psyllium fiber

Psyllium seeds (also known as blond psyllium or ispaghula) are derived from a species of plantain that is native to India and Iran. The seeds are small and reddish-brown, with no distinctive aroma and almost no flavor. They absorb water and become surrounded with mucilage that has excellent emulsifying power and is prized as a laxative.

Active Ingredients:

The main constituent of psyllium seed is dietary fiber. Although the majority of it is insoluble, there is also a fair bit of soluble fiber in the mucilage. This is mostly polysaccharides. The seeds also contain proteins, other carbohydrates, oil, sterol, and some flavonoids, but the soluble fiber is primarily responsible for its therapeutic action.

Uses:

Psyllium is a bulk laxative. The powdered seeds are taken with ample water, and once in the intestine they swell. This “bulk” encourages defecation, and the mucilage tends to soften the stool and make it easier to pass.

This herb is frequently recommended for the treatment of constipation and is even approved as an over-the-counter drug in the United States under brand names such as Fiberall, Konsyl, Metamucil, Modane Bulk, or Serutan.

In addition to its value for treating chronic constipation, it can be useful in treating diarrhea. In one study, symptoms of irritable bowel syndrome improved with psyllium administration. Diarrhea following gallbladder surgery has also been successfully treated with psyllium seed.

Psyllium preparations can reduce pain and bleeding from hemorrhoids.

It has also been used to reduce high levels of cholesterol and triglycerides. In an eight-week trial, total cholesterol decreased by 14 percent and undesirable LDL cholesterol by 20 percent. In studies lasting more than two months, triglycerides came down to just over half the baseline levels. Psyllium seed is not universally effective in lowering cholesterol, however: twenty children with high cholesterol levels failed to respond, so familial cholesterol conditions may be less amenable to psyllium treatment.

Psyllium seed is also reported to slow the absorption of dietary sugar. This may be beneficial in diabetes, although it is a subtle effect. Better blood sugar control in people with type 2 diabetes has been well established.

Dose:

The usual adult dose is 7 g of psyllium seed preparation up to three times a day to a maximum of 30 g per day. It must be taken with at least 8 ounces of water each dose.

Paradoxically, the dose for diarrhea can range even higher to a maximum of 40 g daily.

Children from six to twelve years old are treated with half the adult dose.

It may take two or three days to produce the desired effects. Unlike other laxatives, psyllium seed may be used as long as needed without fear of dependence.

Special Precautions:

Children under six years old should take psyllium seed or psyllium preparations only under medical supervision.

Psyllium seed is not appropriate for anyone with intestinal blockage.

People allergic to psyllium must avoid it.

Constipation or diarrhea that persists for several days deserves medical attention.

Adverse Effects:

The indigestible fiber in psyllium seed can cause flatulence and abdominal discomfort.

Psyllium seed powder can provoke allergies and has caused rare instances of anaphylactic shock.

If psyllium seed is not taken with adequate water, it can clump together in a mass and block the digestive tract. Sufficient fluid is crucial to the safe and successful use of psyllium seed.

Possible Interactions:

Psyllium seed may interfere with the absorption of nutrients such as iron, calcium, zinc, or vitamin B12 if it is taken at with meals or with vitamin supplements.

The fiber can also affect the absorption of other medications, including Coumadin, Lanoxin, lithium, or Tegretol. To avoid such problems, it should be taken at least an hour after other medicines.

If psyllium seed reduces or significantly slows the absorption of dietary carbohydrates, the dose of insulin for insulin-dependent diabetics may require adjustment. Please discuss this with your physician.

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  1. Tony
    Reply

    What are the references for the statement: “Psyllium seed may interfere with the absorption of nutrients such as iron, calcium, zinc, or vitamin B12 if it is taken at with meals or with vitamin supplements.”

  2. Susan
    CA
    Reply

    Help! Trader Joe’s no longer carries Secret of the Psyllium. I have diverticulitis and it was a miracle for me. Where else and where can I get a replacement product? I am truly suffering.

    Thank you, Susan.

  3. Jocelyn
    Pasadena, CA
    Reply

    I discovered psyllium for diarrhea when my dog’s vet suggested it for her. Since I suffer from IBS with diarrhea, I decided to try it and it works well for me. I eat a lot of fruit which gives me IBS but as a lifelong fruit lover I have found it too difficult to give it up. Now I precede or follow the fruit with a glass of psyllium seed powder in water. At first it was very unpalatable because psyllium seed is tasteless, mucilaginous and tends towards lumpiness. But I found that if I slowly pour fizzy water into the powder while stirring briskly, the bubbles break up the lumps and I get a much better solution. Then I top off my 8 oz of water with about 2 oz of fruit juice to give it a nice flavor. Then I drink it immediately so it doesn’t have time to thicken up too much.

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