Fat Burning Reviews, Tips and News

Instant Knockout vs Leanbean

In our Instant Knockout vs Leanbean Review, we will be looking into two of the leading fat burner supplements in the market. They’re very similar, but there are a couple of things that they do differently. Which is better? Read on to find out more!

Instant Knockout vs Leanbean review


Roar Ambition – Instant Knockout

Roar Ambition is the company that manufactures the Instant Knockout. It is big – for lack of better words. It’s a premium company that produces only the best product for its customers. They manage to stay consumer-friendly too, whilst making products that are formulated for professional MMA fighters and boxers alike.

Ultimate Life – Leanbean

Ultimate Life is a manufacturer that recently popped out of the woodworks. They’re new, but their products are well-worth the interest. They are UK-based but have been approved in facilities in both the UK and the US.

Bottom Line: Both products benefit from their company branding, and deserve a point for this round.

Instant Knockout: 1
Leanbean: 1


There are a couple of things that we pay attention to when we’re looking at a supplements’ classifications. Such as…

Proprietary Blends

These are blends that we hate to see in the supplements that we analyze. It keeps us from knowing how much of each ingredient is actually in the supplement.

Bottom Line: Fortunately, both the Instant Knockout and the Lean Bean are free of proprietary blends.

Instant Knockout: 2
Leanbean: 2


For the recommended daily dosage, we expect to see around 3-4 capsules throughout the day.

Bottom Line: Again, both the Instant Knockout and the Lean Bean did well by having the maximum dose (4 capsules per day.)

Instant Knockout: 3
Leanbean: 3


As mentioned in the beginning, these two supplements have a lot in common. Here are a couple of the more notable common ingredients.

Instant Knockout vs Leanbean Ingredients

Green Coffee

This is an ingredient that we usually look for when we’re analyzing supplements. It has great potential as a metabolizer, and has been proven to provide thermogenic benefits (1). It relies a lot on potential, so we don’t expect too much of it (especially as it also has high-caffeine content.) The Instant Knockout has 100mg per day whilst the Lean bean has 6000mg per day.

Bottom Line: A lower dosage for Green Coffee is preferable.

Instant Knockout: 4
Leanbean: 3


This is a fiber that expands in the stomach. It sucks up liquids and makes itself harder to digest. Although it might sound like a weird side-effect, it’s actually perfectly safe and is helpful for suppressing your appetite.

Bottom Line: Both the Instant Knockout and the Lean bean use the recommended dose.

Instant Knockout: 5
Leanbean: 4

Cayenne Pepper

There are many studies that have proven that Cayenne provides a fat burning effect by giving off supplemental heat and by slowing down the rate in which your body absorbs sugar (which makes the cravings go away.)

Bottom Line: Both the Instant Knockout and the Lean bean use the recommended dose.

Instant Knockout: 6
Leanbean: 5


Next up, are the ingredients that they don’t have in common.

Instant KnockoutInstant Knockout


We prefer straight up caffeine as a stimulant, it gets the job done and is effective at clinical doses (2).

-See our Full Instant Knockout Review-


-Visit Instant Knockouts Website-

LeanbeanInstant Knockout vs Leanbean 2

Raspberry Ketones

Although suspected of having miracle-like effects, there’s nothing to prove that it actually works.

-See our Full Leanbean Review-


-Visit Leanbean Website-

Bottom Line: Although the Lean Bean provided many good ingredients, it also used a couple that cannot be proven to work.

Instant Knockout: 7
Leanbean: 5


We usually find something troublesome regarding potential side effects, but these two are safe and 100% natural. Just make sure to take only what is recommended.

Bottom Line: Both products are all-natural and safe to consume.

Instant Knockout: 8
Leanbean: 6


Instant Knockout Pros:

  • Uses proven fat burning ingredients – Cayenne, Glucomannan, Green Coffee
  • Energy Boost – Caffeine
  • Side-Effect FREE

Leanbean Pros:

  • Uses proven fat burning ingredients – Cayenne, Glucomannan, Green Coffee
  • Side-Effect FREE

Instant Knockout Cons:

  • Premium-priced – $59.00 (1 bottle) & $185.00 (3 bottles PLUS 1 free)
  • Can only be purchased from the official website.

Leanbean Cons:

  • Premium- priced – $59.00 (1 bottle)
  • Uses unproven ingredients

CONCLUSION – Instant Knockout vs Leanbean

This is definitely one of the closest head-to-head battles that we’ve had so far. However, there are a couple of things that the LeanBean just happened to miss out on. It’s good, but it doesn’t have the professional cut of the Instant Knockout.

As such, our winner is…?


-See our Full Instant Knockout Review-


-Visit Instant Knockouts Website-

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