Mushrooms vs Tuna

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

Mushrooms

per 1 cup sliced (70g)

15 cal
2.2g Protein
2.3g Carbs
0.2g Fat
Full Mushrooms 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 Mushrooms Tuna Difference
Calories 15 cal 116 cal -87% Mushrooms
Protein 2.2g 26g -92% Mushrooms
Carbs 2.3g 0g 0% Mushrooms
Fat 0.2g 0.8g -75% Mushrooms

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

Quick Take

Mushrooms delivers 15 calories per serving with 2.2g protein, 2.3g carbs, and 0.2g fat. Tuna delivers 116 calories with 26g protein, 0g carbs, and 0.8g fat. The most meaningful difference: Mushrooms saves 101 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, Mushrooms gives you 101 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 Mushrooms and Tuna are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Mushrooms or Tuna?

Tuna has more protein: 26g vs 2.2g per serving. That's a difference of 23.8g.

Which has fewer calories, Mushrooms or Tuna?

Mushrooms has 15 calories per serving vs 116 calories in Tuna — a difference of 101 calories.

Is Mushrooms or Tuna better for keto?

Tuna is the better keto choice at 0g carbs per serving vs 2.3g carbs in Mushrooms.

Is Mushrooms or Tuna better for weight loss?

For weight loss, Mushrooms gives you more calorie flexibility (101 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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Related Comparisons

Other ways Mushrooms and Tuna stack up:

Full Mushrooms guideFull Tuna guideAll comparisons