A closer look at a familiar choice

Lentils vs. Black beans

Per 100 g, boiled lentils (without salt) has 116 calories and 9 g protein; boiled beans, black, mature seeds, without salt has 132 calories and 8.9 g protein. Change the basis to see the tradeoffs.

Choose a fair basis
ALentils100 g · USDA SR Legacy
vs.
BBlack beans100 g · USDA SR Legacy
NutrientLentilsBlack beans
Calorieskcal116132
Proteing98.9
Carbohydrateg20.123.7
Fatg0.40.5
Fiberg7.98.7
Total sugarsg1.80.3
Sodiummg21
Saturated fatg0.10.1

Values change with the amount you choose. A dash means the nutrient was not reported.

The difference at 200 calories.

Food amount

For 200 calories, the comparison uses 172.4 g of lentils and 151.5 g of black beans.

Protein

Lentils provides more reported protein at equal calories: 15.6 g for lentils, compared with 13.4 g for black beans.

Fiber

The fiber amounts are 13.6 g for lentils and 13.2 g for black beans at 200 calories.

Sodium

At equal calories, the reported sodium amounts are 3 mg and 2 mg respectively. Added salt or a different brand can change this comparison.

Other choices to explore.

FoodBasisCaloriesProteinFiberSodium
Soy protein isolate, potassium typeUSDA SR Legacy100 g32188.3 g0 g50 mg
Soy protein isolateUSDA SR Legacy100 g33588.3 g0 g1,005 mg
Soy protein concentrate, produced by alcohol extractionUSDA SR Legacy100 g32863.6 g5.5 g3 mg