Best Fish for a High-Protein Diet
March 14, 2025•By CJ

Top 5 Fish for a High-Protein Diet
If you're following a high-protein diet, fish is one of the best sources of lean, healthy protein. Packed with essential nutrients like omega-3 fatty acids, vitamins, and minerals, fish helps support muscle growth, weight management, and overall well-being. Here are the top five fish that deliver the most protein per serving.
1. Tuna
- Protein Content: ~30g per 100g (varies by type)
- Why It’s Great: Tuna is a powerhouse of protein with very little fat, making it perfect for bodybuilders and those looking to build lean muscle. It's also rich in B vitamins and omega-3s, which support heart health.
- Best Ways to Eat: Fresh tuna steaks, canned tuna in salads, or grilled tuna fillets.
2. Salmon
- Protein Content: ~25g per 100g
- Why It’s Great: While slightly lower in protein than tuna, salmon makes up for it with its high omega-3 content, which supports brain health and reduces inflammation. It’s also a great source of vitamin D.
- Best Ways to Eat: Grilled salmon fillets, baked with herbs, or in poke bowls.
3. Halibut
- Protein Content: ~23g per 100g
- Why It’s Great: Halibut is a firm white fish that offers a great protein boost with a mild flavor. It’s low in fat and high in selenium, which helps protect cells from damage.
- Best Ways to Eat: Baked with lemon and garlic, pan-seared, or in fish tacos.
4. Cod
- Protein Content: ~20g per 100g
- Why It’s Great: Cod is a lean, low-calorie fish that provides a good dose of protein without added fat. It’s an excellent option for those focusing on weight loss or lean muscle gain.
- Best Ways to Eat: Baked with spices, in fish chowder, or lightly pan-fried.
5. Mackerel
- Protein Content: ~21g per 100g
- Why It’s Great: Mackerel is not only rich in protein but also loaded with healthy fats, which are great for heart and brain health. It also contains high levels of vitamin B12 and iron.
- Best Ways to Eat: Smoked mackerel, grilled fillets, or in a hearty fish stew.
Final Thoughts
If you're aiming to up your protein intake, incorporating these nutrient-rich fish into your diet is a great way to do it. Whether you prefer grilled salmon, canned tuna, or a simple cod fillet, these options will help you reach your fitness and health goals while enjoying delicious seafood meals.
For more seafood recipes and nutrition tips, check out our recipes section.
Happy cooking!