KETO VERDICTYES
Tuna is excellent for keto with 0g net carbs per 100g. It’s a lean, protein-dense fish perfect for quick meals—just add healthy fats (mayo-avocado, olive-oil) for macro balance. Canned tuna is convenient for meal prep.
Is Tuna Keto?
Fish
YOUR PORTION
How much are you having?
Scale the published reference values to your portion.
Per 100 g (as listed by source). Curated estimate; estimated values.
How this is calculated
total carbohydrate - fiber. Each published value is multiplied by your portion divided by the reference amount. No extra fiber, sugar alcohol or allulose deductions are applied here.
Grams and milliliters are not interchangeable. Household measures require a food-specific conversion; check your scale or product label.
0gnet carbs in your portion
- Total carbs
- 0g
- Fiber
- 0g
- Protein
- 29.9g
- Fat
- 0.5g
- Calories
- 122
Tuna is excellent for keto with 0g net carbs per 100g. It’s a lean, protein-dense fish perfect for quick meals—just add healthy fats (mayo-avocado, olive-oil) for macro balance. Canned tuna is convenient for meal prep.
- Net carbs (100 g)0g
- Protein (100 g)29.9g
- Fat (100 g)0.5g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100 g (as listed by source)
Net Carbs
0g
Total Carbs
0g
Fiber
0g
Protein
29.9g
Fat
0.5g
Calories
122
Source: Curated estimate
Source fit: curated estimate; not an exact source match
Net-carb calculation: total carbohydrate - fiber
A USDA reference record exists, but the displayed basis or macros do not directly reproduce it, so KetoLens does not attribute these values to USDA. Check the current label for packaged products.
Nutrition record reviewed 2026-07-09. Maintained by KetoLens Team.
WHY IT'S KETO-FRIENDLY
- Zero net carbs: Perfect fit for strict keto
- Exceptionally high protein: ~30g/100g supports muscle retention
- Very lean base: Easy to pair with fats (mayo, olive-oil) to hit macros
- Shelf-stable canned options simplify meal prep and travel
- Fast prep: Eat straight from the can or sear steaks in minutes
- Budget-friendly protein source compared with many fish
PREPARATION SUGGESTIONS
TUNA SALAD WITH MAYO
Mix canned tuna with mayo-avocado, celery, and dijon-mustard; serve on romaine-lettuce leaves or as a bowl.
TUNA LETTUCE WRAPS
Combine tuna with cream-cheese; wrap in romaine-lettuce with avocado and cucumber.
PAN-SEARED TUNA STEAK
Season fresh tuna; sear 2–3 minutes per side in olive-oil for rare–medium.
ASIAN SESAME TUNA
Stir canned tuna with sesame-oil, tamari, ginger, and serve over cucumber or shirataki-noodles.
TUNA STUFFED AVOCADO
Mix tuna with mayo and herbs; spoon into avocado halves and chill.
CREAMY TUNA CASSEROLE
Combine canned tuna with heavy-cream, cream-cheese, and zucchini-noodles; bake until bubbly.