GlycoLEAN Fiber Slim Review

Editor's Review: 3.0 / 5.0

What You Should Know

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GlycoLEAN Fiber Slim is manufactured by Mannatech. It is a fiber supplement that can be purchased on its own, or as part of the GlycoLEAN Boy System. It claims that it may help you lose weight, and that it will definitely improve your digestive health.


Glucomannan, Xanathan Gum, Guar Gum.

Product Features

Glucomannan is a dietary fiber. It is commonly used by vegetarians to compensate for animal products in their diet. It forms a gel when combined with water which will fool the stomach into feeling more full than it really is. Therefore, it has been marketed as a treatment for obesity and constipation. It will aid obesity by keeping nutrients in the system longer, and promoting the fullness feeling. It will aid in constipation by working with the body to move fecal matter through it quicker.

Xanathan Gum is a polysaccharide. It is produced by fermentation of carbohydrates by a bacterium, commonly used in prepared foods and pharmaceuticals as a thickening and suspension agent. Guar Gum is a water-soluble fiber. In the body it acts as a bulk-forming laxative which improves regularity and helps to remove toxins from the body. It speeds the removal of waste and bacteria from the bowel and colon which helps to promote colon health.

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  • The ingredients are scientifically supported to accomplish what the product says it will do.


  • A 15 day supply costs $40. That’s $80 a month!
  • FiberSlim has to be purchased through an “associate.”
  • There are no customer testimonials.
  • There is no money back or satisfaction guarantee.


While the FiberSlim product will help you if your diet is lacking in fiber, it will not replace the benefits of real fiber from natural food sources. Fiber is an important part of any diet as it will help keep the digestive system healthy, and create a full feeling in the stomach. If you are looking for a weight loss supplement, this is probably not for you, because though fiber does work as a mild appetite suppressant but will not work as a more powerful one in other supplements. Make sure you include any supplement in your routine after first talking to your doctor, and always combine it with a healthy diet and exercise routine. If you need a fiber supplement, you should keep looking for other supplements that contain ingredients like these, but for a lesser cost.

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