Cod vs Tuna

Side-by-side macro comparison. Cod vs Tuna per their standard serving sizes.

Cod

per 100g cooked

105 cal
23g Protein
0g Carbs
0.9g Fat
Full Cod macros →
vs

Tuna

per 100g canned in water, drained

116 cal
26g Protein
0g Carbs
0.8g Fat
Full Tuna macros →

Macro Comparison Table

Macro Cod Tuna Difference
Calories 105 cal 116 cal -9% Cod
Protein 23g 26g -12% Cod
Carbs 0g 0g 0% Cod
Fat 0.9g 0.8g +12% Cod

Differences shown relative to Cod. Positive = Cod has more.

Quick Take

Cod delivers 105 calories per serving with 23g protein, 0g carbs, and 0.9g fat. Tuna delivers 116 calories with 26g protein, 0g carbs, and 0.8g fat. The most meaningful difference: they're within 11 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, Cod gives you 11 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), Tuna delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Tuna brings 116 calories — useful when you're chasing a surplus and struggling to eat enough. Tuna delivers 26g 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 Cod and Tuna are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Cod or Tuna?

Tuna has more protein: 26g vs 23g per serving. That's a difference of 3g.

Which has fewer calories, Cod or Tuna?

Cod has 105 calories per serving vs 116 calories in Tuna — a difference of 11 calories.

Is Cod or Tuna better for keto?

Tuna is the better keto choice at 0g carbs per serving vs 0g carbs in Cod.

Is Cod or Tuna better for weight loss?

For weight loss, Cod gives you more calorie flexibility (11 cal less per serving). For preserving muscle during a deficit, Tuna delivers more protein per calorie. Most people on cuts benefit from Tuna.

Which Is Better for Your Goal?

🔥 Weight Loss

Tuna

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

💪 Muscle Gain

Tuna

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 Cod and Tuna stack up:

Full Cod guideFull Tuna guideAll comparisons