Being told your blood sugar is high can make food suddenly feel complicated. This guide turns it back into ordinary meals: what to put on your plate, what matters most, 23 realistic recipes, a 7-day example week and a simple action plan.
Prediabetes (also called non-diabetic hyperglycaemia) means your average blood glucose is higher than the normal range but not in the diabetes range. It often causes no symptoms, which is why a blood test matters.
Insulin helps move glucose from your blood into cells. In insulin resistance, the body becomes less responsive to it, so the pancreas may need to produce more.
Genetics, age, ethnicity, activity, sleep, smoking, body-fat distribution and food patterns can all play a part. Weight alone does not cause prediabetes.
You do not need to eliminate every carbohydrate or eat “diabetic food”. The aim is a way of eating you can actually maintain.
This is a useful starting template, not a prescription. Adjust portions for your appetite, body size, activity, medication and individual needs.
Carbohydrate is not banned. Quality, portion and what you eat alongside it matter.
Instead of toast, pasta, rice or cereal being most of the meal, add a clear protein source and plenty of vegetables or other fibre-rich foods.
A salad or vegetables before or alongside the rest of the meal is a simple way to increase fibre and slow the pace of eating. Treat food-order strategies as an optional tool, not a rule you must obey.
Whole fruit retains its intact fibre and is generally more filling. You do not need to fear fruit.
Physical activity helps your body use insulin more effectively. You do not need to become a gym person overnight. Walking, strength work, cycling, gardening and simply breaking up long periods of sitting all count.
One very practical habit is to take a short walk after a meal when you can. Think of it as a way to build movement into the day — not as punishment for eating.
This is not a “good food / bad food” list. It is a frequency guide for building a pattern that is higher in fibre and minimally processed foods and lower in sugary drinks and heavily processed foods.
“Less often” does not mean “never”. A sustainable pattern has room for real life.
Use this for ideas rather than treating it as a rigid prescription. Repeat meals, swap proteins, use leftovers and change portions to suit you.
B: yoghurt, berries & seeds
L: tuna & bean pot
D: chicken tray bake
B: eggs, mushrooms & toast
L: leftover tray bake
D: bean & lentil chilli
B: overnight oats
L: lentil soup
D: salmon, greens & potatoes
B: tofu scramble
L: salmon potato salad
D: chicken/tofu stir-fry
B: cottage cheese bowl
L: hummus protein wrap
D: turkey meatballs & pasta
B: salmon avocado toast
L: quinoa bowl
D: chickpea spinach curry
B: favourite repeat
L: egg & edamame box
D: leftovers / family meal using the plate template
| If you usually have… | Try more often… | Why it can help |
|---|---|---|
| Large bowl of cereal | Smaller oats + yoghurt + berries + seeds | Adds protein, fibre and fat to the carbohydrate. |
| White toast with jam | Seeded toast + eggs / tofu / nut butter | More fibre and a clear protein or fat source. |
| Sandwich + crisps | Wholegrain wrap/sandwich with generous protein + salad + fruit | Makes lunch more substantial without banning bread. |
| Huge pasta portion | Smaller pasta portion + protein + lots of vegetables | Changes the balance of the meal rather than removing pasta. |
| Fruit juice | Whole fruit + water | Retains intact fibre and is usually more filling. |
| Biscuits when hungry | Yoghurt, nuts + fruit, hummus + veg, or egg + oatcakes | Gives the snack more protein/fibre. |
Nothing here is “diabetic food”. These are ordinary meals built around protein, fibre, vegetables and sensible portions of carbohydrate.
Start with something more substantial than carbohydrate on its own.
You need: Greek or soya yoghurt, mixed berries, chia or ground flaxseed, pumpkin seeds and walnuts.
Do this: Spoon everything into a bowl. Add cinnamon if you like.
Why it works: Protein, fibre and fat make this a much more balanced breakfast than cereal or toast alone.
You need: 2 eggs, mushrooms, spinach, tomatoes and 1 slice seeded wholegrain toast.
Do this: Cook the vegetables, add the eggs, and serve with toast.
Why it works: A protein-rich breakfast with vegetables and a sensible portion of carbohydrate.
You need: Oats, Greek or soya yoghurt, chia seeds, milk, berries and chopped nuts.
Do this: Mix the night before and refrigerate. Add berries and nuts in the morning.
Why it works: Oats and berries bring fibre; yoghurt, chia and nuts add protein and fat.
You need: Cottage cheese, berries or chopped apple, cinnamon, walnuts and seeds.
Do this: Add everything to a bowl and stir.
Why it works: Quick, high in protein and easy to adapt to your appetite.
You need: Seeded wholegrain toast, smoked salmon, avocado, cucumber, lemon and black pepper.
