Skip to content

How much protein is in 8 oz of halibut?

4 min read

According to nutritional data, an 8-ounce serving of raw Pacific and Atlantic halibut contains an impressive 42 grams of high-quality protein. This makes halibut an excellent choice for anyone looking to increase their protein intake, support muscle repair, and boost overall health.

Quick Summary

An 8-ounce serving of halibut provides a significant amount of protein, with variations depending on whether it is raw or cooked. The whitefish is also a good source of vitamins, minerals, and healthy fats like omega-3s, making it a nutritious addition to any diet.

Key Points

  • High Protein Count: An 8 oz serving of raw halibut contains approximately 42 grams of protein, a significant amount for daily intake.

  • Complete Protein: Halibut is a complete protein, meaning it provides all nine essential amino acids the body needs for repair and growth.

  • Preparation Affects Metrics: The exact protein content and calorie count can vary slightly when cooked, as water is lost and nutrients become more concentrated.

  • Rich in Micronutrients: Beyond protein, halibut is an excellent source of essential minerals like selenium, potassium, and phosphorus.

  • Contains Omega-3s: Halibut offers beneficial omega-3 fatty acids (EPA and DHA), which are important for heart and brain health.

  • Versatile and Lean: As a lean fish, halibut is a great protein choice that can be prepared in various healthy ways, such as baking or grilling.

In This Article

Nutritional Breakdown of an 8 oz Halibut Fillet

The protein content in an 8-ounce (approximately 227-gram) portion of halibut is substantial, but it can vary slightly based on the cooking method. A raw, 8-ounce portion contains about 42 grams of high-quality protein. This is a significant amount that can help most individuals meet their daily protein needs, especially for those who are physically active or looking to build muscle. When cooked, the protein amount per ounce can increase due to the loss of water during the cooking process. For example, some sources indicate that an 8-ounce cooked fillet of Atlantic halibut contains around 38 grams of protein, while others specify 42 grams for a cooked portion. This difference highlights the importance of checking preparation methods when calculating nutritional intake.

Raw vs. Cooked Halibut: What’s the Difference?

The protein content of halibut changes slightly when cooked. When heat is applied, water evaporates from the fish, causing its mass to decrease and concentrating the nutrients. This means that a cooked 8-ounce fillet will have more protein per gram than a raw one, even though the total protein amount might vary slightly depending on the exact preparation method. For instance, an 8-ounce raw halibut fillet contains approximately 206 calories and 42 grams of protein, while an 8-ounce cooked Atlantic halibut fillet could contain around 353 calories and 38 grams of protein. The caloric difference often comes from the addition of fats or oils during cooking.

The Complete Protein Package

Halibut is considered a 'complete protein' because it contains all nine of the essential amino acids that the human body cannot produce on its own. These amino acids are the building blocks of protein and are crucial for numerous bodily functions, including:

  • Muscle repair and growth: Essential for athletes and anyone engaging in regular physical activity.
  • Enzyme production: Many enzymes, which regulate metabolic processes, are proteins.
  • Hormone synthesis: Hormones like insulin are protein-based and vital for communication within the body.
  • Immune function: Antibodies are proteins that help fight off infections and illnesses.
  • Tissue maintenance: Protein is necessary for the constant repair and maintenance of all body tissues.

Beyond Protein: Other Nutritional Benefits of Halibut

While its protein content is a major draw, halibut offers a wide range of other nutritional benefits that contribute to a healthy diet. It is a lean fish, meaning it provides substantial protein without excessive fat or calories.

Rich in Micronutrients

Halibut is packed with important vitamins and minerals, including:

  • Selenium: An 8-ounce serving of raw halibut provides an exceptional amount of selenium, which acts as a powerful antioxidant.
  • Vitamin D: Halibut is a good source of Vitamin D, which is essential for bone health and immune function.
  • Potassium: It is also high in potassium, an important electrolyte that plays a key role in regulating blood pressure.
  • Vitamin B12: This vitamin is crucial for nerve function and the formation of red blood cells.
  • Phosphorus: An essential mineral for strong bones and teeth.

Omega-3 Fatty Acids

Halibut contains beneficial omega-3 fatty acids, specifically EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). These fats are well-known for their anti-inflammatory properties and their positive effects on heart health. They can help reduce the risk of heart disease, lower triglycerides, and support brain health.

Halibut vs. Other Protein Sources

To put halibut's protein content into perspective, let's compare an 8-ounce portion to other common protein sources.

Protein Source Portion Size Approximate Protein (grams) Notes
Halibut (raw) 8 oz (227 g) ~42 g Complete, high-quality protein; rich in micronutrients.
Chicken Breast 8 oz (cooked) ~60-70 g Dependant on skin and preparation; also a complete protein.
Salmon 8 oz (cooked) ~45-50 g High in protein and very rich in omega-3 fatty acids.
Lean Beef Steak 8 oz (cooked) ~60 g Excellent protein source, but higher in saturated fat.
Tofu (Firm) 8 oz (227 g) ~30-40 g Plant-based source; lower in saturated fat.

Considerations for Sourcing and Preparation

When choosing halibut, it's wise to consider whether you are buying wild-caught or farmed fish. Wild Alaskan or Pacific halibut is often preferred due to its sustainability and higher quality. Proper preparation is key to maximizing both the flavor and nutritional value of the fish. Halibut's lean, firm flesh makes it ideal for baking, grilling, and broiling, which require minimal added fats.

Conclusion: The Final Takeaway on Halibut Protein

An 8-ounce serving of halibut is a powerful protein source, providing around 42 grams in its raw form. This high-quality protein is paired with a host of other vital nutrients, including significant levels of selenium, Vitamin D, and heart-healthy omega-3 fatty acids. By incorporating this lean and nutrient-dense fish into your diet, you can support muscle health, boost your intake of essential vitamins and minerals, and contribute to overall wellness. The versatility of halibut in the kitchen makes it an easy and delicious addition to any healthy meal plan.

Check out the benefits of complete proteins for your diet

Frequently Asked Questions

Cooking does not increase the total protein in a fillet, but it does remove water, which concentrates the nutrients. Therefore, a cooked 8 oz portion will have a higher protein density per gram compared to a raw 8 oz portion.

Yes, halibut is an excellent source of high-quality, complete protein, which is essential for muscle repair, recovery, and growth, making it a great addition to a muscle-building diet.

While the exact nutritional content can vary slightly between individual fish, both Atlantic and Pacific halibut provide a similar, high amount of quality protein per serving.

An 8 oz serving of halibut has a comparable protein level to a similar-sized serving of chicken breast, but halibut often has a more favorable fat profile, including omega-3s.

In addition to protein, halibut is rich in selenium, potassium, phosphorus, and vitamins B12 and D. It also contains healthy omega-3 fatty acids.

Wild-caught halibut is often favored for its potentially higher nutrient density and better fat profile compared to farmed fish, though both are excellent sources of protein.

Yes, the high protein content in halibut promotes satiety, helping you feel full longer. This can aid in controlling calorie intake and supporting weight management goals.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.