3 Important Differences Between Benefiber And Metamucil

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If you are looking for fiber supplements to add more fiber to your diet you may have come across or read about several fiber Products. Benefiber and Metamucil are two of the very popular fiber supplements available.  Before we explain the differences between Benefiber and Metamucil let us first explain the similarities between them.

Metamucil and Benefiber are both soluble fiber which can dissolve in water. Metamucil and Benefiber are both bulk-forming laxatives.  They absorb water from your intestines to form softer, bulkier stools. Softer stool can flow move easily through your digestive system, which helps you have easier bowel movements.

Most common application for these supplements is constipation relief.  But these products are also used to treat conditions such as diarrhea and IBS (Irritable Bowel Syndrome).  Apart from these conditions, both these products help you cover the dietary fiber deficiency.

Dietary fiber has many other health benefits also such controlling and reversing obesity, keeping the blood sugar levels in control and helping in maintaining healthy heart condition.

As you can see they have quite a few similarities in functionalities.  Now let us see the differences between these two products.

Differences Between Benefiber and Metamucil

1. Fiber Content

Metamucil vs BenefiberMetamucil is a popular fiber product which contains Psyllium husk as the fiber source.  Psyllium is a soluble fiber which means it dissolves in water.  When you add Metamucil to water it absorbs water.

Benefiber is made from Wheat Dextrin.   Wheat Dextrin is produced from wheat starch using a chemical process.  It is also a soluble fiber and it dissolves in water but there is a major difference. When you dissolve Benefiber in water it will dissolve in water or liquid with any gel like suspension and you will not be able to know if anything has been mixed in the liquid.

2. Mineral Absorption

A study done on Wheat Dextrin the main ingredient of Benefiber, found that it does not inhibit the absorption of minerals such as Calcium and Magnesium.  This can be significant finding since many fiber supplements interfere with absorption of minerals and vitamins.

3. Difference due to Nature of Product

benefiber powder vs MetamucilMetamucil is better suited for constipation relief. Metamucil can also trap the carbohydrates better and acts like a sponge and absorbs cholesterol. It is also good for controlling blood sugar. Since it makes a thick paste, it also cleans the guts as it moves along the intestines. This will not be seen in fibers like Benefiber as they do not form any paste.

However there is one good benefit you can have with Benefiber.  Benefiber will not trap any medication or interfere with their functioning. So if you want to fulfill your dietary fiber requirements while on medications you can go for Benefiber.


For better health you would need both kinds of fibers in certain balance. Often you can get these fibers from food also, especially fruits and vegetables.  It is always better to have a proper mix of both kinds of fibers in your diet and have these products as supplements when your food is not able to fulfill you fiber needs.

Since both these product can absorb liquid it is better to be amply supplied with fluid.

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