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How much protein is in 100g of chicken breast? A comprehensive nutritional guide

3 min read

On average, a 100g serving of cooked, skinless chicken breast contains approximately 31 grams of high-quality protein. This makes chicken breast a powerhouse ingredient for those looking to maximize their protein intake, understand how much protein is in 100g of chicken breast, and fuel their fitness goals effectively.

Quick Summary

Get the precise protein content of 100g of chicken breast, a full breakdown of its nutritional value, and its comparison to other popular protein sources for diet and fitness.

Key Points

  • High Protein per Weight: 100g of cooked, skinless chicken breast provides approximately 31g of protein, making it an extremely dense source.

  • Low Calorie: At around 165 calories per 100g cooked, chicken breast is ideal for weight management due to its high satiety.

  • Complete Protein: It contains all nine essential amino acids necessary for muscle repair and growth.

  • Preparation Matters: Cooking methods that don't add extra fat, such as grilling or baking, maintain its lean profile.

  • Versatile and Nutrient-Dense: Besides protein, it offers essential nutrients like B vitamins, selenium, and phosphorus.

  • Raw vs. Cooked: Measuring cooked chicken provides a more accurate protein count per 100g, as water loss concentrates the nutrients.

In This Article

Understanding the Protein Content

The protein content in 100g of chicken breast can vary slightly depending on how it's prepared. The most significant factor is whether the weight is measured raw or cooked. When chicken is cooked, it loses water, which concentrates the nutrients, including protein. This is a crucial detail for anyone meticulously tracking their macronutrients.

  • Cooked Chicken Breast: A 100g (3.5 oz) serving of boneless, skinless, cooked chicken breast contains around 31 grams of protein and roughly 165 calories. Cooking methods like grilling, roasting, or boiling cause the water content to decrease, which is why the protein concentration per 100g increases. This high protein-to-calorie ratio is what makes it a staple in fitness-focused diets.
  • Raw Chicken Breast: In contrast, 100g of raw, skinless chicken breast contains a lower protein count, typically around 22 grams, and about 120 calories. This is because the raw meat still holds its water content. For accurate tracking, it is best to measure the chicken after it has been cooked.

The Complete Nutritional Breakdown

Beyond its high protein content, 100g of chicken breast offers a balanced and beneficial nutritional profile, making it a healthy addition to almost any diet. It is a complete protein, meaning it contains all nine essential amino acids that the body cannot produce on its own.

Macronutrients

In a 100g serving of cooked, skinless chicken breast, you can expect the following macronutrient breakdown:

  • Protein: ~31g
  • Fat: ~3.6g
  • Carbohydrates: 0g
  • Calories: ~165 kcal

This composition shows that the majority of calories in chicken breast come from protein, with a very low fat and zero-carb count. This lean profile is perfect for those managing their weight or building lean muscle mass.

Micronutrients

Chicken breast is also a good source of several essential vitamins and minerals:

  • B Vitamins: Rich in Niacin (B3) and Vitamin B6, which are vital for energy metabolism and brain function.
  • Selenium: A potent antioxidant that helps reduce inflammation and supports immune function.
  • Phosphorus: Important for strong bones and teeth.
  • Zinc: Supports the immune system and plays a role in cell growth and repair.

Comparison: Chicken Breast vs. Other Protein Sources

To put its protein density into perspective, here is a comparison table featuring 100g servings of cooked protein sources.

Protein Source (100g, Cooked) Approximate Protein (g) Approximate Calories (kcal)
Chicken Breast (Skinless) 31-32g 165
Chicken Thigh (Skinless) 25g 176
Lean Beef 21.7g ~200
Salmon 20g 210
Tofu (Firm) 9g 76

As the table shows, chicken breast offers a superior protein yield per 100g compared to most other common protein choices, particularly other cuts of chicken and fatty meats. This makes it an efficient protein source, especially when calorie intake is a consideration.

Maximizing the Nutritional Benefits

How you cook your chicken breast can significantly impact its overall health benefits. For the leanest, most nutritious outcome, consider the following:

  • Choose the right cooking method: Grilling, baking, boiling, and roasting are excellent low-fat cooking methods. They require minimal added oils and result in a clean protein source.
  • Avoid skin and breading: The nutritional data for 100g of chicken breast assumes it is skinless. The skin adds considerable fat and calories. Frying or adding breading also drastically increases the fat and calorie count.
  • Pair with complementary foods: To create a balanced meal, pair chicken breast with complex carbohydrates like brown rice or quinoa and healthy fats from avocado or olive oil. This supports muscle recovery and hormone function.
  • Ensure it is cooked thoroughly: All poultry should be cooked to a safe internal temperature of 165°F (74°C) to eliminate harmful bacteria like Salmonella.

Conclusion: A Fitness Staple for Good Reason

For anyone focusing on a high-protein diet for muscle building, weight loss, or general health, 100g of cooked, skinless chicken breast is a top-tier choice. With roughly 31 grams of complete protein per serving and a low-calorie profile, it is one of the most efficient ways to meet daily protein goals. Its versatility and rich nutrient content further solidify its position as a go-to for athletes and health-conscious individuals alike. By understanding how preparation affects its nutritional value and making smart cooking choices, you can fully leverage the impressive benefits of this dietary staple. For additional information on dietary guidelines, consult reputable resources like the National Chicken Council, as mentioned in search results.

Frequently Asked Questions

Cooked chicken breast has more protein per 100g because the cooking process removes water, which concentrates the protein content. A 100g serving of cooked chicken breast has about 31g of protein, while the same raw amount has about 22g.

Yes, chicken breast is a complete protein source, meaning it provides all nine of the essential amino acids that your body cannot produce on its own.

Yes, chicken breast is excellent for building muscle due to its high-quality, complete protein content, which provides the amino acids needed for muscle repair and growth.

Yes, skinless chicken breast is very low in fat. A 100g serving of cooked, skinless chicken breast contains only about 3.6g of fat.

Chicken breast is lower in calories than chicken thigh. A 100g cooked serving of skinless chicken breast has about 165 calories, while a similarly prepared chicken thigh has around 176 calories.

Frying chicken breast doesn't reduce its protein, but it significantly increases the fat and calorie content due to the added oil and breading. To keep it lean, opt for baking, grilling, or boiling.

Yes, eating 100g of lean, skinless chicken breast daily as part of a balanced diet is generally considered safe and can be a great way to meet your protein needs.

References

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Medical Disclaimer

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