A Guide to Smart Eating for Gastrointestinal Health

BY COURTNEY MORRISSEY MS, RDN, LD

Constipation

Fiber and fluids can help alleviate constipation and bloating. It is important to increase fiber intake gradually over a few weeks to prevent worsening symptoms.

Tips for Adding Fiber to Your Diet:

  • Increase fiber intake slowly by no more than 5 grams per day until you reach a goal of 25 to 35 grams per day.
  • Choose whole grain breads and cereals with 100% whole wheat, rye, oats, or bran as the first or second ingredient.
  • Enjoy a variety of grains such as brown rice, wild rice, barley, oats, farro, and quinoa. Potatoes with the skin are also beneficial.
  • Use whole wheat flour instead of white or all-purpose flour when baking.
  • Include beans regularly for added fiber and protein.
  • Choose fresh fruits and vegetables with the peel/skin instead of juice.
  • Drink plenty of fluids—at least 8 cups per day. More fluids may be necessary with higher fiber intake.

Recommended Foods:

Grains: 1 mini bagel, 1 slice whole wheat/pumpernickel/rye bread, 2-inch square cornbread, 4 whole wheat crackers, 1 bran/blueberry/cornmeal/English muffin, 2 tablespoons bran/rice/wheat cereal, 2 tablespoons wheat germ, 1 cup popped popcorn.

Vegetables: ½ cup raw bean sprouts, ½ cup canned beets, ½ cup cooked broccoli, Brussels sprouts, cabbage, carrots, cauliflower, corn, eggplant, okra, potatoes/sweet potatoes/yams, spinach, kale, turnip greens, winter or summer squash, zucchini, canned tomatoes.

Fruits: 1 baseball-sized apple or ½ cup applesauce, ½ cup canned apricots, 1 banana, ½ cup canned or fresh cherries, 3 dates, 2 medium fresh figs, ½ cup canned fruit cocktail, ½ grapefruit, 1 kiwi, 1 baseball-sized orange, 1 fresh peach or ½ cup canned peaches, 1 fresh pear or ½ cup canned pears, 1 plum (2-inch), ¼ cup raisins, ½ cup fresh strawberries, 1 tangerine.

Fats: 2 tablespoons of almonds or peanuts.

Diarrhea 

Limit foods and beverages that contain sugar, lactose (e.g., milk, yogurt, dairy), fructose, high-fructose corn syrup, and sorbitol. Avoid caffeine and eat small meals or snacks every 3 to 4 hours. Avoid spicy foods if they worsen symptoms.

Recommended Foods:

Dairy: Buttermilk, evaporated skim/low-fat milk, soy milk, yogurt with live active cultures, powdered milk, low-fat and aged cheeses. If lactose intolerant, use lactose-free products and avoid yogurt with nuts or dried fruit.

Grains: Bread, bagels, rolls, crackers, pasta made from white or refined flour, white rice, cream of wheat, refined cereals (e.g., puffed rice, cornflakes) without added fiber. Choose grain foods with less than 2 grams of fiber per serving (check the Nutrition Facts label).

Fruits and Vegetables: Fruit juice without pulp, ripe bananas, melons, canned soft fruits, well-cooked vegetables without seeds/skins, potatoes without skin, lettuce, strained vegetable juice.

Protein: Tender, well-cooked meat, pork, poultry, fish, eggs, soy foods made without added fat, smooth nut butters (if tolerated).

Fats: Include oil, butter, cream, cream cheese, margarine, mayonnaise, and salad dressings.

Heartburn/Reflux

  • Exercise at least 3-4 times per week.
  • Wear loose-fitting clothing.
  • Avoid smoking.
  • Elevate the head of your bed by 6 to 9 inches using a foam wedge (stacking pillows is not effective).
  • Wait at least 3 hours after eating before lying down.
  • Eat small meals every 3 hours.
  • Eat in a calm, relaxed environment and sit while eating.
  • Go for a walk 20-30 minutes after meals to aid digestion.

Foods to Avoid:

  • Peppermint, spearmint, and their teas.
  • Chocolate.
  • Alcohol.
  • Caffeinated beverages (e.g., regular tea, coffee, cola, energy drinks).
  • Decaffeinated coffee and tea.
  • Pepper.
  • High-fat foods: whole milk, cream, high-fat cheeses, high-fat yogurt, chocolate milk, cocoa, fried meats, bacon, sausage, processed meats (pepperoni, salami, bologna, hot dogs), deep-fried foods, pastries.
  • Large amounts of nuts and nut butters.
  • More than 8 teaspoons of oil, butter, or shortening per day.
  • Any fruits or vegetables that trigger symptoms (varies by individual).

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