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Type 2 Diabetes
Type 2 Diabetes
Type 2 diabetes is a disease of high blood sugar levels which is often related to diet and exercise habits. Learn about symptoms, causes, diagnosis, prevention, and treatment options through lifestyle changes and medications.
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  • 2What Are the Signs and Symptoms of Type 2 Diabetes?
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  • 5Type 2 Diabetes Treatment: Types, Benefits, and Side Effects
  • 6What Is a Type 2 Diabetes Friendly Diet? A Complete Guide
  • 7What Are the Possible Complications of Type 2 Diabetes, and How Can You Avoid Them?
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The Best Seafood for People With Diabetes

Seafood is high in protein and big on taste. Find out how to make fish and shellfish part of your diabetes diet.
By
Margaret O'Malley and Lauren Bedosky
Updated on May 20, 2025
by
Lynn Grieger, RDN, CDCES
sardines, salmon, cod and canned tuna
Seafood is a great choice for a diet friendly to type 2 diabetes and heart health
iStock (3); Adobe Stock
If you have diabetes and are looking to add nutritious, heart-healthy foods to your diet, seafood is a terrific choice. Not only is seafood a great source of protein and healthy fat, it contains plenty of important vitamins and minerals

that can boost your cardiovascular health and reduce the risk of diabetes-related complications like heart disease.

In fact, the American Heart Association (AHA) recommends eating two servings of fish per week, where one serving equals 3 ounces (oz) of cooked fish, or about ¾ cup of flaked fish.

Diabetes Meal Plan: Salmon Cakes

Diabetes Meal Plan: Salmon Cakes

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Salmon for Heart-Healthy Omega-3s

Griled salmon
iStock
Salmon is a great choice of fish for type 2 diabetes because it’s high in omega-3 fatty acids. These are “healthy” fats that can reduce your risk of heart disease, heart failure, and stroke,

which are common complications of diabetes.

 Indeed, eating at least two servings of fish per week is associated with a lower risk of heart attack, stroke, and death among people with heart disease.

As with most fish, you have a number of options for healthy cooking with diabetes, including baking, broiling, and grilling. Avoid breading or frying fish, as these cooking methods pack on extra carbs and calories.

Jill Weisenberger, CDCES, RD, a certified diabetes care and education specialist in Newport News, Virginia, and the author of The Beginner’s Guide to What to Eat With Type 2 Diabetes, suggests coating cooked salmon with this heart-healthy dressing: 1 tablespoon (tbsp) olive oil, 1½ tbsp lemon juice, 2 crushed garlic cloves, and a handful of fresh chopped basil. “Every single ingredient is heart-healthy and perfect for people with type 2 diabetes,” she says. Add a salad, roasted vegetables like broccoli or asparagus, and a whole-grain like brown rice for a balanced meal, she adds.

Tilapia for Tons of Protein and Little Fat

Tilapia on a plate
Odu Mazza/Adobe Stock
Tilapia is a low-calorie, high-protein fish that has a very mild flavor, Weisenberger says. A 100 gram (g) serving of steamed tilapia contains 121 calories and 25 g of protein.

Tilapia is also fairly easy to find as both a fresh and frozen fillet, and it cooks quickly. Try this diabetes-friendly tilapia dish from Weisenberger: Sauté onions, peppers, or whatever vegetables you have on hand in a pan. Then add canned tomatoes, tomato sauce (look for low-sodium options), and Italian seasonings. Raise the heat to a low boil and place the tilapia on top. Cover and cook for a few minutes, or until the fish is cooked through. “I’d serve it with brown rice, barley, or quinoa,” Weisenberger says.

Cod for a Versatile, Low-Calorie Meal

Cod on a plate
Adobe Stock
Like tilapia, cod is a low-calorie, high-protein white fish, with 122 calories and 27 g protein per regular, 140 g steamed fillet.

 “[Cod] has very little saturated fat and a nice amount of omega-3s,” says Weisenberger, who loves using cod for fish tacos or even seafood gumbo.

Another great way to prepare cod is to cut it into chunks, add your favorite veggies, herbs, spices, and a drizzle of olive oil. Wrap each portion in aluminum foil and bake. “This is a great way to give each family member their own personalized meal,” Weisenberger says. “I might choose onions and broccoli, and you might choose mushrooms and asparagus.”

