Dosage for Fibers- Metamucil, Citrucel, Benefiber and Fibercon

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Metamucil, Citrucel, Benefiber and Fibercon- all these are names of laxative product brands. Metamucil and Benefiber are all derived from dietary fiber, Citrucel comes from methyl cellulose and Fibercon is a derivative of polycarbophyl. These products are used for a range of conditions. Knowing the proper dosage for them is important, because both under dose and overdose of any of these may draw drastic results.

The dosage for all four types of products is more or less same. What differs is the patient’s age. When treating children, you should talk to a doctor first.


When you are using Metamucil powder as laxative, mix one round spoon in 8 ounces of liquid up to three times daily for Powdered Drink Mixes and Capsules. It can be taken up to three times daily if needed, with doctor’s advice of course. For children from 6 to 11 years, take 1/2 of adult dose in 8 oz of liquid. When using Metamucil as a fiber supplement, mix one same dose with 8 ounces of liquid. Take capsules and wafers with same amount of liquid. Water, fruit juice, lemonade, iced tea- any cold liquid will do. Avoid the hot drinks. Metamucil comes in other varieties-

Capsules/Capsules Plus Calcium- 2 to 6 Capsules daily

Orange Smooth/ Orange Coarse- 1 Tablespoon daily

Sugar Free Orange/Original/Berry/Pink Lemonade Smooth- 1 Teaspoon thrice

Original Course- 1 Teaspoon thrice

Apple Crisp/Cinnamon Spice Wafers- 2 Wafers thrice


Fibercon: It comes in caplets only. For adults and children over 12 years of age and over, dose is 2 caplets once up to 4 times a day. Make sure that you drink at least a large glass of water with it. It is advisable to first consult a doctor for your child’s treatment.


Citrucel: Take Citrucel just like Metamucil. One round teaspoonful in a glass of liquid, or two caplets with liquid up to three times per day. It comes in

Powder- Normal and Sugar Free Orange Mix with SmartFiber

Caplet- Available in 100-, 164- and 220-count bottles


Benefiber comes in different varieties like Metamucil. It can be taken up to three times daily in case of adults. Seek medical advice for children. All of these varieties are gluten-free.

Sugar-free Original/Orange Powder- 2 teaspoons thrice

Powder Plus Calcium- 1 level tablespoonful. Do not exceed one serving daily.

Sugar-free Heart Health Powder- 2 teaspoons thrice

Sugar-free Orange/Assorted Fruit/Plus Calcium Crème Chewables- 3 tablets thrice

Caplets/Caplets Plus Heart- 3 caplets thrice. Do not exceed 9 caplets per day.

Follow the directions by your doctor, pharmacist, or the product information.

Swallow the capsules one at a time.

Some General Instruction

Since these medications can affect absorption of other medications, do not take 2 hours before or after taking other meds.

People who experience bloating when they start this medication should reduce the amount they are taking and gradually increase their dose to what is recommended.

If you miss a dose, take it as soon as possible. If it is almost time for your next dose, skip it and continue with your regular dosing schedule. Never take a double dose to make up for a missed one.

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