Do this: Top the toast with avocado, salmon and cucumber.
Why it works: Protein and fat sit alongside the carbohydrate rather than toast being the whole meal.
You need: Firm tofu, turmeric, spinach, mushrooms, tomatoes and 1 slice wholegrain toast.
Do this: Crumble tofu into a pan, add vegetables and seasoning, and cook until hot.
Why it works: A substantial plant-based breakfast with protein, fibre and vegetables.
I’ve also put together a dedicated Pre-Diabetes Recipe Kit with practical meals you can come back to when you don’t want to think about what to cook.
View the Pre-Diabetes Recipe KitIf you have tried to improve your diet but are still unsure what to prioritise, we can use a free 15-minute call to talk through what is going on and whether personalised nutritional therapy would be useful for you.
Supplements are often marketed as a shortcut for blood-sugar control. I would not build a prediabetes plan around them. The strongest foundations are still food quality, fibre, regular movement, sleep, smoking cessation where relevant, weight management where appropriate, and the medical follow-up your GP recommends.
Products containing ingredients such as berberine, chromium, cinnamon extracts or multiple herbs are not a substitute for established lifestyle care. Evidence is mixed, product quality varies and some can interact with medicines or be unsuitable for particular health conditions.
Vitamin D, vitamin B12, iron, magnesium and other nutrients matter for general health, but taking more does not automatically improve blood glucose. If a blood test or your clinical history suggests a deficiency, treat that deficiency appropriately rather than assuming a higher dose will improve HbA1c.
If you take metformin, glucose-lowering medication, blood-pressure medication, anticoagulants or other regular medicines, check supplements with your GP, pharmacist or appropriately qualified practitioner before starting them.
You do not need to overhaul everything on Monday. Pick the first step that would make the biggest difference to your actual week.
Choose the meal that is currently most carbohydrate-heavy or least structured and use the plate template.
Choose one regular meal after which a short walk or other movement is realistic.
Stock one breakfast, one lunch and two snacks that stop busy days becoming “whatever is there”.
Keep the blood-test follow-up your GP recommends. The goal is not to guess whether it is working — it is to check.
Prediabetes is not simply a story about sugar. Poor-quality sleep, inactivity and smoking are associated with greater type 2 diabetes risk. If you are living with overweight or obesity, weight loss can have a particularly meaningful effect — but not everyone with prediabetes needs to lose weight.
The right plan depends on the person in front of it. That is why this guide gives you a strong foundation without pretending everybody needs the same prescription.
If you have prediabetes, you may be eligible for an NHS type 2 diabetes prevention programme or other local support. Your GP can also advise on monitoring, medication where appropriate and other cardiovascular risk factors such as blood pressure and cholesterol.
I’m Tracey Warren, a naturopathic nutritional therapist. My job is to help people understand what matters, turn it into food they will actually eat, and make the plan fit real life rather than expecting real life to fit the plan.
Tracey Warren, Naturopathic Nutritional Therapist (CNM)
Guide last reviewed: September 2026
If your prediabetes sits alongside weight concerns, cholesterol, digestive symptoms, menopause or other health issues, generic advice can quickly become confusing. That is where personalised support can help.
Book my free 15-minute consultationPrediabetes does not have to make food your full-time job. These resources can help with the parts of real life that often make a plan harder to stick to.
This guide is written for a UK audience and is designed to sit alongside — not replace — medical care.
NHS — Diabetes and prediabetes
Plain-English NHS information on prediabetes, type 2 diabetes, risk reduction and treatment.
NHS England — Healthier You Diabetes Prevention Programme
Official information on the evidence-based NHS lifestyle programme for people at high risk of developing type 2 diabetes.
Diabetes UK — Prediabetes
Detailed UK information on HbA1c, causes, diet, activity, monitoring and reducing the risk of progression to type 2 diabetes.
NICE — Type 2 diabetes prevention in people at high risk
UK clinical recommendations covering HbA1c thresholds, monitoring, diet, physical activity and intensive lifestyle-change programmes.
Clinical guidance changes over time. If your GP or diabetes team has given you individual advice, that takes priority over this general guide.
If you know the broad advice but are not sure how it applies to your weight, cholesterol, menopause, digestion, medication or actual working week, we can talk it through.
Book my free 15-minute consultationImportant: This guide is general education and does not diagnose or treat prediabetes or replace advice from your GP, diabetes team or dietitian. Do not stop or change prescribed medication because of this guide. Seek individual medical advice before major dietary, weight-loss or exercise changes, particularly if you have diabetes, kidney disease, are pregnant, have a history of an eating disorder, are underweight, or take medication that can affect blood glucose.
