Foods You CAN Eat (Low-Residue Foods)
These foods are low in fiber and easy to digest.
Protein
Lean beef, lamb, pork, veal, ham
Chicken or turkey
Fish or shellfish
Boiled or poached eggs
Tofu or soya
Carbohydrates
White rice
White pasta or noodles
Cornflakes or crisped rice cereal
White bread or toast
Potatoes without skin
Dairy
Milk
Cream
Cheese
Cottage cheese
Plain yoghurt
Custard
Vanilla ice cream
Plant-based milk or yoghurt
Snacks and Sweets
Rich tea biscuits
Plain biscuits
Rice crackers
Plain sponge cake
Boiled sweets
Clear jelly (not red)
Drinks
Water
Fizzy drinks
Fruit squash or cordial (not red/purple)
Clear fruit juice without pulp
Clear soups or stock
Tea or coffee
Herbal tea
Foods to AVOID (High-Fiber or Hard to Digest)
These foods leave residue in the bowel.
High-Fiber Foods
Lentils and pulses
Nuts or seeds
Brown rice or brown pasta
Bran cereals or porridge
Wholemeal or seeded bread
Fruits and Vegetables
Fresh fruit
Dried fruit
Canned fruit
All vegetables
Vegetable soups
Certain Starches
Potatoes with skins
Chips or fried potatoes
Other Foods
Crisps
Jam
Gravy granules (may contain fiber)
Red or Purple Foods/Drinks
These can look like blood during colonoscopy.
Avoid:
Red jelly
Red cordial
Blackcurrant juice
Red fruit juice
Alcohol
Usually avoided before the procedure.
Typical Colonoscopy Diet Timeline
Doctors usually recommend:
3–5 days before
Low-fiber diet
1 day before
Clear liquid diet only
Night before
Bowel preparation (laxative drink)