Impossible Burger vs Tuna
Side-by-side macro comparison. Impossible Burger vs Tuna per their standard serving sizes.
Impossible Burger
per 4oz patty, 113g
Macro Comparison Table
| Macro | Impossible Burger | Tuna | Difference |
|---|---|---|---|
| Calories | 240 cal | 116 cal | +107% Impossible |
| Protein | 19g | 26g | -27% Impossible |
| Carbs | 9g | 0g | 0% Impossible |
| Fat | 14g | 0.8g | +1650% Impossible |
Differences shown relative to Impossible Burger. Positive = Impossible Burger has more.
Quick Take
Impossible Burger delivers 240 calories per serving with 19g protein, 9g carbs, and 14g fat. Tuna delivers 116 calories with 26g protein, 0g carbs, and 0.8g fat. The most meaningful difference: Tuna saves 124 calories per serving — meaningful over a week of meals. For protein density per calorie, Tuna wins at 90% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Tuna gives you 124 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. Impossible Burger brings 240 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 Impossible Burger and Tuna are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Impossible Burger or Tuna?
Tuna has more protein: 26g vs 19g per serving. That's a difference of 7g.
Which has fewer calories, Impossible Burger or Tuna?
Tuna has 116 calories per serving vs 240 calories in Impossible Burger — a difference of 124 calories.
Is Impossible Burger or Tuna better for keto?
Tuna is the better keto choice at 0g carbs per serving vs 9g carbs in Impossible Burger.
Is Impossible Burger or Tuna better for weight loss?
For weight loss, Tuna gives you more calorie flexibility (124 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
Tuna
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 Impossible Burger and Tuna stack up:
Full Impossible Burger guide • Full Tuna guide • All comparisons