16/04/2026
Resistant Carbohydrates: A Simple Way to Support Blood Sugar and Gut Health
Most people think of potatoes, rice, and pasta as foods that spike blood sugar. But with one simple trick, these everyday carbohydrates can become much more blood sugar-friendly and gut supportive.
The secret? Turning them into resistant starch.
What Is Resistant Starch?
Resistant starch is a type of carbohydrate that ‘resists’ digestion in the small intestine. Instead of being broken down quickly into glucose, it travels to the large intestine where it acts more like fibre.
There, it feeds beneficial gut bacteria and produces short-chain fatty acids such as butyrate, which support:
gut lining health
reduced inflammation
bowel regularity
immune function
How to Turn Potatoes, Rice and Pasta into Resistant Starch
When starchy foods are cooked and then cooled, part of their digestible starch changes structure in a process called retrogradation.
This creates resistant starch.
Simple method:
Cook your potatoes, rice or pasta as normal.
Allow them to cool fully (ideally in the fridge for 8–12 hours).
Eat them cold, or reheat gently.
Good examples:
boiled baby potatoes cooled overnight for potato salad
cooked basmati rice chilled and used in a stir fry the next day
pasta salad made in advance
leftover pasta reheated gently
Does Reheating Remove the Benefits?
No — most of the resistant starch remains even after reheating, as long as the food was cooled first.
This means you can still enjoy warm meals while getting some of the benefits.
Benefits for Blood Sugar
Resistant starch can:
slow digestion
reduce the blood sugar spike after meals
improve insulin sensitivity over time
increase fullness and reduce cravings
This can be especially helpful for:
people with insulin resistance
prediabetes
type 2 diabetes
those trying to manage appetite and energy levels
Benefits for Gut Health
Resistant starch acts as fuel for healthy gut bacteria.
Potential benefits include:
better bowel movements
reduced bloating in some people
stronger gut lining
support for beneficial bacteria
A healthier gut can also positively influence:
mood
immunity
energy levels
Easy Ways to Add More Resistant Sta