Diabetes Diet and Healthy Eating Tips

While some foods contain carbohydrates that require careful portion monitoring, incorporating nutrient-dense options is the key to stabilizing blood sugar levels and supporting heart health.^1,2 Highly recommended options include:

• Beans and Legumes: Packed with dietary fiber, magnesium, and potassium.³
• Tomatoes: An excellent low-calorie source of vitamins C, E, and iron.⁴
• Dark, Leafy Green Vegetables: Deliver a powerful dose of fiber, plant proteins, vitamins, and minerals with minimal impact on blood glucose.
• Salmon and Fatty Fish: Rich in omega-3 fatty acids, which help reduce triglycerides, blood pressure, and vascular inflammation.⁵
• Citrus Fruits: Provide generous amounts of vitamin C and soluble fiber.⁶
• Whole Grains: Contain essential nutrients like folate, magnesium, chromium, and fiber that are stripped away from refined white flour.¹
• Sweet Potatoes: A nutrient-dense choice containing more healthy fiber, antioxidants, and vitamin A than standard white potatoes.
• Raw Nuts: Full of heart-healthy monounsaturated fats and satisfying fiber.⁷
• Berries: Packed with disease-fighting antioxidants, fiber, and vitamins.⁸
• Low-Fat or Plain Greek Yogurt: Delivers vitamin D, calcium, and gut-healthy probiotics that boost immunity.⁹
   

Diabetes and carbs

Traditional family recipes and popular foods are often centered around carbohydrates and other ingredients that people with diabetes need to track. There are plenty of easy substitutions, in terms of ingredients and preparation, that can help to reduce the blood sugar impact of these dishes:

• Instead of using rice or wheat noodles, try using zucchini, spaghetti squash, or shirataki options to make veggie noodles.
• Stuffed veggies can be an alternative to dumplings by using cabbage leaves or bell peppers as the vehicle instead of dough.
• For an easy way to add extra vegetables into a diabetes diet, consider swapping out a portion of shredded cheese for seasoned, roasted butternut squash or roasted cauliflower.
• Cauliflower is a versatile ingredient that can be mashed, riced, roasted, or fried for a potato substitute. It can also be used to make a delicious pizza crust.
• Choose snacks that are made from fresh, naturally low-carb ingredients. A fresh tomato with some feta cheese, black pepper, and olive oil can provide quick energy and good nutrients.

Dietary fats

Cutting down on industrial trans fats and excess saturated fats is an important aspect of any healthy diet, but especially with a diet for diabetes.² That is because these types of fats can raise LDL ("bad") blood cholesterol levels. People with diabetes are already at a higher statistical risk for cardiovascular diseases, so reducing bad fat intake directly helps protect your blood vessels.¹⁰

Healthy Fat Tip: Replace trans fats and solid fats (like commercial margarine, butter, or lard) by cooking with liquid vegetable oils, such as canola oil, sunflower oil, avocado oil, or extra virgin olive oil.¹¹

Saturated and hidden trans fats are often found in many foods that seem healthy. Here are a few examples:

Salad Dressing: Fresh, raw vegetables are a great choice since they’re high in vitamins, minerals, and fiber. But at roughly 60 calories and 6 grams of fat per single tablespoon, full-fat commercial dressing can quickly diminish the benefits of a salad. Tip: Choose dressings made with an olive oil or yogurt base, and measure your servings with a spoon rather than pouring freely.

Sandwiches: While the main sandwich ingredients might be good choices, condiments can add unnecessary fats. Tip: Use mayonnaise sparingly (or opt for a light, olive-oil based version) or try mustard, which is virtually fat-free. Avoid prepared commercial chicken or tuna salads, as they are often mixed with large amounts of full-fat mayonnaise. Instead, prepare homemade versions using tuna packed in water combined with plain Greek yogurt, diced vegetables, and fresh herbs.

