USDA-derived comparison

Squid (Calamari) vs Tuna Steak

Squid (Calamari) leads for Vitamin B2, Vitamin E and Zinc; Tuna Steak answers with Selenium, Vitamin B3 and Vitamin B12.

Who each is for: Choose squid (Calamari) for vitamin B2 and vitamin E. Choose tuna Steak for selenium and vitamin B3.

Reviewed 20 July 2026. Generic food data per 100g; brands and preparation vary.

Squid (Calamari)

Typical serving: 1 serving (85g)

18/100

More vitamin B2More vitamin EMore zincMore vitamin C
Full Squid (Calamari) page

Tuna Steak

Typical serving: 1 steak (130g)

29/100

More seleniumMore vitamin B3More vitamin B12More vitamin B6
Full Tuna Steak page

Side by side, per 100g

The stronger number is highlighted, honestly: higher wins for aim-for nutrients, lower wins for stay-under ones like saturated fat and sodium.

NutrientSquid (Calamari)Tuna Steak
Calories92 kcal130 kcal
Protein16 g29 g
Carbs3 g0 g
Fat1 g1 g
Fiber0 g0 g
Sat fat0 g0 g
Sodium44 mg54 mg
Potassium246 mg527 mg
Calcium32 mg4 mg
Iron0.7 mg0.9 mg
Magnesium33 mg42 mg
Zinc1.5 mg0.5 mg
Vitamin C5 mg0 mg
Vitamin D0 µg2 µg
Vitamin B121.3 µg2.4 µg
Folate5 µg2 µg

Servings differ: 1 serving of squid (calamari) is about 85g, 1 steak of tuna steak about 130g. Scale accordingly before deciding anything on the 100g basis alone.

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