USDA-derived comparison

Scallops vs Tuna Steak

Scallops leads for Phosphorus and Zinc; Tuna Steak answers with Selenium, Vitamin B3 and Vitamin B6.

Who each is for: Choose scallops for phosphorus and zinc. Choose tuna Steak for selenium and vitamin B3.

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

Scallops

Typical serving: 5 scallops (90g)

16/100

More phosphorusMore zinc
Full Scallops page

Tuna Steak

Typical serving: 1 steak (130g)

29/100

More seleniumMore vitamin B3More vitamin B6More protein
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.

NutrientScallopsTuna Steak
Calories111 kcal130 kcal
Protein21 g29 g
Carbs5 g0 g
Fat1 g1 g
Fiber0 g0 g
Sat fat0 g0 g
Sodium667 mg54 mg
Potassium314 mg527 mg
Calcium10 mg4 mg
Iron0.6 mg0.9 mg
Magnesium37 mg42 mg
Zinc1.6 mg0.5 mg
Vitamin C0 mg0 mg
Vitamin D0 µg2 µg
Vitamin B122.2 µg2.4 µg
Folate20 µg2 µg

Servings differ: 5 scallops of scallops is about 90g, 1 steak of tuna steak about 130g. Scale accordingly before deciding anything on the 100g basis alone.

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