Tuna is keto: it has ~0 g of net carbs per 1 can, drained (in water), within the keto diet's 5 g-per-serving limit.
Net carbs
0 g
per 1 can, drained (in water)
These are the carbs that count on keto: total carbs minus fiber.
Provides 0 g of net carbs per serving, ideal for keto thanks to its high protein content.
Nutrition facts for tuna
1.2 g
Fat
26 g
Protein
0 g
Fiber
Why tuna is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; tuna has 0 g per 1 can, drained (in water) (0 g total − 0 g of fiber).
Related
✓Yes
Salmon
0 g net
/ 1 fillet (150 g)
✓Yes
Hake
0 g net
/ 1 medium fillet
✓Yes
Trout
0 g net
/ 1 fillet (150 g)
✓Yes
Cod
0 g net
/ 1 fillet (150 g)
✓Yes
Sardine
0 g net
/ 1 can (drained, about 90 g)
✓Yes
Shrimp
0 g net
/ 1 serving (12 medium)
See all: Mariscos keto
Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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