Is roti better than rice for diabetes?

Traditionally made wholewheat roti usually has a lower glycaemic index than white rice, so it tends to cause a gentler rise in blood glucose. That said, portion size and balance matter more than the choice itself, so I encourage clients to focus on portions, vegetables and protein rather than banning rice outright.

What is the glycaemic index difference between rice and roti?

Polished white rice generally has a higher glycaemic index than traditionally made wholewheat roti, largely because roti has more fibre. The fibre slows glucose absorption, though cooking method and the specific rice or flour used can shift this.

Does rice have more sugar than roti?

Rice and roti are both carbohydrate foods rather than sugary foods as such, but rice is denser in carbohydrate per gram and typically raises blood glucose faster because of its higher glycaemic index and lower fibre content. A large serving of rice contains more rapidly absorbed carbohydrate than a single roti.

Rice vs Roti for Diabetes: South Asian UK Guide

27 July 2026 · Updated 25 October 2026

Rice or Roti? What It Means for You

The short answer: for type 2 diabetes risk, traditionally made wholewheat roti usually has the edge over white rice, because it tends to have a lower glycaemic index and more fibre, which means a gentler effect on blood sugar. But portion size, and adding fibre and protein to the plate, matter more than the choice between them.

Do you find yourself reaching for a plate of steaming basmati rice or a stack of soft roti at every family dinner, wondering which is better for your health? In my practice, I often see South Asian clients grappling with this exact question, especially when they have a family history of type 2 diabetes.

Why the South Asian diet matters for diabetes risk

People of South Asian heritage are at a higher risk of type 2 diabetes than the general UK population. The risk is shaped by a mix of genetics, lifestyle and dietary patterns, including diets rich in refined carbohydrates such as white rice and white flour roti.

Rice and roti: nutritional differences at a glance

Both staples provide mainly carbohydrate energy, but there are differences that can influence how quickly blood glucose rises:

Rice: typically has a higher glycaemic index (GI), especially polished white rice, which means it raises blood glucose more quickly.
Roti: made from wholewheat flour (atta) when prepared traditionally, it usually has a lower GI and more fibre, which slows glucose absorption.
Portion size: rice is denser in carbohydrate per gram and is easy to serve generously, so you can unintentionally eat more of it than you realise.

In my consultations, I encourage clients to compare portion sizes visually, such as a fist-sized scoop of rice next to a couple of roti, each about the size of a palm.

Body weight and risk for South Asians

UK guidance recognises that people of South Asian heritage can face higher health risks at a lower body mass index than the general population. This means many people classed as "healthy weight" by generic charts may still benefit from paying attention to everyday food choices. It is another reason to focus on what you can choose: the quality and balance of your meals.

Practical portion-size strategies for everyday meals

Here are simple adjustments you can start using tonight:

Serve your rice with a measuring cup or a small bowl so you know what a typical portion looks like, and keep it smaller than the vegetables and dal on the plate.
Swap one serving of rice for a wholewheat roti, or combine a smaller scoop of rice with one roti to balance the load.
Boost fibre by adding lentils, beans or chopped vegetables to the plate, which supports your gut health too.

Research suggests these kinds of tweaks can help lower post-meal glucose peaks, though individual results vary. To see how this fits across a whole day, have a look at my sample day of eating with type 2 diabetes.

Beyond the plate: lifestyle factors that complement food changes

Portion size is only part of the picture. Regular physical activity, enough sleep and looking after your stress levels all influence insulin sensitivity. I often suggest a brisk walk after dinner, which is a simple, low-cost habit. If you're already working on your weight, take a look at the weight loss page for more ideas. If fatty liver is also on your radar, my post on diabetes and fatty liver covers the wider food picture.

Rice and roti on a UK shopping list

In the UK you can usually find wholemeal atta, brown basmati and parboiled rice in the world foods aisle of larger supermarkets as well as in Asian grocers, often in bigger bags that cost less per kilo. When you compare packs, look at fibre per 100g in the nutrition table: 3g or more lets a food say “source of fibre” and 6g or more “high fibre”. On ready-made rotis and chapatis, check that wholemeal or whole wheat flour comes first in the ingredients, as some are made mostly with refined flour. Services for people at higher risk of type 2 diabetes, such as the NHS Health Check and the NHS Diabetes Prevention Programme, are run locally and arrangements differ across the UK, so it is worth finding out what is available where you live.

When a personal approach helps

If you have a family history of diabetes, prediabetes or are in a higher-risk group, a personalised nutrition plan can make a real difference. As a registered nutritionist, I can help you:

Look at your typical meals and spot hidden carbohydrates.
Create a sustainable portion guide that respects cultural preferences.
Build everyday food habits that fit your routine in a realistic way.

If you have prediabetes or a diagnosed condition, I work alongside your doctor, with my food support complementing that care rather than replacing it. For more detail on eating well with type 2 diabetes, you may find the type 2 diabetes nutritionist resource useful.

In my online practice, I work with clients across the UK, offering video consultations that fit around your family commitments. Whether you're looking to lower your risk or eat well with an existing condition, a tailored approach is more helpful than generic advice.