Trout for Heart-Healthy Fatty Acids

Trout on a plate
iStock

If you know someone who fishes, hope that you get treated to a fresh trout or bass. “Fattier fish like trout contain higher amounts of omega-3 fatty acids,” says Julie Stefanski, RD, CDCES, who is based in York, Pennsylvania.

Try baking or broiling trout with sodium-free seasoning or a little citrus juice. The challenge for people who are just learning to cook seafood is to not oversalt, especially because the AHA recommends consuming no more than 1,500 milligram (mg) of salt every day for most adults.

Aim to go easy on the salt or make meals salt-free with just a touch of flavorful herbs.

Shrimp for Calorie Control and a Hearty Helping of Protein

Shrimp salad
iStock
Shrimp is very low in calories and high in protein, Weisenberger says. One cup contains 122 calories and 23 g of protein.

Shrimp does contain relatively high amounts of cholesterol (215 mg) compared with other kinds of seafood, which may be a concern for people with diabetes. But research suggests that despite its higher cholesterol content, shrimp has a positive effect on lipid levels, and people who eat shrimp have a lower risk of cardiovascular disease than those who do not eat shrimp.

Other Shellfish for Portion Control

Lobester on a plate
iStock
The challenge of having to work to get the meat out of succulent shellfish such as crab and lobster may make it hard to overindulge in these dishes on your diabetes diet. Plus, crab and lobster are “naturally low in fat and calories,” Stefanski says. One cup of crab packs 112 calories and nearly 1 g of fat, with 24 g of protein.

 Meanwhile, 1 cup of steamed lobster provides 131 calories and 1.3 g of fat, with 28 g of protein.

But if you add melted butter, both fat and calories can skyrocket. “Instead, try incorporating shellfish into plant-based meals such as salads and stir-fries with tons of colorful veggies,” Stefanski says. Try a bay leaf seasoning in the cooking water for extra zest rather than salting the cooking liquid. And get creative: Use cooked seafood in recipes from cold salads to pasta, rice dishes, and soups.

Canned Tuna and Salmon for Your Budget

canned tuna
iStock

Fresh or frozen seafood is a delicious addition to a diabetes diet, but it can be expensive. Meanwhile, canned tuna and canned salmon are more affordable shelf-stable staples you can keep in your pantry. And they do count as part of your fish-eating goal for the week. “Most people don’t include enough fish in their diets, but with this easy option, they may reach the goal of two to three servings of fish per week,” Stefanski says.

Pick fish canned in water rather than packed in oil to reduce calories and fat.

And keep in mind the U.S. Food and Drug Administration’s (FDA) recommendations on limiting mercury in the fish you eat: Certain types of canned fish, such as canned albacore tuna, may have higher levels of mercury, so the FDA suggests limiting consumption to one serving per week. Other types, such as light or skipjack canned tuna, are safe to eat two to three servings of per week.

For an easy, filling meal, mix one can of tuna with a bit of avocado, a touch of mayo if desired, and lemon pepper seasoning, Stefanski says. Then spread the mixture over whole-wheat toast.

Sardines for Flavor and Nutrients

Sardines
iStock
“Sardines really do deserve an A on their nutritional report card,” Stefanski says. Not only are sardines high in omega-3s, but they contain some calcium and vitamin D, she says. One standard can (about 75 g) of canned sardines in oil offers 286 mg of calcium and 3.6 micrograms (mcg) of vitamin D.

 Those attributes make them an excellent food to include as part of your diabetes diet and to support your bone health,

as long as you read labels to find brands low in salt.

 Canned sardines are relatively affordable, and they are flavorful on their own or added to other dishes. If you’re adventurous, try grilling fresh sardines.

The Takeaway

  • Seafood can be a great addition to your diabetes-friendly diet because it’s high in protein and healthy fats, often low in calories, and packed with many vitamins and minerals.
  • Health experts generally suggest eating two servings of fish each week to support heart health.
  • Salmon and sardines, in particular, are rich in omega-3 fatty acids, which are a type of healthy fat that can support heart health and reduce the risk of certain diabetes complications, such as heart disease and stroke.
  • Grill, bake, and broil seafood rather than breading or frying it, to avoid additional carbs and calories in your dish.

