Whole Slow Juicer Review: Kuvings vs BioChef

Whole Slow Juicer Review: Kuvings vs BioChef

The most recent technological development in the world of juicers is the 'whole slow juicer', a types of masticating or cold press juicer which features a chute large enough to juice whole fruits and vegetables without the need for preparation.

Vitality 4 Life is always at the fore-front of developments to cold press juicers and have recently released the BioChef Atlas Whole Slow Juicer, which is set to outshine the Kuvings Whole Slow Juicer B6000 which has predominately held the share of the whole sow juicer market until now. But how do these two whole slow juicers compare? Let's put them to the test to find out!

As you can see from the video, while both machines work on the same premise of juicing whole fruits, the way they are designed to handle the produce is actually quite different. The end result being that the Kuvings has more pulp back-up inside the drum leading to a longer cleaning time, less juice and juicing requires more effort. Let's take a look at how both machines are designed and the advantages and disadvantages of both...

BioChef Atlas Whole Slow Juicer

BioChef Whole Slow Juicer Chute

According to BioChef, the Atlas Whole Slow Juicer was "user-developed and designed", this means that usability for the customer was of the utmost importance during design. The end result is a dual-flap system which gently guides the produce into the juicing mechanism, all that is required is for the user to do is drop the whole fruit into the chute and the dual-flap will do the work. With the BioChef Atlas Whole Slow Juicer there is no need to push down on a tamper to juice the ingredients.

The dual-flap also ensures the produce comes into contact with the juicing mechanism at the ideal angle for juicing the produce at the correct speed. There is no risk of over-feeding the juicer and causing a backup inside the drum (a common problem with vertical slow juicers). You can see in the video the produce is fed down the chute and then the specifically designed extended auger begins to masticate the produce piece by piece.

The less pulp backup inside the drum of a juicer means more of the fiber has been squeezed and extracted from the juice; the end result is more juice - exactly what you want! Juice is also a better consistency as fibrous pieces are not pushed through the juicer with force, they are properly juiced and extracted.

The BioChef has an additional chute for longer, thinner produce such as carrots which the dual-flap system restricts from juicing in the whole fruit chute.

BioChef - Quick Overview

  • Juicing is effortless
  • No backup = more juice
  • Smoother juice consistency
  • Less residue means cleaning time is faster

Kuvings Whole Slow Juicer B6000

Kuvings Whole Slow Juicer Chute

The Kuvings B6000 Juicer was the first whole slow juicer available on the market and as such it is only inevitable that subsequently there would be more superior juicers released. In the race to release the first whole slow juicer it seems that the design is more "factory led" than the BioChef. You can see this in the way it juices - produce is push down the singular chute, and then comes into contact with an internal plastic blade or cutter which sits about half way down the chute.

The user is then required to force the produce through this "cutter" down into the juicing mechanism. You can see the cutter in the image, the triangular blade which extends from one side of the chute. While Kuvings themselves don't make comments or explain the reasoning behind this cutter, it has been noted online that perhaps this is due to a safety regulation to limit little hands finding their way down into the auger.

The inclusion of the cutter not only makes juicing more difficult as the user has to force produce through it to juice, but also it means that produce is virtually forced into the juicing mechanism. It is this downwards force/pressure which results in overfeeding and less effective juice extraction.

Kuvings B6000 - Quick Overview

  • Cutter causes build up inside the drum
  • Cutter makes it harder to juice
  • Juice can be more pulpy
  • Comes with an additional rotating cleaning brush

What is the Best Whole Slow Juicer?

  • Juicing - In our test, the BioChef outperformed the Kuvings in terms of juicing; it managed to juice more effectively and produced more juice in the end due to less build up.
  • Cleaning - In our test, due to the build up of fiber inside the drum the BioChef could be "self-cleaned" and cleaned faster. However, the Kuvings does come with an additional rotational cleaning brush which if there was less fibre might help to clean the juicer.
  • Warranty - Kuvings: 20yrs on Motor / 5 Yrs on Parts & BioChef: Lifetime on Motor
  • Prices - Kuvings:€410 & Biochef: €349

Why Buy a Whole Slow Juicer?

  • Faster juicing time - the main reason most customers buy a whole slow juicer is they don't want to have to prep all their fruits and vegetables for juicing. A whole slow juicer will effectively eliminate this step, meaning a faster overall juicing time.
  • Preparing or cutting fruits and vegetables exposes them to oxidization. Oxidization is the result of nutrients beginning to break down so a whole slow juicer eliminates this risk.
  • Far superior than their centrifugal whole fruit counterparts - cold press juicers extract pure "living juice" with the nutrients and enzymes intact!

What to know more about the BioChef Atlas Whole Slow Juicer?


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