USDA-derived comparison

Black Coffee vs Espresso

Espresso leads for Vitamin B3 and Magnesium per 100g, while Black Coffee holds its own elsewhere.

Who each is for: Choose espresso for vitamin B3 and magnesium.

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

Black Coffee

Typical serving: 1 cup (240g)

1/100

No clear per-100g leads, which is a result in itself.

Full Black Coffee page

Espresso

Typical serving: 1 shot (30g)

4/100

More vitamin B3More magnesium
Full Espresso 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.

NutrientBlack CoffeeEspresso
Calories1 kcal9 kcal
Protein0 g0 g
Carbs0 g2 g
Fat0 g0 g
Fiber0 g0 g
Sat fat0 g0 g
Sodium2 mg14 mg
Potassium49 mg115 mg
Calcium2 mg2 mg
Iron0 mg0.1 mg
Magnesium3 mg80 mg
Zinc0 mg0.1 mg
Vitamin C0 mg0 mg
Vitamin D0 µg0 µg
Vitamin B120 µg0 µg
Folate2 µg1 µg

Servings differ: 1 cup of black coffee is about 240g, 1 shot of espresso about 30g. Scale accordingly before deciding anything on the 100g basis alone.

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