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
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 (100g)0g
- Protein (100g)29.9g
- Fat (100g)0.5g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Net Carbs
0g
Total Carbs
0g
Fiber
0g
Protein
29.9g
Fat
0.5g
Calories
122
Source: USDA FoodData Central
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
HEALTH BENEFITS
- Complete protein with all essential amino acids
- Provides selenium for antioxidant enzyme support
- Rich in B vitamins (especially niacin, B12) for energy metabolism
- Iodine supports thyroid function
- Contains omega-3s (higher in canned light and some fresh species)
- Low calorie density relative to protein for cutting phases
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.