Prediabetes Diet & Healthy Eating

Diagnosed with prediabetes?
We’re here to help.

What Should I Eat?

Whilst there isn’t one specific diet that everyone with prediabetes needs to follow, making healthier food and drink choices more often can help you build a balanced way of eating that suits your lifestyle and supports your long term health.

General guidance can be a useful starting point. For example, you can aim to eat plenty of vegetables and fruit, choose higher fibre carbohydrates, include a variety of protein sources and use unsaturated oils in place of fats high in saturated fat.

However, knowing what to eat doesn’t always make it easy to decide what to change in your own diet. Your current eating habits, health, food preferences, budget and daily routine all influence what is realistic for you.

Working out which changes are right for you can sometimes feel overwhelming.  That’s where can help with our personalised assessment and support, provided by a registered dietitian. 

Our personalised dietetic assessment can help you work out which dietary changes may be most relevant to you, rather than trying to follow a generic meal plan or changing everything at once. Please see our assessment page to get started.

Prediabetes: Snacks, Sugar, Salt and Alcohol

Fruit & yoghurt
Nuts - spoonful

When you have prediabetes, you don’t necessarily need to ban particular foods or follow a highly restrictive diet. The overall pattern of your eating habits matters, and small, sustainable changes can be a useful place to start.

  • Snacks: Consider what you eat between meals, how often you snack and whether your choices are helping you feel satisfied. You don’t have to give up your favourite snacks completely.

  • Sugar: Reducing sugary drinks and foods high in added sugar can be a practical starting point. You don’t need to eliminate every source of sugar from your diet.

  • Salt: Eating too much salt can raise blood pressure. Choosing lower-salt options where possible and experimenting with herbs, spices and other seasonings can help.

  • Alcohol: If you drink alcohol, consider how much and how often you drink. UK guidance recommends drinking no more than 14 units a week, spread over three or more days, with several alcohol-free days.

These are general suggestions, but the most useful changes will depend on your individual circumstances. You may already be doing some of these things, while other areas of your diet may be more important to focus on first.

We can help you prioritise changes that fit your life, so you have practical goals to work towards instead of feeling that you need to change everything at once.

How can a Dietitian Help with Prediabetes?

A diagnosis of prediabetes can leave you wondering what to eat, which advice to follow and where to start. Online guidance can provide general information, but it cannot take account of your individual circumstances in the same way as a personalised assessment.

At Prevent Diabetes, we offer personalised dietary support for people diagnosed with prediabetes. Our aim is to help you identify practical changes that suit your health, food preferences, lifestyle and goals

Our £79 personalised dietetic assessment begins with an online questionnaire covering your health, lifestyle, dietary habits and goals. Cara Sommariva-Nagle, our Registered Dietitian, reviews your information and prepares a personalised written assessment with tailored dietary and lifestyle recommendations and practical goals to help you put those recommendations into practice.

Your assessment is delivered as a PDF by email, usually within 10 working days. You can also send one follow-up email if you need clarification about your recommendations. 

If you would benefit from additional guidance, you can add a month of email support, including weekly check-ins.

Please see our assessment page or click on ‘Find Out More’ below to get started.

What Is Prediabetes?

Prediabetes means your blood sugar is higher than normal but below the diabetes range. In the UK it’s usually diagnosed with an HbA1c of 42-47 mmol/mol (6.0-6.4%). It raises your chance of developing type 2 diabetes, but it isn’t a certainty, and many people can lower their risk with changes to diet, activity and weight.

You can find out more by visiting our dedicated Prediabetes page or by clicking the button below:

Useful information

Further reading: The tips on this page are informed by Diabetes UK’s healthy eating tips for prediabetes and reducing type 2 diabetes risk (January 2026).

More information on Diabetes – Diabetes UK: What is diabetes? | Getting to know the basics | Diabetes UK  

Diabetes Symptoms – Diabetes UK: Symptoms of diabetes | Type 1 and Type 2 | Diabetes UK