superior to whey protein at stimulating muscle building & repair. Not to mention that plant proteins have fewer side effects compared to whey-sourced proteins.

All in all, Instant Knockout Complete packs a punch when it comes to its nutritional profile; it contains everything your body needs to optimize weight loss and maintain energy levels throughout the day. By consuming it daily, you could see faster progress with your fitness goals.

Instant Knockout Complete Pricing

Instant Knockout Complete costs $65 per pouch (14 meals), plus a small shipping fee. Other options include:

  • 2 Pouches: $130 (free shipping to the USA and UK)
  • 3 Pouches: $195 (free shipping to the USA and UK)

Instant Knockout products ship worldwide. If you’re outside of the USA or UK, there is only a small shipping fee on all orders.

Refund Process

Instant Knockout Complete offers a 30-day refund for people from the USA and Canada. For those in the UK, it’s 14 days.

To qualify for a refund, your products have to be unopened, unused, and properly sealed with an undamaged product package. If you tried Instant Knockout Complete, you are not eligible for a refund if the product is open.

For any questions, please reach out to the company’s customer support via email: [email protected]

Instant Knockout Complete Weight Loss System Pricing

As we mentioned, Instant Knockout Complete is made to be used with Instant Knockout CUT, which is another product from their range of supplements.

Also called the “Weight Loss System,” buying Complete and CUT together gives you some perks; such as better deals and value for money.

The website offers the following combinations:

  • Ultimate Fighter System (4xInstant Knockout Complete, 2xInstant Knockout Cut): $375, plus Free Shipping to the UK and USA
  • Pro Fighter System (2xInstant Knockout Complete, 1xInstant Knockout Cut): $195, plus free Shipping to the UK and USA

Who Created Instant Knockout Complete?

Instant Knockout is a subsidiary of Roar Ambition, a specialist supplement company from the UK but operating worldwide. Alongside Complete, the Instant Knockout brand also consists of:

  1. Instant Knockout CUT
  2. Instant Knockout System

Roar Ambition has an entire team of nutritionists and world-class coaches. Their staff works in state-of-the-art laboratories to formulate their supplements.

If you wish to contact Roar Ambition, you can do so through the following:

It’s important to note that all Roar Ambition’s products are manufactured in FDA-approved facilities.

Conclusion to Instant Knockout Complete Review

Instant Knockout Complete is a nutrient-dense meal replacement shake boasting 35g of protein, 35g of carbs, and 13g of fiber. It has 400kcal per 2 scoops, along with generous doses of bioactive vitamins and minerals.

All things considered, Instant Knockout Complete is an excellent meal replacement formula specifically for aiding weight loss, appetite management, and muscle growth. Although it is pricey, we think it is definitely worth the investment. Try it out and see the results for yourself.

To find out more about Instant Knockout Complete, customer testimonials, the team behind it, and the science behind the formula, follow this link to Instant Knockout’s website.

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