Crab vs Duck Breast (skinless)
Side-by-side macro comparison. Crab vs Duck Breast (skinless) per their standard serving sizes.
Duck Breast (skinless)
per 100g cooked
Macro Comparison Table
| Macro | Crab | Duck Breast (skinless) | Difference |
|---|---|---|---|
| Calories | 87 cal | 140 cal | -38% Crab |
| Protein | 18g | 23g | -22% Crab |
| Carbs | 0g | 0g | 0% Crab |
| Fat | 1.1g | 5g | -78% Crab |
Differences shown relative to Crab. Positive = Crab has more.
Quick Take
Crab delivers 87 calories per serving with 18g protein, 0g carbs, and 1.1g fat. Duck Breast (skinless) delivers 140 calories with 23g protein, 0g carbs, and 5g fat. The most meaningful difference: Crab saves 53 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, Crab gives you 53 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), Crab 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. Duck Breast (skinless) 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 Crab and Duck Breast (skinless) are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Crab or Duck Breast (skinless)?
Duck Breast (skinless) has more protein: 23g vs 18g per serving. That's a difference of 5g.
Which has fewer calories, Crab or Duck Breast (skinless)?
Crab has 87 calories per serving vs 140 calories in Duck Breast (skinless) — a difference of 53 calories.
Is Crab or Duck Breast (skinless) better for keto?
Duck Breast (skinless) is the better keto choice at 0g carbs per serving vs 0g carbs in Crab.
Is Crab or Duck Breast (skinless) better for weight loss?
For weight loss, Crab gives you more calorie flexibility (53 cal less per serving). For preserving muscle during a deficit, Crab delivers more protein per calorie. Most people on cuts benefit from Crab.
Which Is Better for Your Goal?
🔥 Weight Loss
Crab
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Duck Breast (skinless)
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:
→ Calculate My Macros (Free)Related Comparisons
Other ways Crab and Duck Breast (skinless) stack up:
Full Crab guide • Full Duck Breast (skinless) guide • All comparisons