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Glucomannan (Konjac)


Contributes to weight loss
Contributes to maintenance of cholesterol
Improves gut health
  • VVegetarian
  • VGVegan
  • GMGM Free
  • GGluten Free
  • DDairy Free
  • LLactose Free
  • SSoya Free
Customer rating
Based on 8 reviews

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Regular Price: £6.49

Special Price: £5.19

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Customer Reviews | 9/10 Excellent

6081 reviews of BULK POWDERS™


What is Glucomannan (Konjac)?

Glucomannan from BULK POWDERS™ is the highest quality powder derived exclusively from the Konjac plant.

Glucomannan (Konjac) is a form of water soluble fibre, which has been shown in research to contribute to weight loss. Glucomannan increases the feeling of fullness (satiety) and thus helps prevent unnecessary snacking by keeping you feeling fuller for longer. Amongst other things, Glucomannan has also been shown to contribute to the maintenance of normal blood cholesterol levels and improve gut and bowel health.

Where is Glucomannan (Konjac) found?

Glucomannan is sourced from the rhizomes of the Amorphophalli Konjac plant, generally found in South-East Asia. As a food source you may find it in things like shirataki noodles. It is also used in gelatinous products due to its ability to take on the flavour of whatever it is cooked or marinated in.

You may be familiar with the wave of new "zero calorie" weight loss noodle/pasta/rice products? These use Glucomannan as the primary ingredient!

Glucomannan is also referred to as:

Konjac, Amorphophalli Konjac, Konjac Root, Konjac Fibre, Glucomannan Flour.

Glucomannan and weight loss

Essentialy Gliucomannan is highly absorbent and draws in liquid, causing expansion. In terms of supplementing with Glucomannan Powder; the powder will absorb water, causing it to expand in the stomach. This results in a feeling of fullness (satiety) and in turn helps to stave off cravings and unnecessary eating. If you are dieting or looking to lose weight, this can be very beneficial.

In one study, users of Glucomannan dropped an additional 0.8kg (1.8lbs) over 5 weeks in comparison to the control group who were not supplementing with Glucomannan.

Performance Benefits

Glucomannan (Konjac) has no direct performance benefits, as it primarily used for weight loss. However, for sports people, a reduction in body fat can increase power to weight ratio.

Health Benefits

Glucomannan (Konjac) contributes to weight loss and is often used to increase the feeling of satiety/fullness.  

Glucomannan (Konjac) contributes to maintenance of normal blood cholesterol levels. 

Glucomannan (Konjac) increases levels of healthy bacteria (such as bifidobacteria and lactobacilli) improving gut and bowel health.

Glucomannan (Konjac) Powder Ingredients

100% Glucomannan (Konjac) Powder. 

Glucomannan (Konjac) Nutrition Information

Per 1.5g Serving:

Energy kJ/Kcal 1.87/0.45, Carbohydrate 0.07g, Protein 0g, Fat 0g, Fibre 1.33g.

Per 100g

Energy kJ/Kcal 30/125, Carbohydrate 4.5g, Protein 0g, Fat 0g, Fibre 90g.

Suitable For

Vegetarians & Vegans.




Mix 2 scoops (approximately 1.5g) with breakfast, lunch & dinner. Consume with adequate water. Not suitable for people with swallowing difficulties. 

Warning: Glucomannan (Konjac) Powder should be taken with plenty of water, to ensure it reaches the stomach. 


As a dieting and weight loss aid, Glucomannan can be used in conjunction with any other Fat Loss Supplements. Particularly of note would be products such as Green Coffee and Coconut Oil.

Customer Reviews

Works well, but needs better Instructions
I put the stated dose into a pint of water and it turned to lumpy wallpaper paste.

Luckily I had a blender which smoothed it out. Taste with just water is a bit odd so add half a lemon/lime juice or sugar free cordial and some ice cubes.

Overall, happy. On 26/01/2015 Dil said...
I've only used it twice so far, but the results were good. Mix it together with whey protein, blend in water, leave it to set and turn solid and you get a very low carb protein pudding. Much better than xanthan. Solid but not slimey.

Good stuff. On 25/11/2014 Goran said...
Absolutely fantastic. I have been using Xanthan Gum which is very good at thickening and is more instant than the Konjac but it does have that jelly like texture. Konjac on the other hand does need to be left to set but then it sets solid (unlike the Xanthan gum) and it turns a protein shake or Juice plus etc into the most yummy pud which fills me up more than drinking a shake. It is a lot more expensive but if you add 75% Konjac and 25% Xanthan Gum then it keeps the costs down. Really good stuff, and no taste and hardly any calories. Just about to order another bigger bag :) On 24/08/2014 Zoe said...
Great Stuff
Just started to use this and already notice I'm not feeling hungry. Will see how I progress. On 26/06/2014 Claire said...
This stuff is incredible, it thickens soups, desserts, protein shakes, porridge, just blend with water or milk etc......... and has no carbs or calories what more could you ask for well done Bulk Powders! On 28/12/2013 Emma said...
This really works...
Was a little dubious about this stuff as almost seemed to good to be true. If you're the same then all I can say is "give it a go". It removes my hunger pains and stops me from snacking on things that I shouldn't when at work. This alone is helping me lose weight. Using with Complete Thermogenic and the weight is dropping off. Of course I'm hitting the gym hard too :) On 10/11/2013 Mike J said...
Excellent stuff
Well recommended to anyone, like me, who has a very sweet tooth and un-does all their good work in the gym by indulging!

This comes as a slightly granulated white powder and has a very subtle odour to it - think krill oil capsules mixed with....sherbet!! I mix slightly less than 1/4 teaspoon with 200ml water and gulp it down about half an hour before meals. It has a slight chemically aftertaste (when taken like this), not entirely pleasant but certainly nothing to make you gag. When mixed with water, the mixture become thickened, but nowhere near gunge-y or slimy like other products.

I tried mixing it with my protein shake but the resultant texture was not to my liking. however, the results of taking this were! It really does make you feel 'satisfied' and inclined to eat less.....without making you lose your appetite (like hoodia does, to me anyway) or making you bloated/experiencing 'digestive issues'.

A good way to regulate your calorie intake and stop you snacking at work!! On 12/08/2013 Dia said...
Better than Xanthan gum
Brilliant ingrediant for making low carb protein puddings and it has all the diet benefits of fibre as well! This is what they make zero-calorie noodles out of.

I mixed a couple of grams in with my protein, blended and it made a protein pudding with the same consistency of those chocolate/vanilla puddings ou can buy in the chilled isle of the supermarket. It does not have the slimy texture that Xanthan gum can have.

Powder was odourless, tasteless and mixed well. On 08/08/2013 Helen said...

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