Can glycemicindex.com tell me whether a food suits my white diet and my diabetes?
Not on its own. glycemicindex.com is the University of Sydney GI database, and it gives GI values for individual tested foods, not recipes. Diabetes Australia explains what those numbers mean. No Australian database tells you, in one number, whether a food is low residue. If you have diabetes, look the food up, then check it against your own plan and your team.
- glycemicindex.com/Gi-Search: food-by-food GI lookup
- University of Sydney GI database: source of the tested GI values
- Diabetes Australia: explains what GI numbers mean
Why isn't total dietary fibre enough to tell whether a food is low residue?
Because residue isn't that number. The Australian Food Composition Database reports total dietary fibre, but skins, seeds, gristle, and how the food is cooked aren't in a fibre gram. So there's no Australian database that will tell you, in one number, whether a food is low residue.
Does the way a food is cooked affect its residue, even if the fibre grams are low?
A fibre gram doesn't capture it. Skins, seeds, gristle, and how the food is cooked aren't in that number, so a low fibre number on its own doesn't tell you a food is low residue.
The section Why is residue not the same as fibre? above explains that residue includes more than fibre numbers capture.
- Why is residue not the same as fibre?: residue includes skins, seeds, gristle, not just fibre grams
What does 'can chew without teeth' mean in the days before a colonoscopy?
If you could chew it and swallow it without teeth, it's probably fine. Think soft, no skins, no seeds, nothing you have to chew hard. The no-teeth line is a rule of thumb, not a substitute for your doctor or clinic.
Why do clinics disagree on what's allowed on a white diet before a colonoscopy?
Because low-residue and white-diet lists are written by different hospitals, in different years, for different scopes. Vegetarian and vegan versions disagree with each other too. A food isn't "banned everywhere" because one PDF says so, and it isn't safe everywhere because another PDF allows it. This is generic advice and does not override any specific instructions from your doctor or clinic.
- Clinic sheets: written by different hospitals, in different years, for different scopes
- Residue: not the same as a fibre gram
- No-teeth line: a rule of thumb, not a substitute for your doctor or clinic
What is the white diet, and what foods does it typically include?
A white diet is often white bread, white rice, and other foods that are easy on the bowel and not always easy on blood glucose. Clinic sheets don't all describe it the same way. This is generic advice and does not override any specific instructions from your doctor or clinic.