High Fiber Diet
What is fiber?
Fiber is part of food that is resistant to digestion and absorption. Fiber helps prevent constipation
by providing bulk in the diet and may be helpful in preventing many gastrointestinal conditions.
Why is fiber important to include in your diet?
Fiber can absorb up to 30 times its own weight in water. The body doesn’t actually absorb fiber.
It adds bulk and texture to the stool as it passes through the body, keeping your system regular.
Because of this we recommend fiber for the treatment or prevention of many digestive tract
problems, including hemorrhoids, diverticular disease, irritable bowel syndrome, and cancer.
Fiber keeps your stools from becoming either too loose, or dry and hard. If you suffer from
diarrhea, fiber may “slow you down.” If you have difficulty with constipation, fiber may “speed
you up.” It may actually “normalize” bowel activity.
What are good sources of fiber?
Dietary:
•
Whole grains and breads
•
Beans and peas
•
Nuts and seeds
•
Vegetables and fruits, especially those with skins and seeds
Additives:
Psyllium, Methylcellulose, or Polycarbophil (as in Benefiber, Citrucel, Fibercon, Hydrocil,
Konsyl, Metamucil)
How should fiber be added to the diet?
Add fiber to your diet slowly to prevent feeling “bloated” and “gassy”.
Choose the following more often:
•
Whole grains breakfast cereals - see next page
•
Whole wheat bread and other products made with whole wheat flour, such as whole grain
crackers and whole grain pasta
•
A variety of vegetables, such as carrots, broccoli, cauliflower, brussels sprouts, cabbage,
potatoes, celery, green beans, yams, squash and greens
•
Beans and spilt peas
•
Nuts, seeds and popcorn
•
A variety of fruit, such as apples, bananas, grapefruit, oranges, peaches, pineapple and
plums
•
Unfiltered fruit and vegetable juices
•
Whole wheat bread and other products made with whole wheat flour, such as whole grain
crackers and whole grain pasta
Breakfast Lunch Dinner
Citrus Fruit or Juice - ½ Soup Meat, Poultry or Fish
cup Meat or Meat Substitute Potato or brown rice-
High fiber Cereal -½ - 1
Vegetables -1-2 servings ½ cup
cup Raw Vegetables salad Vegetable- 2 serving
Whole Grain Toast - 1 Whole Grain Bread - 1-2- slices Salad
Slice Fruit - ½ cup Fresh Fruit- ½ cup
Butter or Margarine - 1 Milk - 1 cup Beverage
teaspoon
Milk - 1 cup
High Fiber Cereal: a great way to start – look at the following fiber content and compare with
Cheerios – 1 cup = 2 grams fiber. Fiber One ½ cup = 14 grams; Kellogg’s 100% Bran ½ cup =
13 grams; Kashi 1 cup = 12 grams; Post 100% Bran 1/3 cup = 9 grams; Post Raisin Bran 1 cup =
8 grams. Oatmeal 1 cup = 8 grams.
If you are lactose intolerant and cannot drink milk, try “rice milk”, soymilk, or lactaid pills.
Vegetables: Portion Grams Fiber Fruit:Portion Grams FiberBeans (kidney) ½ cup 5.5 Apple Small 2.8
Beans (lima) ½ cup 4.4 Banana Medium 2.0
Bread-wheat Slice 2.0 Orange Small 3.0
Broccoli ¾ cup 5.0 Peach Medium 2.0
Carrots (raw) 4 sticks 1.7 Watermelon Thin slice 2.8
Green Beans ½ cup 2.1
Green Peas ½ cup 3.0 Note that vegetables have more fiber and usually
produce less gas since fruit has fructose sugar in
Corn Small 3.0
it. Taking Beano capsules until the body is used
Potato Small 4.2
Rice (brown) ½ cup 5.5
to them may reduce gas from vegetables.
Fiber supplements: one dose of powder forms of supplements supply 3-5 grams of fiber. Six pills
supply 2.4 grams of fiber. There are 3 basic types:
• Psyllium such as Metamucil is a plant material works by breaking down in the gut and
becoming a food source for the “good bacteria” there. Psyllium does contain calories and
may cause gas.
• Methylcellulose such as Citrucel is a fiber that is non-allergenic, non-fermentable and is
created from the cell wall of plants.
• Polycarbophil such as Fibercon is created from plants and is not absorbed by the body. It
absorbs water in the intestinal tract and creates a bulkier and softer stool. Polycarbophil is
less likely to cause bloating. All three can be used long term.
There is no question that adequate fiber is necessary for good health. Consumption of 20 to 40
grams of fiber per day is possible from food sources alone. However, it is recognized that in the
U.S. the average fiber intake is less than 15 grams per day. In light of average intake, fiber
supplements are often recommended.
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