
Prediabetes is a warning sign that your blood sugar levels are elevated, but not high enough to be classified as Type 2 diabetes. It is a crucial time to make healthy lifestyle changes, including dietary adjustments, to prevent the development of Type 2 diabetes. While there is no one-size-fits-all diet for prediabetes, adopting a well-balanced diet with a focus on certain food groups can help you manage and even reverse prediabetes.
| Characteristics | Values |
|---|---|
| Diet type | Mediterranean diet, keto diet, intermittent fasting |
| Diet composition | Whole grains, lean protein, healthy fats, non-starchy vegetables, fruits, healthy carbohydrates, fiber |
| Foods to avoid | Added sugars, refined and processed carbohydrates, large portion sizes |
| Lifestyle changes | Weight loss, increased physical activity, adequate sleep, reduced stress |
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What You'll Learn
- Consider the Mediterranean diet, which emphasises whole grains, lean protein and healthy fats
- Reduce your intake of added sugars and opt for complex carbohydrates instead
- Incorporate more fibre-rich foods into your diet, such as fruits, vegetables and whole grains
- Focus on weight loss, even a small amount can benefit prediabetes
- Exercise regularly to increase glucose usage and improve muscle insulin sensitivity

Consider the Mediterranean diet, which emphasises whole grains, lean protein and healthy fats
If you've been diagnosed with prediabetes, it's important to know that you can take control and even reverse the process. According to Johns Hopkins Medicine, adopting a well-balanced diet, staying active, and controlling your weight can make a significant difference.
One recommended approach is the Mediterranean diet, which is considered the "gold standard" for people with prediabetes. This diet emphasizes whole grains, lean protein, and healthy fats, and is based on the traditional eating patterns of countries bordering the Mediterranean Sea, including France, Spain, Greece, and Italy.
Here's a more detailed look at the Mediterranean diet and how it can be beneficial for those with prediabetes:
Whole Grains
Whole grains are a staple of the Mediterranean diet and are an excellent source of complex carbohydrates. Examples of whole grains to include in your diet are whole-wheat bread, brown rice, farro, and quinoa. These foods provide a steady source of energy and help manage blood sugar levels, as they are digested more slowly than refined carbohydrates.
Lean Protein
The Mediterranean diet encourages a moderate intake of lean protein, especially from plant-based sources like beans, nuts, and legumes. If you choose to include animal-based proteins, opt for poultry, fish, or seafood instead of red meat, which should be limited or avoided. This helps reduce your intake of saturated fats, which can contribute to high cholesterol and increase the risk of heart disease.
Healthy Fats
Healthy, unsaturated fats are a key component of the Mediterranean diet. Extra virgin olive oil is the primary source of fat and is known for its heart-healthy benefits. Other sources of healthy fats include nuts, seeds, and fatty fish like salmon, which provide omega-3 fatty acids. These fats promote cardiovascular health and can help reduce inflammation in the body.
Benefits of the Mediterranean Diet for Prediabetes
The Mediterranean diet is not only a nutritious and delicious way of eating, but it also offers specific benefits for those with prediabetes:
- Blood Sugar Management: The focus on whole grains, lean protein, and healthy fats helps stabilize blood sugar levels, reducing the risk of progressing to Type 2 diabetes.
- Weight Management: The Mediterranean diet can aid in weight management, which is crucial for prediabetes. Even modest weight loss can significantly lower the risk of developing Type 2 diabetes.
- Heart Health: This diet has been linked to a reduced risk of cardiovascular disease and improved heart health, which is especially important for those with prediabetes as they are at a higher risk of heart issues.
- Adaptability: The Mediterranean diet is adaptable and easy to follow. It does not require strict formulas or calculations, allowing you to customize it to your taste preferences and lifestyle.
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Reduce your intake of added sugars and opt for complex carbohydrates instead
If you've been diagnosed with prediabetes, it means your blood sugar levels are higher than they should be. The good news is that prediabetes can be reversed with healthy lifestyle changes and a well-balanced diet.
