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University of California San Francisco
Patient Education

Fiber Supplements

Related Conditions
Constipation

A high-fiber diet will help you have soft, regular bowel movements. Having a bowel movement when your body gives you an urge to go is the best time to have a bowel movement. This will minimize problems with hemorrhoids, fissures, itching and other common colon, rectal and anal problems.

A diet high in fiber has about 25 to 30 grams of fiber per day. The information below will help you understand how to get that amount of fiber in your diet with supplements.

For information on getting more fiber through food, please see Increasing Fiber Intake.

Precautions

  • Do not take if you have a narrowing in your esophagus or in your intestines
  • If you are a diabetic, avoid the preparations with sugar
  • If you need to watch your sodium intake, avoid the psyllium preparation
  • If you are taking Tetracycline, avoid the polycarbophils
  • If you have phenylketonuria, avoid the preparations with Aspartame
  • If you are taking Coumadin, avoid the preparations with psyllium

Types of supplements

Citrucel

  • Dose. One tablespoon 1 to 3 times daily.
  • Available forms. Orange flavored, sugar-free
  • Form of fiber. Methylcellulose, powder equals 2 grams per tablespoon
Continue reading

Fiberall

  • Dose. One tablespoon equals 2 grams soluble fiber and 1.5 grams of insoluble fiber.
  • Available forms. Flavors include orange and tropical fruit as well as sugar-free.

FiberCon Caplets

  • Dose. One caplet equals 500 mg of polycarbophil. Take 1 to 4 caplets a day.

Hydrocil Instant

  • Dose. One teaspoon equals 3.5 grams of psyllium
  • Form of fiber. Psyllium

Konsyl

  • Dose. One teaspoon equals 6 grams of psyllium.
  • Form of fiber. Psyllium

Metamucil

  • Dose. One teaspoon or one wafer equals 3 grams of insoluble fiber and 2 grams of soluble fiber. Take up to three times a day.
  • Available forms. Flavored or non-flavored, sweetened or artificially sweetened, regular or smooth. It comes in wafers, including apple crisp and cinnamon spice.
  • Form of fiber. Psyllium

Perdiem

  • Dose. One teaspoon equals 4 grams of psyllium. Take up to 1 to 2 teaspoons four times a day.
  • Available forms. Mint flavored
  • Form of fiber. Psyllium (stimulant)

UniFiber

  • Dose. One tablespoon equals 3 grams of cellulose.
  • Form of fiber. Cellulose

UCSF Health medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.

Recommended reading

After Anal and Rectal Surgery

Learn everything you need to know about healthy recovery following Anal and Rectal Surgery including pain relief, caring for the surgery site and more.

Anal Fissures

Anal fissures are cracks or tears in the skin around the anus, causing burning and sharp pain when you have a bowel movement. Find treatment options here.

Fiber and Lactose

Fiber and lactose are two common food substances that can cause problems with diarrhea. Learn more about fiber and lactose in your diet here.

Hemorrhoids

Hemorrhoids are part of the normal anatomy of the anus and lower rectum. They act as cushions to protect the anal skin from the passage of stool. Learn more.

Increasing Fiber Intake

A high-fiber diet reduces the risk of developing various diseases and is important for the health of the digestive system and lowering cholesterol. Learn more.

Related clinics

Center for Colorectal Surgery

Bakar Precision Cancer Medicine Building

See both of our San Francisco locations and learn about the center.

(415) 885-3606

Gastroenterology at Mount Zion

1701 Divisadero St., Suite 120
San Francisco, CA 94115

(415) 502-4444
M-F, 9 a.m. - 4:30 p.m.
Did you know?

Cutting-edge techniques for mapping the human brain – developed by UCSF neurologists – help us locate language, motor and sensory functions and make surgery safer, more precise and less invasive. Brain mapping may one day lead to therapies for restoring healthy brain circuitry in patients with epilepsy, depression, stroke and other conditions.

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