Seafood Nutrition: Health Benefits, Best Choices & Essential Nutrients

Seafood is packed with omega-3 fatty acids, protein, vitamins, and minerals. Discover the top seafood options, their nutritional value, and how to add seafood to your diet for better health.

10/31/20242 min read

Infographic showing seafood nutrition benefits with icons of fish, shrimp, salmon, and omega-3.
Infographic showing seafood nutrition benefits with icons of fish, shrimp, salmon, and omega-3.

Top 7 Best Seafood Options for Nutrition and Health

Not all seafood is created equal—some varieties are especially beneficial for their nutrient density and flavor. Here are the seven best seafood options to include in your diet:

1. Salmon

  • Rich, buttery flavor with a firm texture.

  • One of the best sources of omega-3 fatty acids.

  • Supports heart health, reduces inflammation, and improves brain function.

2. Tuna

  • Mild flavor and meaty texture, perfect for steaks, salads, and sushi.

  • High in lean protein, selenium, and vitamins B6 and B12.

  • A great choice for energy metabolism and immune support.

3. Sardines

  • Small, oily fish often eaten canned or grilled.

  • Packed with omega-3s and calcium (especially when eaten with bones).

  • Excellent for bone health and reducing the risk of cardiovascular diseases.

4. Shrimp

  • Sweet, delicate flavor with low calories and high protein.

  • Contains iodine, selenium, and antioxidants.

  • Supports thyroid health and boosts immunity.

5. Cod

  • Mild-flavored white fish with a flaky texture.

  • Rich in lean protein and vitamins B6 and B12.

  • Popular in baked dishes and classic fish and chips.

6. Mackerel

  • Bold, rich flavor with high omega-3 content.

  • Often smoked or grilled, pairs well with strong spices.

  • Supports brain function, reduces inflammation, and promotes heart health.

7. Oysters

  • Unique briny flavor, enjoyed raw or cooked.

  • Extremely high in zinc and vitamin B12.

  • Boosts immune function, energy production, and reproductive health.

Key Vitamins and Minerals in Seafood

Seafood is a powerhouse of essential nutrients, making it one of the most effective foods for optimal health. Here are some of the key vitamins and minerals found in popular seafood:

  • Omega-3 fatty acids – Found in salmon, sardines, and mackerel; supports heart, brain, and joint health.

  • Vitamin D – Vital for bone strength and immune function; abundant in fatty fish.

  • Vitamin B12 – Crucial for red blood cell formation and nervous system health; oysters and clams are top sources.

  • Selenium – A powerful antioxidant that protects cells; high in tuna and sardines.

  • Iodine – Essential for thyroid health; found in seaweed and shellfish.

  • Zinc – Strengthens immunity and aids wound healing; abundant in oysters.

  • Magnesium – Supports muscle and nerve function; found in shellfish and whole grains eaten with seafood.

How to Incorporate Seafood Into Your Diet

Adding seafood to your weekly meals doesn’t have to be complicated. Here are some simple and delicious ways to enjoy it:

  • Grilled or Baked Salmon – Marinate with lemon juice, olive oil, and herbs for a flavorful heart-healthy dish.

  • Shrimp Stir-Fry – Quick, protein-packed, and perfect with colorful vegetables and brown rice.

  • Tuna Salad – Combine canned tuna with chickpeas, cucumbers, and tahini for a Mediterranean-style meal.

  • Seafood Chowder – Clams or white fish in a creamy soup with vegetables for comfort and nutrition.

When choosing seafood, always consider sustainability. Opt for products certified by organizations like the Marine Stewardship Council (MSC) to support eco-friendly fishing practices and protect marine life.

Final Thoughts on Seafood and Nutrition

Seafood is more than just a delicious addition to your meals—it is a nutrient-rich superfood that supports heart health, brain function, bone strength, and overall wellness. By incorporating a variety of fish and shellfish into your diet, you can enjoy flavorful dishes while gaining powerful health benefits.

Whether it’s salmon for omega-3s, oysters for zinc, or sardines for calcium, the best seafood options are both versatile and nutritious. Choosing sustainable seafood ensures not only your health but also the future of our oceans.