Duck Breast (skinless) vs Mahi Mahi
Side-by-side macro comparison. Duck Breast (skinless) vs Mahi Mahi per their standard serving sizes.
Duck Breast (skinless)
per 100g cooked
Macro Comparison Table
| Macro | Duck Breast (skinless) | Mahi Mahi | Difference |
|---|---|---|---|
| Calories | 140 cal | 109 cal | +28% Duck |
| Protein | 23g | 23g | 0% Duck |
| Carbs | 0g | 0g | 0% Duck |
| Fat | 5g | 0.9g | +456% Duck |
Differences shown relative to Duck Breast (skinless). Positive = Duck Breast (skinless) has more.
Quick Take
Duck Breast (skinless) delivers 140 calories per serving with 23g protein, 0g carbs, and 5g fat. Mahi Mahi delivers 109 calories with 23g protein, 0g carbs, and 0.9g fat. The most meaningful difference: Mahi Mahi saves 31 calories per serving — meaningful over a week of meals. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Mahi Mahi gives you 31 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. Duck Breast (skinless) brings 140 calories — useful when you're chasing a surplus and struggling to eat enough. Mahi Mahi delivers 23g 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 Duck Breast (skinless) and Mahi Mahi are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Duck Breast (skinless) or Mahi Mahi?
Mahi Mahi has more protein: 23g vs 23g per serving. That's a difference of 0g.
Which has fewer calories, Duck Breast (skinless) or Mahi Mahi?
Mahi Mahi has 109 calories per serving vs 140 calories in Duck Breast (skinless) — a difference of 31 calories.
Is Duck Breast (skinless) or Mahi Mahi better for keto?
Mahi Mahi is the better keto choice at 0g carbs per serving vs 0g carbs in Duck Breast (skinless).
Is Duck Breast (skinless) or Mahi Mahi better for weight loss?
For weight loss, Mahi Mahi gives you more calorie flexibility (31 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
tie
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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Other ways Duck Breast (skinless) and Mahi Mahi stack up:
Full Duck Breast (skinless) guide • Full Mahi Mahi guide • All comparisons