USDA-derived comparison

Dark Chocolate vs Popcorn (Air-Popped)

Dark Chocolate leads for Iron, Magnesium and Potassium; Popcorn (Air-Popped) answers with Fiber and Folate.

Who each is for: Choose dark Chocolate for iron and magnesium. Choose popcorn (Air-Popped) for fiber and folate.

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

Dark Chocolate

Typical serving: 2 squares (20g)

21/100

More ironMore magnesiumMore potassiumMore vitamin B12
Full Dark Chocolate page

Popcorn (Air-Popped)

Typical serving: 3 cups (24g)

17/100

More fiberMore folate
Full Popcorn (Air-Popped) 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.

NutrientDark ChocolatePopcorn (Air-Popped)
Calories598 kcal387 kcal
Protein8 g13 g
Carbs46 g78 g
Fat43 g5 g
Fiber11 g15 g
Sat fat25 g1 g
Sodium20 mg8 mg
Potassium715 mg329 mg
Calcium73 mg7 mg
Iron11.9 mg3.2 mg
Magnesium228 mg144 mg
Zinc3.3 mg3.1 mg
Vitamin C0 mg0 mg
Vitamin D0 µg0 µg
Vitamin B120.3 µg0 µg
Folate0 µg31 µg

Servings differ: 2 squares of dark chocolate is about 20g, 3 cups of popcorn (air-popped) about 24g. Scale accordingly before deciding anything on the 100g basis alone.

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