Chicken Breast vs Mahi Mahi

Side-by-side macro comparison. Chicken Breast vs Mahi Mahi per their standard serving sizes.

Chicken Breast

per 100g cooked

165 cal
31g Protein
0g Carbs
3.6g Fat
Full Chicken Breast macros →
vs

Mahi Mahi

per 100g cooked

109 cal
23g Protein
0g Carbs
0.9g Fat
Full Mahi Mahi macros →

Macro Comparison Table

Macro Chicken Breast Mahi Mahi Difference
Calories 165 cal 109 cal +51% Chicken
Protein 31g 23g +35% Chicken
Carbs 0g 0g 0% Chicken
Fat 3.6g 0.9g +300% Chicken

Differences shown relative to Chicken Breast. Positive = Chicken Breast has more.

Quick Take

Chicken Breast delivers 165 calories per serving with 31g protein, 0g carbs, and 3.6g fat. Mahi Mahi delivers 109 calories with 23g protein, 0g carbs, and 0.9g fat. The most meaningful difference: Mahi Mahi saves 56 calories per serving — meaningful over a week of meals. For protein density per calorie, Mahi Mahi wins at 84% of calories from protein.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Mahi Mahi gives you 56 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Mahi Mahi delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Chicken Breast brings 165 calories — useful when you're chasing a surplus and struggling to eat enough. Chicken Breast delivers 31g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Both Chicken Breast and Mahi Mahi are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Chicken Breast or Mahi Mahi?

Chicken Breast has more protein: 31g vs 23g per serving. That's a difference of 8g.

Which has fewer calories, Chicken Breast or Mahi Mahi?

Mahi Mahi has 109 calories per serving vs 165 calories in Chicken Breast — a difference of 56 calories.

Is Chicken Breast or Mahi Mahi better for keto?

Mahi Mahi is the better keto choice at 0g carbs per serving vs 0g carbs in Chicken Breast.

Is Chicken Breast or Mahi Mahi better for weight loss?

For weight loss, Mahi Mahi gives you more calorie flexibility (56 cal less per serving). For preserving muscle during a deficit, Mahi Mahi delivers more protein per calorie. Most people on cuts benefit from Mahi Mahi.

Which Is Better for Your Goal?

🔥 Weight Loss

Mahi Mahi

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

Chicken Breast

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

tie

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

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Related Comparisons

Other ways Chicken Breast and Mahi Mahi stack up:

Full Chicken Breast guideFull Mahi Mahi guideAll comparisons