USDA-derived comparison

Mushrooms (White) vs Nori (Seaweed)

Mushrooms (White) leads for Vitamin B3 and Selenium; Nori (Seaweed) answers with Vitamin C, Folate and Vitamin A.

Who each is for: Choose mushrooms (White) for vitamin B3 and selenium. Choose nori (Seaweed) for vitamin C and folate.

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

Mushrooms (White)

Typical serving: 1 cup, sliced (70g)

7/100

More vitamin B3More selenium
Full Mushrooms (White) page

Nori (Seaweed)

Typical serving: a 10g portion (10g)

19/100

More vitamin CMore folateMore vitamin AMore vitamin E
Full Nori (Seaweed) 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.

NutrientMushrooms (White)Nori (Seaweed)
Calories22 kcal35 kcal
Protein3 g6 g
Carbs3 g5 g
Fat0 g0 g
Fiber1 g0 g
Sat fat0 g0 g
Sodium5 mg48 mg
Potassium318 mg356 mg
Calcium3 mg70 mg
Iron0.5 mg1.8 mg
Magnesium9 mg2 mg
Zinc0.5 mg1.1 mg
Vitamin C2 mg39 mg
Vitamin D0.2 µg0 µg
Vitamin B120 µg0 µg
Folate17 µg146 µg

Servings differ: 1 cup, sliced of mushrooms (white) is about 70g, a 10g portion of nori (seaweed) about 10g. Scale accordingly before deciding anything on the 100g basis alone.

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