One of the key changes you can make is to reduce your intake of added sugars and opt for complex carbohydrates instead. Carbohydrates are essential food nutrients that your body breaks down into glucose (blood sugar) for energy. There are two types of carbohydrates: simple and complex. Simple carbohydrates are quickly digested and absorbed, leading to a rapid rise in blood sugar levels. They include added sugars, such as those in sugar-sweetened beverages and desserts, which provide empty calories and can contribute to weight gain.
On the other hand, complex carbohydrates are digested more slowly, resulting in a slower release of glucose into the bloodstream. They include whole grains, fruits, vegetables, legumes, beans, lentils, and dried peas. These foods are loaded with healthy nutrients like fiber, vitamins, and minerals. By choosing complex carbohydrates, you can help manage your blood sugar levels and keep them from spiking.
To make this change, start by reading food labels and identifying sources of added sugars in your diet. You can then replace these foods with complex carbohydrate options. For example, instead of a sugary snack, opt for an apple or a piece of fruit. Choose whole grains like brown rice, farro, or quinoa instead of refined grains like white rice or white bread. Include a variety of non-starchy vegetables in your meals, such as leafy greens. These swaps will provide your body with the nutrients it needs while helping to control your blood sugar levels.
Remember, it's important to consult with a healthcare professional or a registered dietitian who can provide personalized recommendations based on your specific needs and preferences. They can guide you in making these dietary changes and offer additional advice on managing prediabetes.
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Incorporate more fibre-rich foods into your diet, such as fruits, vegetables and whole grains
If you have been diagnosed with prediabetes, it is important to know that progression to diabetes is not inevitable. Adopting a well-balanced diet, staying active, and controlling your weight can help you take control of your health and may even reverse the process.
One way to improve your diet is to incorporate more fibre-rich foods. Fibre is promoted as part of a healthy dietary pattern, and those with prediabetes should increase their dietary fibre intake by 15 grams per day or up to 35 grams per day. Fibre-rich foods include fruits, vegetables, and whole grains.
Fruits such as berries and pears are loaded with fibre and antioxidants. A cup of raspberries, for example, contains about 9.75 grams of fibre, while a large pear provides around 6 grams. These fruits also offer health-boosting compounds that may help prevent certain types of cancer and improve heart health.
When it comes to vegetables, non-starchy options like leafy greens are recommended. These vegetables are high in fibre and provide various essential nutrients. Additionally, pulses, which include beans, peas, and lentils, are excellent sources of fibre and can be incorporated into your meals.
Whole grains are another important component of a high-fibre diet. Replacing refined grain products with whole grain foods can significantly increase your fibre intake. Examples of whole grains include brown rice, farro, and quinoa.
By incorporating more fibre-rich fruits, vegetables, and whole grains into your diet, you can improve your overall health and take a proactive approach to managing prediabetes.
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Focus on weight loss, even a small amount can benefit prediabetes
If you have prediabetes, it means your blood sugar levels are higher than they should be, but not high enough to be classified as Type 2 diabetes. The good news is that prediabetes can be reversed through healthy lifestyle changes, including weight loss.
Even a small amount of weight loss can have a positive impact on prediabetes. According to the American Diabetes Association (ADA), losing just 5% to 10% of your body weight can significantly lower your A1C level. For example, a person weighing 200 pounds could benefit from losing just 10 to 20 pounds. Losing just 7% of body weight can make a huge difference.
To lose weight, it's important to create a calorie deficit by eating healthier foods with fewer calories and increasing physical activity. Aim to fill half your plate with non-starchy vegetables, a quarter with starchy foods, and the remaining quarter with lean protein. Be cautious with carbohydrates, especially refined and processed carbs, as they can cause spikes in blood sugar.
In addition to a well-balanced diet, regular physical activity is crucial. Aim for at least 150 minutes per week of moderate to vigorous exercise or 10,000 steps daily. Strength training and aerobic exercise, such as walking, swimming, or dancing, are excellent options.