Resources We Trust

  • Mayo Clinic: Diabetes Diet: Create Your Healthy-Eating Plan
  • Centers for Disease Control and Prevention: Diabetes Meal Planning
  • U.S. Food and Drug Administration: Advice About Eating Fish
  • Johns Hopkins Medicine: Healthy Fish to Eat
  • American Diabetes Association: Let’s Talk About Protein for People With Diabetes
EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
  1. Healthy Fish to Eat. Johns Hopkins Medicine.
  2. Omega-3 in fish: How eating fish helps your heart. Mayo Clinic. April 25, 2023.
  3. Fish and Omega-3 Fatty Acids. American Heart Association. August 23, 2024.
  4. Picking Healthy Proteins. American Heart Association. August 28, 2024.
  5. Cardiovascular Disease and Diabetes. American Heart Association. April 2, 2024.
  6. Mohan D et al. Associations of Fish Consumption With Risk of Cardiovascular Disease and Mortality Among Individuals With or Without Vascular Disease From 58 Countries. JAMA Internal Medicine. March 8, 2021.
  7. What Superstar Foods Are Good for Diabetes? American Diabetes Association.
  8. Fish, Tilapia, Steamed. U.S. Department of Agriculture. October 31, 2024.
  9. Fish, Cod, Steamed. U.S. Department of Agriculture. October 31, 2024.
  10. How Much Sodium Should I Eat Per Day? American Heart Association. January 5, 2024.
  11. Shrimp, Steamed or Boiled. U.S. Department of Agriculture.
  12. Narasimhan B et al. Impact of a High-Shrimp Diet on Cardiovascular Risk. Mayo Clinic Proceedings. February 2021.
  13. Crab. U.S. Department of Agriculture. October 31, 2024.
  14. Lobster. U.S. Department of Agriculture. October 31, 2024.
  15. Fish, Tuna, White, Canned in Water, Drained Solids. U.S. Department of Agriculture. April 1, 2019.
  16. Fish, Tuna, White, Canned in Oil, Drained Solids. U.S. Department of Agriculture. April 1, 2019.
  17. Advice About Eating Fish. U.S. Food and Drug Administration. March 5, 2024.
  18. Fish, Sardines, Canned. U.S. Department of Agriculture. October 31, 2024.
  19. Calcium and Vitamin D: Important for Bone Health. National Institute of Arthritis and Musculoskeletal and Skin Diseases. May 2023.
  20. Watching Salt When You Have Diabetes. University of Rochester Medical Center.
Meet Our Experts
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Lynn Griger photo

Lynn Grieger, RDN, CDCES

Medical Reviewer

Lynn Grieger is a registered dietitian-nutritionist, certified diabetes care and education specialist, certified personal trainer, and certified health and wellness coach. She completed requirements to become a registered dietitian at Valparaiso University in 1987 and completed a dietetic internship at Ingalls Memorial Hospital in Harvey, Illinois, in 1988. 

Lynn brings her expertise in nutrition, exercise, and behavior change to her work in helping people reach their individual health and fitness goals. In addition to writing for Everyday Health, she has also written for websites and publications like Food and Health Communications, Today's Dietitian, iVillage.com, and Rodale Press. She has a passion for healthy, nutrient-dense, great-tasting food and for being outdoors as much as possible — she can often be found running or hiking, and has completed a marathon in every state.

See full bio

Margaret O'Malley

Author

Margaret O'Malley is an executive editor at Everyday Health. A veteran digital writer, editor, and content strategist, she oversees food, diet, nutrition, fitness, and lifestyle content on Everyday Health, and for our partner sites, like Mayo Clinic Healthy Living and Mayo Clinic Diet. For almost 8 years, Margaret served as Everyday Health's launch editor and content strategist, conceiving and launching dozens of unique health sites, tools, apps, and books. Prior to joining Everyday Health, she launched and managed content channels, sites, and print publications for The Knot, iVillage, and Forbes.

See full bio
Bedosky-bio

Lauren Bedosky

Author
Lauren Bedosky is an experienced health and fitness writer. She regularly contributes to top websites and publications like Men's Health, Women's Health, MyFitnessPal, SilverSneakers, Runner's World, Experience Life, Prevention, AARP, Blue Cross and Blue Shield, UnitedHealthcare, Livestrong, Fitness, Shape, Family Circle, Healthline, Self, Redbook, and Women's Running.

When she's not writing about health and fitness — her favorite topics being anything related to running and strength training — she's reading up on the latest and greatest news in the field and working on her own health goals.
See full bio
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