Prediabetes Diet: Where Should I Start?

Being told you have prediabetes can create the feeling that you need to change everything immediately. In practice, a few repeatable changes are usually more useful than starting an extreme diet you cannot maintain.

Prediabetes means blood glucose levels are higher than the usual range but not high enough for a diabetes diagnosis. It is also a signal to pay attention to broader cardiometabolic health, including blood pressure, cholesterol, activity and weight where relevant.

1. Start with your normal meals

Do not begin with a list of foods you are never allowed to eat again. Write down what you normally eat for several days and look for patterns:

• very large serves of rice, pasta, bread or other carbohydrate foods
• sweet drinks or regular juice
• long gaps followed by very large meals
• meals with very little vegetable or protein content
• frequent takeaway, snack foods or desserts
• alcohol intake where relevant

The point is not to judge the food. It is to identify the changes that would make the biggest practical difference.

2. Improve carbohydrate quality and amount

Carbohydrate is not automatically the enemy. Diabetes Australia recommends paying attention to what type and how much carbohydrate you eat and favouring higher-fibre, lower-GI choices where appropriate.

For some people, the most useful first step is reducing an oversized portion rather than removing the food entirely.

If you eat South Asian food, that might mean adjusting the balance between rice or roti, dal, vegetables, yoghurt and protein rather than adopting an entirely different cuisine.

Read rice vs roti for diabetes and Indian food and diabetes.

3. Add fibre, vegetables and minimally processed foods

Higher-fibre foods tend to be more filling and can improve the overall nutritional quality of the diet. Depending on your preferences and clinical needs, this can include:

• vegetables
• legumes and beans
• whole grains
• fruit
• nuts and seeds

You do not need to transform every meal overnight. One extra vegetable at dinner or replacing a low-fibre breakfast with a more balanced option can be a realistic starting point.

4. Look at drinks

Sugar-sweetened soft drinks, energy drinks and frequent juice can contribute a substantial amount of rapidly consumed carbohydrate without much fullness.

Water should generally be the default drink. If sweet drinks are a regular habit, reducing them can be one of the simplest high-impact changes.

5. Physical activity matters too

Prediabetes management is not only about food. Diabetes Australia recommends regular physical activity alongside healthy eating, and weight loss may be helpful for some people when clinically appropriate.

The best activity plan is one you can actually continue and that is safe for your health and mobility.

6. Avoid chasing a perfect “prediabetes diet”

There is no single eating pattern that suits everyone. Your plan may need to account for:

• vegetarian or culturally specific eating
• shift work
• family meals
• cholesterol or blood pressure
• kidney health
• digestive symptoms
• medications
• pregnancy planning
• exercise and sport

That is where individual dietetic advice can be more useful than a generic internet meal plan.

When should I see a dietitian?

Consider an Accredited Practising Dietitian if you are unsure how to translate the diagnosis into your normal meals, if you have multiple health conditions, or if restrictive dieting has made eating confusing.

Karma Nutrition offers diabetes and metabolic health consultations at Gold Coast clinics in Arundel, Currumbin Waters and Biggera Waters and online across Australia.

Private appointments do not require a GP referral. Some eligible patients may access Medicare-supported allied health care under a GP Chronic Condition Management Plan.

Further reading

• Diabetes Australia — Prediabetes
• Diabetes Australia — Eating well for good health

This is general information only. Prediabetes should be followed up with your GP, who can assess your overall cardiovascular and diabetes risk and recommend appropriate monitoring.

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