Canned tuna (in oil)
Rated by 11 diets
How the diets react
Diet Ratings
Canned tuna in oil is nearly zero net carbs (0-1g per can), high in protein (20-25g), and the oil adds healthy fats. Minimal processing, no added sugars in quality brands. Ideal keto staple food.
Fish is animal flesh and explicitly excluded from vegan diet. No plant-based component changes this fundamental incompatibility.
Tuna is unprocessed fish, a paleo staple. Canning preserves it without adding grains, legumes, or dairy. Oil preservation is acceptable if it's olive oil or similar; seed oils lower the score slightly.
Fish is a Mediterranean diet staple recommended 2-3 times weekly. Canned tuna provides convenient access to omega-3 rich seafood. Oil preservation (often olive oil) aligns with diet principles. Minimal processing.
Tuna is a fatty fish (excellent carnivore protein source) and canned in oil (animal-compatible fat). Minimally processed, no plant-based additives. Verify oil is not seed oil; if in olive oil or similar plant oil, lower to score 6.
Canned tuna in oil is a whole, unprocessed protein source. Fish and natural fats are fully compliant. No excluded ingredients present.
Tuna and oil are low-FODMAP. Canning process does not introduce FODMAPs. Safe at any reasonable serving size.
Excellent lean protein and omega-3 source, but canned in oil adds unnecessary fat and sodium (200-400mg per can). Drain oil and rinse to reduce sodium. Oil-packed version less ideal than water-packed.
Excellent lean protein (~25g per can), omega-3 fatty acids (anti-inflammatory), and the oil provides monounsaturated/polyunsaturated fats. Minimal carbs. Ideal Zone protein block. Drain excess oil if concerned about fat portion.
Excellent source of omega-3 fatty acids (EPA and DHA) and high-quality protein. Oil preservation maintains fatty acid content. Canning process preserves nutrients. Minimal processing. Concerns about mercury are manageable with moderate consumption (2-3 servings weekly).
Excellent protein source (20g+ per can), but oil-packed versions contain 8-12g fat per serving. Draining oil reduces fat significantly. Canned tuna in water is preferable. Mercury content is a minor consideration with moderate consumption.
Some RDs accept oil-packed tuna as-is given the high protein density and omega-3 content, while others recommend draining or switching to water-packed versions to reduce saturated fat. The fat content is the primary point of disagreement.
Controversy Index
Score range: 1–9/10. Higher controversy = more disagreement between diets.