Packaged Baked Goods: Commercial bakery items are potential sources of hidden fats: pies, cakes, cookies, snack chips, and even healthy-sounding wheat crackers.¹⁴ Tip: Check the nutrition information and completely avoid items listing “partially hydrogenated” or “hydrogenated” oils, which indicate the presence of harmful trans fats.

Cutting down on trans and saturated fats is an important aspect of any healthy diet, but especially with a diet for diabetes.2 That is because these types of fats can raise blood cholesterol levels. 
People with diabetes are already at a higher risk for heart disease, heart attack, or stroke, so reducing trans and saturated fat intake can help reduce such risks^.10

Tip: To start, try replacing trans fats, which include ingredients like butter or lard. Trans fats can easily be replaced by cooking with canola oil, sunflower oil, avocado oil, or olive oil.¹¹
Saturated fats and trans fats are often found in many foods that seem healthy. Here are a few examples:

Dietary fiber: Choosing foods rich in fiber can give you a lasting feeling of fullness.² Because dietary fiber is a complex carbohydrate that isn't fully broken down or absorbed by the body, it blunts the rate of digestion, which directly improves post-meal blood glucose stability.[3,15] Great sources of fiber include pulses (like lentils and chickpeas), beans, whole fruits, non-starchy vegetables, nuts, and minimally processed whole grains.¹⁵

Use a smaller plate
A healthy portion can look deceptively small on a large dinner plate, making it visually easy to overeat.¹⁶ When preparing food at home or packing meals for work, choose a plate or container that matches the actual target size of the meal to practice natural portion control.

Stay consistent with your routine
Work with your dietitian to establish an eating schedule that matches your specific medication or insulin regimen. Keeping a consistent daily rhythm for your primary meals helps prevent extreme glucose swings and makes meal planning easier to execute.^17,18,19

Trade up
Small changes make a big difference. For example, eating quinoa—instead of white rice or standard pasta—provides more plant protein and fiber for a similar serving size, helping keep you fuller for longer.^20,21 Choose whole-grain versions of your favorite staple foods, swap out processed foods for homemade meals, and add vegetables wherever possible (such as folding spinach into an morning omelet or mixing riced cauliflower into mashed potatoes).

Eat protein at every meal and snack
Pairing a carbohydrate with a source of lean protein or healthy fat helps sustain fullness and curbs sudden sugar cravings. Incorporating foods like Greek yogurt, a handful of raw nuts, a hard-boiled egg, lean poultry, or tofu into your snacks helps manage hunger hormones.

Know what you're eating
Use a mobile app or a food diary to keep track of what you are actually consuming. When you have an accurate, honest understanding of your daily food intake, it becomes much easier to identify patterns and make necessary adjustments with your healthcare team.

Portion control
Many people with diabetes learn how to count carbohydrates in order to manage their blood sugar levels.²² Even if you have been doing this for a while, it's easy to experience "portion creep" and find your blood glucose levels out of balance. One of the easiest ways to miscount carbs is by underestimating portion sizes.

Use a food scale and measuring cups
Using a food scale and measuring cups takes the guesswork out of your data. Instead of estimating that a scoop of brown rice has "about 20 carbs or so," knowing the exact weight or volume lets you match it perfectly to your medication doses or daily targets.²²

How to approximate portion size on the go
If a food scale or measuring cups aren't available, use these visual approximations based on your hand:[23]

Meat/Fish/Protein: A 3-ounce (85 g) serving is roughly the size of a deck of cards or the palm of your hand.

Vegetables/Fruit: 1 cup is about the size of a tennis ball or an average-sized fist.

Grains/Starches: A half-cup of cooked grains is about the size of a small, scooped handful.

Fats/Oils: The size of your whole thumb is about 1 tablespoon. The tip of your index finger to the first joint is roughly 1 teaspoon.

Serving size vs. portion size
Always look closely at food labels to check the defined "serving size." A single package frequently contains multiple servings. For example, a standard bag of microwave popcorn often contains three servings; if you eat the whole bag, you must triple all the carbohydrate and calorie values listed on the back to stay accurate.

