Dead heat · 8 categories decided · 1 tie
Both foods compared at 100 kcal.
The verdict
It's a dead heat — each wins 4 of 8 match-ups.
Pick Bluefin tuna, cooked for more protein, less sodium, more potassium and more magnesium.
Pick Mussels, cooked for less saturated fat, more calcium, more iron and more vitamin C.
Evenly matched on fiber.
Head-to-head
- Energy100 kcal100 kcal
- Proteinmore is betterWIN16.26 g13.84 g
- Carbohydrate0 g4.3 g
- Fibermore is better0 g0 g
- Total sugarsless is better——
- Total fat3.41 g2.6 g
- Saturated fatless is better0.88 g0.49 gWIN
- Sodiumless is betterWIN27.17 mg214.53 mg
- Potassiummore is betterWIN175.54 mg155.81 mg
- Calciummore is better5.43 mg19.19 mgWIN
- Ironmore is better0.71 mg3.91 mgWIN
- Magnesiummore is betterWIN34.78 mg21.51 mg
- Vitamin Cmore is better0 mg7.91 mgWIN
- Vitamin Dmore is better——
Winners are decided by deterministic per-metric rules on the stated basis; ties and missing data don’t score (missing ≠ zero). Educational information only — not medical advice.