Remember, prediabetes food plans should be tailored to the individual. Working with a doctor or dietitian can help you make personalized choices that fit your lifestyle, taste preferences, and health goals.
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Exercise regularly to increase glucose usage and improve muscle insulin sensitivity
If you've been diagnosed with prediabetes, it's important to know that you can take control of your health. According to Johns Hopkins Medicine, "Adopting a well-balanced diet, staying active, controlling your weight can put you in control, enabling you to arrest or even reverse the process."
Exercise plays a crucial role in managing prediabetes and improving insulin sensitivity. Here are some detailed instructions and insights to help you incorporate regular exercise into your routine effectively:
Understand the Benefits of Exercise for Prediabetes:
Exercise has multiple benefits for individuals with prediabetes. Firstly, it helps lower blood glucose levels, also known as blood sugar levels. When you engage in physical activity, your muscle cells become more sensitive to insulin, allowing them to take up glucose more effectively during and after activity. This increased insulin sensitivity can lead to better blood sugar control. Additionally, exercise can lower your A1C levels, a long-term indicator of blood sugar control, when done regularly.
Check Blood Glucose Levels Before and After Exercise:
It is essential to monitor your blood glucose levels before and after exercising. Checking your blood glucose level allows you to understand how your body responds to different activities. This knowledge can help you prevent your blood glucose from going too high or too low. If your blood glucose level drops below 100 mg/dL, it is important to treat hypoglycemia immediately by consuming 15-20 grams of carbohydrates. Repeat this step every 15 minutes until your blood glucose level rises above 100 mg/dL.
Adjust Insulin and Carbohydrate Intake:
If you are taking insulin or insulin secretagogues, it is crucial to adjust your insulin dose or carbohydrate intake with exercise. Consult your diabetes care team, including your doctor, nurse, dietitian, or pharmacist, to determine if you are at risk for hypoglycemia. They can guide you on making the necessary adjustments to your medication or diet to prevent low blood sugar during and after exercise.
Exercise Recommendations for Prediabetes:
The general recommendation for individuals with prediabetes is to aim for at least 150 minutes per week of moderate to vigorous exercise or aim for 10,000 daily steps. You can include various activities such as walking, jogging, swimming, cycling, or fitness video games that allow you to work out at home. Additionally, consider incorporating interval training, which has been shown to improve glucose effectiveness and insulin sensitivity in individuals with type 2 diabetes.
Considerations for Long-Duration Exercise:
If you engage in long-duration exercise, such as endurance sports or extended workouts, you may need to make additional adjustments. Consult your healthcare provider to determine if you should eat a small snack before exercising or if any changes to your medication are necessary to prevent hypoglycemia during and after your extended workouts.
Remember, regular exercise is a crucial component of managing prediabetes and improving insulin sensitivity. By incorporating these recommendations into your routine, you can take control of your health and work towards lowering your blood glucose levels effectively.
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Frequently asked questions
Prediabetes is a warning of Type 2 diabetes. It means your blood sugar levels are elevated but not high enough to be Type 2 diabetes.
There is no one-size-fits-all diet for prediabetes. However, you should cut down on added sugars, swap simple carbs for complex ones, and incorporate more fiber-rich foods, lean proteins, and healthy fats. The Mediterranean diet is often recommended for prediabetics.
Foods that are high on the GI scale, such as refined and processed carbohydrates, can cause spikes in blood sugar and should be avoided. You should also watch your portion sizes and read food labels to monitor your intake of calories, fat, and carbohydrates.
Losing weight can help to lower your risk of developing Type 2 diabetes. Even a small amount of weight loss can make a difference.
Incorporating more physical activity can help people with prediabetes take control of their health. Aim for at least 150 minutes per week of moderate to vigorous exercise or 10,000 steps daily.











































