Tofu vs Tuna
Side-by-side macro comparison. Tofu vs Tuna per their standard serving sizes.
Macro Comparison Table
| Macro | Tofu | Tuna | Difference |
|---|---|---|---|
| Calories | 144 cal | 116 cal | +24% Tofu |
| Protein | 17g | 26g | -35% Tofu |
| Carbs | 3g | 0g | 0% Tofu |
| Fat | 9g | 0.8g | +1025% Tofu |
Differences shown relative to Tofu. Positive = Tofu has more.
Quick Take
Tofu delivers 144 calories per serving with 17g protein, 3g carbs, and 9g fat. Tuna delivers 116 calories with 26g protein, 0g carbs, and 0.8g fat. The most meaningful difference: they're within 28 calories per serving, so calorie load is essentially equivalent. 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 28 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. Tofu brings 144 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 Tofu and Tuna are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Tofu or Tuna?
Tuna has more protein: 26g vs 17g per serving. That's a difference of 9g.
Which has fewer calories, Tofu or Tuna?
Tuna has 116 calories per serving vs 144 calories in Tofu — a difference of 28 calories.
Is Tofu or Tuna better for keto?
Tuna is the better keto choice at 0g carbs per serving vs 3g carbs in Tofu.
Is Tofu or Tuna better for weight loss?
For weight loss, Tuna gives you more calorie flexibility (28 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
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