While beans are both a protein and carbohydrate food, they’re super healthy and the best “carb” we can include in our diet!! Beans are packed with protein which builds and supports muscle in our bodies, and also nutrient dense and not refined like potatoes, bread, and pasta often are. Eat plenty of beans!
Beans are both a source of protein and carbohydrates—they don’t neatly fit into just one category like meat (mostly protein) or bread (mostly carbs). They’re a fantastic hybrid food, often called a “superfood” for good reason.
Here’s a typical nutritional breakdown for cooked beans (using common examples like black, pinto, kidney, or navy beans, based on USDA-style data for a standard ~½ cup / ~90–120g cooked serving without added salt):
Calories: ~110–130
Protein: ~7–8 grams (solid plant-based protein!)
Total Carbohydrates: ~20–24 grams (the majority of the calories come from here)
Of those carbs: ~6–9 grams are dietary fiber (huge bonus—often 25%+ of your daily fiber needs in one small serving)
Fat: Very low (~0.5–1 gram)
In other words:
By weight/grams, carbs usually win out over protein (roughly 2–3× more carbs than protein per serving).
By calories, about 60–75% come from carbs (mostly complex starches + fiber), and ~20–30% from protein.
That’s why nutrition guidelines (like USDA MyPlate) count beans in both the vegetable group and the protein foods group—they’re versatile! In vegetarian/vegan diets, they’re frequently used as a primary protein source, even though animal proteins (like chicken or eggs) deliver more protein per calorie with fewer carbs.
Quick comparison for context:
A ½ cup of cooked black beans ≈ 8g protein + 20g carbs (with 7–8g fiber)
A 3-oz chicken breast ≈ 25g protein + almost 0g carbs
A slice of bread ≈ 3–4g protein + 15–20g carbs
So beans are more carbohydrate-dominant in raw numbers, but their combo of complex carbs (low glycemic impact thanks to fiber and resistant starch), high-quality plant protein, and tons of micronutrients (iron, folate, potassium, magnesium) makes them way more balanced and nutrient-dense than a plain carb source like rice or pasta.
What do you think—do you eat beans more as a protein stand-in (like in chili or burritos), or just as part of a veggie side? Or are you team “beans are basically carbs and we should stop pretending otherwise”? 😄 I’d love to hear your take!