Home / Seafood / Tuna (Canned in Water)
STuna (Canned in Water)
Canned in water, drained · Fish & Seafood
Graded S — 69 out of 100, #2 of 28 seafood. Protein carries the score (87/100); omega-3 drags it down (19/100).
The short version: A protein-per-calorie monster. The mercury is the asterisk.
The catch: Limit albacore to about one serving a week; chunk light is lower in mercury.
Nutrition facts
Nutrition Facts
Why it scored 69
Each factor is scored 0–100, then combined with the weights shown. Read the full methodology.
Where it ranks
#2 of 28 in Seafood. Why per-100-calorie scoring changes everything →
More fish & seafood
Head to head
Questions people ask
Is Tuna (Canned in Water) healthy?
It grades S — 69 out of 100, #2 of 28 seafood in our system. A protein-per-calorie monster. The mercury is the asterisk.
How many calories are in Tuna (Canned in Water)?
108 calories per 100g. For context, that is scored per 100 calories here, which is why energy-dense foods can grade lower than you’d expect.
How is the nutrition score for Tuna (Canned in Water) calculated?
Each factor (protein, fiber, micronutrients, and others depending on the category) is scored 0–100 against a fixed benchmark, then combined with published weights. See the score breakdown above or read the full methodology.



