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Difference Between Metamucil and Fibercon

What is Metamucil and Fibercon

Metamucil is consumed as an everyday supplement to increase your fiber intake, whereas FiberCon can be taken occasionally only when you experience the problem of constipation. Both are over-the-counter supplements Over-the-counter supplements that help treat the problem of constipation. However, Metamucil not only treats constipation but also helps in reducing high cholesterol and aids in maintaining high blood sugar levels.


Both supplements are available OTC (over-the-counter) and can be used for several days at a time. Both supplements are recommended for adults and teens. Both Metamucil and Fibercon are used to relieve discomfort caused due to constipation.

Which one is better?

Metamucil (psyllium) is a natural fiber and is better in comparison to Fibercon as it is not very pricey and is very effective at relieving constipation within 12-72 hours unlike Fibercon which takes nearly 2 to 3 days to show its effects. Also, in addition to addressing the problem of constipation, Metamucil may also help in alleviating high cholesterol levels and aid in improving your diabetes (type 2 diabetes) by regulating your blood sugar levels.


It can be used as a supplement and can be consumed to increase the fiber intake. It is a water-soluble fiber supplement.

Metamucil offers 2 categories of fiber supplements to support a healthy gut: 1 with 100% psyllium fiber supplements and the other one is a prebiotic fiber (inulin fiber supplement).  


It can be used only when there is constipation. It is an Insoluble fiber supplement. Fibercon comprises of Calcium Polycarbophil is a natural fiber laxative (substance that you use to help you have a bowel movement) that is very safe to be taken during pregnancy. However, it is important that you take heaps of water along with it. 

Difference between Metamucil and Fibercon 



Metamucil (psyllium husk) is a bulk-forming fiber supplement without any chemical stimulants which is used to address the problem of irregular bowel or occasional constipation. However, it has other uses as well like it helps to reduce high cholesterol when used together with a meal less in cholesterol and saturated fat.


Fibercon aka Calcium Polycarbophil is a natural fiber laxative (occasionally treats constipation) that’s safe enough to consume during pregnancy. Fibercon provides relief from conditions like constipation and also aids in regular bowel movements. People can experience the effects of Fibercon 12–72 hours after consumption.

Fibercon comprises of calcium polycarbophil (CPC) as a main ingredient – a synthetic ingredient that serves as a bulk-forming laxative in the body. Calcium polycarbophil (CPC) absorbs water and passes through the body without getting digested, thereby softening the stools.



Metamucil contains;

  • aspartame
  • Soluble fiber from psyllium husk
  • citric acid
  • maltodextrin
  • yellow 6


Fibercon comprises of;

  • Microcrystalline cellulose
  • Silicon dioxide
  • Caramel
  • Hypromellose
  • Magnesium stearate
  • Polyethylene glycol
  • Crospovidone
  • Sodium lauryl sulfate



  • Good for digestive health
  • Good for heart health as it lowers high cholesterol
  • Helps in maintaining healthy blood sugar levels
  • Enhances feelings of fullness (As the psyllium fiber powder thickens, it forms a gel that helps you feel fuller)
  • Helps in appetite control
  • Help reduce hunger
  • Aids in weight loss
  • Helps maintain digestive regularity and supports digestive health


  • Treats constipation
  • Increases the bulk in the stool, that aids to cause the movement of the intestines
  • Increases the quantity of stool water, thereby making the stool softer and convenient to pass through



Gas, stomach cramps and severe pain, shortness of breath, chest pain or skin rashes or constipation that lasts longer than 7 days


Heartburn, chest pain, belly cramps, vomiting, or rectal bleeding. 

Dosage forms


Pill, capsules, wafers and powder


Pill or capsule

Risks and risk factors



Bowel blockage

  • Age sixty or older
  • Cancerous capacity
  • Other medical complications that cause blockage or narrowing of bowel
  • Consuming medications that cause constipation


The points of difference between Metamucil and Fibercon have been summarized as below:

Metamucil VS Fibercon

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References :

[0]McRorie Jr, J. W. (2015). Evidence-based approach to fiber supplements and clinically meaningful health benefits, part 1: what to look for and how to recommend an effective fiber therapy. Nutrition today, 50(2), 82.

[1]Muir, J. (2019). An overview of fiber and fiber supplements for irritable bowel syndrome. Gastroenterology & hepatology, 15(7), 387.

[2]Terrie, Y. C. (2008). Fiber Supplements. Pharmacy Times, 2008-12.

[3]Xing, J. H., & Soffer, E. E. (2001). Adverse effects of laxatives. Diseases of the colon & rectum, 44(8), 1201-1209.

[4]Image credit: https://images.freshop.com/00300052500863/2be4d49e7bf0cc3d73d50e4ecea213c6_large.png

[5]Image credit: https://static.openfoodfacts.org/images/products/003/700/096/3691/front_en.4.full.jpg

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