USDA-derived comparison

Red Lentils vs Soybeans

Red Lentils leads for Folate, Iron and Vitamin B1; Soybeans answers with Vitamin K and Vitamin B2.

Who each is for: Choose red Lentils for folate and iron. Choose soybeans for vitamin K and vitamin B2.

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

Red Lentils

Typical serving: a 60g dry portion (60g)

25/100

More folateMore ironMore vitamin B1More protein
Full Red Lentils page

Soybeans

Typical serving: half a cup (90g)

18/100

More vitamin KMore vitamin B2
Full Soybeans 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.

NutrientRed LentilsSoybeans
Calories358 kcal172 kcal
Protein24 g18 g
Carbs63 g8 g
Fat2 g9 g
Fiber11 g6 g
Sat fat0 g1 g
Sodium7 mg1 mg
Potassium668 mg515 mg
Calcium48 mg102 mg
Iron7.4 mg5.1 mg
Magnesium59 mg86 mg
Zinc3.6 mg1.2 mg
Vitamin C2 mg2 mg
Vitamin D0 µg0 µg
Vitamin B120 µg0 µg
Folate204 µg54 µg

Servings differ: a 60g dry portion of red lentils is about 60g, half a cup of soybeans about 90g. Scale accordingly before deciding anything on the 100g basis alone.

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