The Hard Truth About Instant Knockout: A Science-Based Review

Who‘s Behind Instant Knockout?

Instant Knockout is manufactured by UK-based sports nutrition company Roar Ambition. Founded in 2014 by entrepreneur Robert Parker, the company has the sole goal of making Instant Knockout the #1 thermogenic fat burner.

While the hype around Instant Knockout continues ramping up – with over 35k Facebook likes and endorsements from celebrities like MMA champ Diego Sanchez – as a consumer you should remain objective.

As we‘ll see in this review, even with flashy marketing, trendy ingredients like green tea extract, and transformations that seem too good to be true, the reality may be underwhelming.

What Instant Knockout Claims to Do

According to Roar Ambition‘s marketing, Instant Knockout will:

  • Help users rapidly lose excess body fat
  • Prevent muscle loss and increase lean muscle growth
  • Suppress appetite
  • Boost energy expenditure and resting metabolism
  • Transform users‘ bodies in ways diet and exercise alone cannot

These are lofty promises that instantly raise some red flags. Any self-respecting skeptic knows that miracle fat loss solutions simply don‘t exist – so what‘s the real story?

Let‘s analyze the Instant Knockout formula to find out…

Inside the Instant Knockout Blend

Instant Knockout contains 10 core active ingredients. Do any of them have legitimate fat burning mechanisms backed by science?

Vitamin D3, B6 & B12

Instant Knockout contains mega-doses of vitamins D, B6 and B12.

While essential for health, there is limited evidence high-dose vitamin supplementation aids fat loss. At best, deficiencies may slightly hamper weight loss efforts [1].

These vitamins are likely added to round out a nutritional profile rather than boost thermogenesis or oxidation.

Glucomannan

Glucomannan is a water-soluble dietary fiber. It expands in the gut to promote feelings of fullness and can assist weight loss efforts [2].

However, with less than 2 grams per day, the Instant Knockout formula does not provide enough glucomannan to replicate doses used in successful clinical trials [3].

Green Tea Extract

Green tea is commonly included in thermogenic fat burners thanks to compounds like EGCG that are proposed to increase fat oxidation. While it shows promise for boosting metabolic rate, high variability in responses makes its effects unreliable [4].

At only 500mg per day, the clinical evidence supporting green tea extract‘s impact is also weak.

Caffeine Anhydrous

Caffeine is a central nervous system stimulant that helps mobilize fatty acids and theoretically boost metabolism. But its effects are often exaggerated.

Studies show 300mg caffeine (the Instant Knockout dose) only increases 24-hour energy expenditure by about 100 calories [5]. That’s barely a dent for weight loss purposes.

Building tolerance also minimizes effects over time.

L-Theanine

Found alongside caffeine in tea, L-theanine may have mild synergistic effects and help smooth out the “crash” from stimulants.

However, at just 100mg, its influence is likely minimal. L-theanine is not a metabolism booster or fat burner.

Cayenne Pepper

Spicing up foods with compounds like capsaicin found in peppers may temporarily increase thermogenesis and calorie burning after meals [6].

But with high variability in responses and rapid tolerance build up, cayenne’s impact is minor and likely short-lived [7].

Black Pepper Extract

Black pepper extracts like piperine can enhance bioavailability and absorption of other compounds like turmeric and curcumin.

But evidence piperine enhances nutrient absorption and bioactivity enough to impact body composition is severely lacking.

At just 10mg, its influence is negligible.

The Bottom Line on Instant Knockout Ingredients

Analyzing the Instant Knockout formula as a whole, it contains a thin scattering of compounds with potential – albeit unreliable and weak – mechanisms that may assist slightly with fat loss.

The ingredient doses are far lower than used in successful clinical trials and unmatched to lofty fat loss promises.

There are zero magic bullets for dramatic spot reduction or accelerated fat burning. Instant Knockout relies on hype and hope rather than proven efficacy.

What Do Customers Really Think?

Beyond the formula itself, what about real world results?

Digging beyond the cherry-picked reviews and transformations on Instant Knockout’s website, unbiased customer opinions are mixed at best. Common complaints include:

  • Negligible effects even when diet and training were optimized
  • Rapid building of tolerance minimizes effects
  • Stims cause side effects like jitters, anxiety, headache and sleep issues
  • Poor value for the expensive price tag

As expected, without changes to nutrition habits and activity levels, satisfied customers are few and far between.

Should You Buy Instant Knockout?

Given the analysis above, combined with mediocre customer feedback, I cannot recommend Instant Knockout as a sound investment.

For the premium cost, the return is likely disappointing results and side effects.

You‘d be far better served spending that money on healthful foods and investing in a sensible nutrition plan and consistent training regimen rather than quick fixes.

Supplements like Instant Knockout prey on people‘s insecurities and desires for rapid, effortless progress. But shortcuts simply don‘t work long term.

Instead, staypatient and trust the process. With commitment to lifestyle habits, you‘ll get there.

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