Plan the plate
When serving yourself, utilize the Diabetes Plate Method:^2,24

• Fill half of your plate with non-starchy vegetables (like salad greens, broccoli, tomatoes, or peppers).
• Fill one-quarter of your plate with lean proteins (such as salmon, chicken, turkey, or tofu).
• Fill the remaining one-quarter of your plate with carbohydrate foods (such as brown rice, quinoa, beans, or starchy vegetables like sweet potatoes).

Adopting a diabetes-friendly lifestyle is about prioritizing moderation, balance, and mindful ingredient swaps. Making small, daily decisions positively impacts your long-term cardiovascular health and blood sugar levels while still allowing you to enjoy the foods you love.     

Resources

^1. American Diabetes Association. (2025). What Superstar Foods Are Good for Diabetes? ADA Nutrition Core. Available at: https://diabetes.org/food-nutrition/food-and-blood-sugar/diabetes-super… June 30, 2026.
^2. The Diabetes and Nutrition Study Group (DNSG) of the European Association for the Study of Diabetes (EASD), Aas, A. M., Axelsen, M., et al. (2023). Evidence-based European recommendations for the dietary management of diabetes. Diabetologia, 66(6), 965-985. Available at: https://doi.org/10.1007/s00125-023-05894-8/ Accessed: June 30, 2026.
^3. U.S. Department of Agriculture. (2026). FoodData Central Nutrient Profiles for Legumes, Fruits, and Vegetables. USDA Agricultural Research Service. Available at: https://fdc.nal.usda.gov/ Accessed: June 30, 2026.
^4. Brosolo, G., Da Porto, A., Marcante, S., et al. (2023). Omega-3 Fatty Acids in Arterial Hypertension: Is There Any Good News? International Journal of Molecular Sciences, 24(11), 9520. Available at: https://doi.org/10.3390/ijms24119520/Accessed: June 30, 2026.
^5. Reynolds, A., Hodson, L., Diep Pham, C., Vlietstra, L., & Mann, J. (2023). Saturated Fat and Trans-Fat Intakes and Their Replacement with Other Macronutrients: Systematic Review and Meta-Analysis. World Health Organization Guidelines Development. Available at: https://doi.org/10.3390/nu15214567/Accessed: June 30, 2026.
^6. American Diabetes Association Professional Practice Committee. (2026). Facilitating Positive Health Behaviors and Well-being to Improve Health Outcomes: Standards of Care in Diabetes—2026. Diabetes Care, 49(Supplement_1), S89-S131. Available at: https://doi.org/10.2337/dc26-S005/Accessed: June 30, 2026.
^7. Mao, T., Huang, F., Zhu, X., Wei, D., & Chen, L. (2021). Effects of dietary fiber on glycemic control and insulin sensitivity in patients with type 2 diabetes: A systematic review and meta-analysis. Journal of Functional Foods, 82, 104500. Available at: https://doi.org/10.1016/j.jff.2021.104500/Accessed: June 30, 2026.
^8. Ahola, J., Mutter, S., Forsblom, C., Harjutsalo, V., & Groop, P. H. (2019). Meal timing, meal frequency, and breakfast skipping in adult individuals with type 1 diabetes—associations with glycaemic control. Scientific Reports, 9(1), 20063. Available at: https://doi.org/10.1038/s41598-019-56541-5/ Accessed: June 30, 2026.
^9. Academy of Nutrition and Dietetics. (2024). Serving Size vs Portion Size: Helping Patients Understand the Difference. EatRight Pro Resources. Available at: https://www.eatright.org/food/nutrition/nutrition-facts-and-food-labels… June 30, 2026.
^10. American Diabetes Association. (2025). What is the Diabetes Plate Method? ADA Food and Nutrition Portals. Available at: https://diabetes.org/food-nutrition/eating-healthy/diabetes-plate-metho… June 30, 2026.