Colonoscopy Prep Diet: Low-Fiber Foods to Eat and Avoid Before Procedure

Low-Fiber / Low-Residue Diet (Typically 3–5 Days Pre-Colonoscopy)

Goal: minimize colonic residue for optimal visualization.

Allowed (Low-Fiber)

• Grains: White bread, white rice, plain pasta, refined cereals (Corn Flakes, Rice Krispies), crackers (saltines), pancakes/waffles (white flour).
• Protein: Tender meats, poultry, fish, eggs, tofu, smooth nut butters.
• Dairy: Milk, yogurt (no fruit/nuts), cheese, cottage cheese.
• Fruits: Ripe banana, melon, canned fruit (no skin/seeds), applesauce, fruit juice **without pulp**.
• Vegetables: Well-cooked, peeled, seeded: carrots, green beans, potatoes (no skin), squash, tomato sauce. NO raw veg, salad, corn, broccoli, cauliflower, beans, peas.
• Fats: Butter, oils, smooth sauces.
• Sweets: Plain cookies, cake, gelatin, ice cream, popsicles, honey, sugar.

Avoid (High-Fiber / Residue)

• Whole grains (whole wheat, bran, oats, brown rice, quinoa, popcorn).
• Raw vegetables, salads, vegetable skins/seeds.
• Dried fruit, berries, figs, prunes, coconut.
• Nuts, seeds, chunky nut butters.
• Legumes (beans, lentils, chickpeas).
• Tough meats with gristle.

Clear Liquid Day (Day Before)

• Water, clear broth, clear juice (apple, white grape), tea/coffee (no creamer), sports drinks, gelatin, popsicles (no fruit/cream), soda.
• **NO red/purple liquids** (mimic blood).

Bowel Prep Medication

Follow your doctor's specific split-dose regimen (PEG, NaP, SUTAB, etc.). Adherence is the #1 factor in prep quality.

Confirm exact timeline with your endoscopy unit. Inadequate prep = missed lesions = repeat procedure.