Canned Tuna (in water) vs String Cheese
Side-by-side macro comparison. Canned Tuna (in water) vs String Cheese per their standard serving sizes.
Canned Tuna (in water)
per 1 can (142g drained)
Macro Comparison Table
| Macro | Canned Tuna (in water) | String Cheese | Difference |
|---|---|---|---|
| Calories | 130 cal | 80 cal | +63% Canned |
| Protein | 27g | 7g | +286% Canned |
| Carbs | 0g | 1g | -100% Canned |
| Fat | 1g | 6g | -83% 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. String Cheese delivers 80 calories with 7g protein, 1g carbs, and 6g fat. The most meaningful difference: String Cheese saves 50 calories per serving — meaningful over a week of meals. For protein density per calorie, Canned Tuna (in water) wins at 83% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, String Cheese gives you 50 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. Canned Tuna (in water) brings 130 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 String Cheese are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Canned Tuna (in water) or String Cheese?
Canned Tuna (in water) has more protein: 27g vs 7g per serving. That's a difference of 20g.
Which has fewer calories, Canned Tuna (in water) or String Cheese?
String Cheese has 80 calories per serving vs 130 calories in Canned Tuna (in water) — a difference of 50 calories.
Is Canned Tuna (in water) or String Cheese better for keto?
Canned Tuna (in water) is the better keto choice at 0g carbs per serving vs 1g carbs in String Cheese.
Is Canned Tuna (in water) or String Cheese better for weight loss?
For weight loss, String Cheese gives you more calorie flexibility (50 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
Canned Tuna (in water)
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 Canned Tuna (in water) and String Cheese stack up:
Full Canned Tuna (in water) guide • Full String Cheese guide • All comparisons