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How much protein is in 3 oz of flounder?

4 min read

According to USDA data for cooked flounder, a standard 3-ounce serving of this popular fish provides approximately 13 grams of high-quality, lean protein. This makes flounder an excellent, low-calorie option for anyone looking to boost their protein intake without adding significant fat or carbohydrates to their diet.

Quick Summary

A 3-ounce portion of cooked flounder typically contains around 13 grams of protein, a valuable addition to a balanced diet. This lean fish is also low in calories and a source of essential nutrients like selenium and B vitamins, making it a healthy choice.

Key Points

  • 13 grams of protein: A 3-ounce serving of cooked flounder provides approximately 13 grams of high-quality, lean protein.

  • Low in calories: A 3-ounce portion of cooked flounder is typically very low in calories, often under 100, making it ideal for weight management.

  • Versatile cooking: Flounder can be easily prepared by baking, steaming, or pan-searing, which helps to preserve its nutritional value.

  • Complete protein source: Flounder is a complete protein, containing all the essential amino acids needed for muscle repair and overall health.

  • Rich in micronutrients: Beyond protein, flounder is a good source of selenium, vitamin B12, and vitamin D.

In This Article

Understanding the Protein Content in 3 oz of Flounder

For many health-conscious individuals, seafood is a preferred source of protein due to its lean nature and nutritional benefits. When it comes to flounder, a delicate and mild-flavored fish, the protein content is a key factor. The precise amount can vary slightly based on how it's prepared, but a standard 3-ounce serving offers a substantial protein boost. This section explores the details of that protein and other important nutritional information.

Raw vs. Cooked Flounder: A Protein Perspective

It's important to differentiate between the nutritional value of raw and cooked fish, as cooking methods can change the concentration of nutrients. When moisture is removed during cooking, the protein and calorie content becomes more concentrated by weight.

  • Raw Flounder: A 3-ounce serving of raw flounder contains approximately 11 grams of protein.
  • Cooked Flounder (dry heat): A 3-ounce serving of cooked flounder (such as baked or broiled) contains about 13 grams of protein.

This difference highlights why it's crucial to specify the preparation method when discussing nutritional data. The cooked version offers a slightly higher protein-to-weight ratio due to the loss of water during the cooking process.

Other Nutritional Highlights of Flounder

Beyond its notable protein count, flounder is celebrated for its other health benefits. It is a very lean fish, meaning it's low in fat and calories, making it a great option for weight management. A 3-ounce serving of cooked flounder is typically under 100 calories. Additionally, flounder is a good source of several essential vitamins and minerals, including:

  • Selenium: An important mineral for thyroid and metabolic health.
  • Vitamin B12: Crucial for nerve function and DNA production.
  • Vitamin D: Supports bone health and immune function.
  • Omega-3 Fatty Acids: While not as high as fatty fish like salmon, flounder does contain some beneficial omega-3s.

Flounder vs. Other Common Fish: A Protein Comparison

To put the protein content of flounder into perspective, it's helpful to compare it to other popular seafood options. Here's a comparison based on a cooked 3-ounce serving:

Fish Type Protein (per 3 oz cooked) Calories (per 3 oz cooked) Key Differences
Flounder ~13 grams ~73 calories Very lean, delicate flavor. Low calorie density.
Cod ~19 grams ~90 calories Higher protein content, also very lean and mild.
Haddock ~20 grams ~90 calories Slightly higher protein than flounder, lean with firm texture.
Salmon ~22 grams ~120+ calories (varies) Higher protein and much higher fat and calories due to its rich omega-3 content.
Tilapia ~21 grams ~100 calories Similar protein to haddock, but with a milder taste and lower fat content.

From this table, we can see that while flounder has a solid protein count, other lean white fish like cod and haddock offer slightly more. However, flounder remains a standout choice for its low-calorie density and subtle taste, making it incredibly versatile for various preparations.

Simple and Healthy Ways to Prepare Flounder

To get the most nutritional value from your flounder, it's best to use cooking methods that don't add excessive fat or calories. Steaming, baking, and broiling are excellent choices.

  • Baked Lemon-Garlic Flounder: Place fillets in a baking dish, top with lemon slices, minced garlic, and a sprinkle of herbs like parsley or thyme. Bake until the fish flakes easily. This preserves the delicate flavor and keeps it low-calorie.
  • Flounder Packets: Create foil packets with flounder fillets, asparagus spears, and a drizzle of olive oil. Season with salt, pepper, and red pepper flakes for a spicy kick. Bake until cooked through for a quick and mess-free meal.
  • Pan-Seared: Lightly coat the fillets in a seasoned almond flour mix and pan-sear with a small amount of healthy oil. This gives a satisfyingly crispy exterior while keeping the inside moist and tender.

Considerations for Different Diets

Flounder is a versatile protein that fits into many dietary patterns. For those following a ketogenic diet, flounder provides excellent protein without carbs, especially when cooked with a keto-friendly crust. For individuals on a weight management plan, its low-calorie and high-protein profile helps promote feelings of fullness. It is also suitable for pescatarian diets and is often recommended as a healthy alternative to red meat.

Conclusion

In summary, a 3-ounce serving of cooked flounder provides approximately 13 grams of high-quality protein, along with a range of other vital nutrients like selenium and B vitamins. Its status as a lean, low-calorie seafood option makes it an exceptional choice for anyone aiming to improve their nutrition. By choosing simple and healthy cooking methods, you can enjoy all the benefits of this delicious and versatile fish without compromising your dietary goals.

Is flounder a complete protein?

Yes, flounder contains all nine essential amino acids that the human body cannot produce on its own, making it a complete protein source. This means it provides the building blocks necessary for muscle repair and growth.

How does the protein in flounder compare to chicken?

A 3-ounce serving of cooked chicken breast contains roughly 26 grams of protein, significantly more than the 13 grams in a similar portion of cooked flounder. However, flounder is also lower in calories, making it a great option for those focusing on calorie density.

Frequently Asked Questions

A 3-ounce serving of cooked flounder contains approximately 73 calories, while a raw serving has about 60 calories.

Flounder is a very low-fat fish. A 3-ounce cooked portion contains a minimal amount of total fat and is also low in saturated fat.

A 3-ounce serving of raw flounder has about 11 grams of protein, while the same size serving, cooked using dry heat, yields around 13 grams of protein. The cooked version is more concentrated.

Yes, flounder's high-quality, easily digestible protein makes it a good option for muscle repair and growth, especially as part of a balanced diet.

While it contains some omega-3 fatty acids, flounder is not as rich a source as fatty fish like salmon or mackerel. It is still a healthy choice for overall nutrition.

Yes, flounder is an excellent protein source for a ketogenic diet, as it is very low in carbohydrates. Using keto-friendly preparation methods makes it a perfect fit.

The Dietary Guidelines for Americans recommend that most people consume at least 8 ounces of seafood per week to reap its health benefits.

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Medical Disclaimer

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