Canned Tuna (in water) vs Duck Breast (skinless)

Side-by-side macro comparison. Canned Tuna (in water) vs Duck Breast (skinless) per their standard serving sizes.

Canned Tuna (in water)

per 1 can (142g drained)

130 cal
27g Protein
0g Carbs
1g Fat
Full Canned Tuna (in water) macros →
vs

Duck Breast (skinless)

per 100g cooked

140 cal
23g Protein
0g Carbs
5g Fat
Full Duck Breast (skinless) macros →

Macro Comparison Table

Macro Canned Tuna (in water) Duck Breast (skinless) Difference
Calories 130 cal 140 cal -7% Canned
Protein 27g 23g +17% Canned
Carbs 0g 0g 0% Canned
Fat 1g 5g -80% Canned

Differences shown relative to Canned Tuna (in water). Positive = Canned Tuna (in water) has more.

Quick Take

Canned Tuna (in water) delivers 130 calories per serving with 27g protein, 0g carbs, and 1g fat. Duck Breast (skinless) delivers 140 calories with 23g protein, 0g carbs, and 5g fat. The most meaningful difference: they're within 10 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Canned Tuna (in water) gives you 10 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), Canned Tuna (in water) 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. Canned Tuna (in water) delivers 27g 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 Canned Tuna (in water) and Duck Breast (skinless) are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Canned Tuna (in water) or Duck Breast (skinless)?

Canned Tuna (in water) has more protein: 27g vs 23g per serving. That's a difference of 4g.

Which has fewer calories, Canned Tuna (in water) or Duck Breast (skinless)?

Canned Tuna (in water) has 130 calories per serving vs 140 calories in Duck Breast (skinless) — a difference of 10 calories.

Is Canned Tuna (in water) or Duck Breast (skinless) better for keto?

Duck Breast (skinless) is the better keto choice at 0g carbs per serving vs 0g carbs in Canned Tuna (in water).

Is Canned Tuna (in water) or Duck Breast (skinless) better for weight loss?

For weight loss, Canned Tuna (in water) gives you more calorie flexibility (10 cal less per serving). For preserving muscle during a deficit, Canned Tuna (in water) delivers more protein per calorie. Most people on cuts benefit from Canned Tuna (in water).

Which Is Better for Your Goal?

🔥 Weight Loss

Canned Tuna (in water)

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

💪 Muscle Gain

Canned Tuna (in water)

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 Canned Tuna (in water) and Duck Breast (skinless) stack up:

Full Canned Tuna (in water) guideFull Duck Breast (skinless) guideAll comparisons