Evidence-based nutrition, in plain English — every entry sourced from clinical research.

Asparagus and green beans are both spear-or-pod green vegetables that show up in the same side-dish rotation.

Asparagus vs Green Beans — nutrition per 100 g
NutrientAsparagusGreen Beans
Calories28.1 kcal40 kcal
Protein1.44 g1.97 g ✓
Total Carbohydrate5.1 g7.41 g
Dietary Fiber1.88 g3.01 g ✓
Total Sugars1.88 g ✓3.26 g
Total Fat0.22 g0.28 g
Saturated Fat0.04 g ✓0.05 g
Sodium2.46 mg0 mg ✓

Notable compounds in each

When to choose each

Green beans edge ahead on protein, fibre and sodium, while asparagus is the lower-calorie option of the two. Both are classic green vegetables that show up in the same side-dish rotation, steamed, roasted, or stir-fried. Asparagus brings its own well-known folate content and a long-standing reputation as a natural diuretic; green beans are the more filling, slightly more substantial choice for the same reason they carry more fibre and protein.

Common questions

Are green beans a legume like other beans? Botanically, yes — green beans are the young, unripe pod of a bean plant, eaten pod and all, unlike mature dry beans (kidney, black, pinto) which are eaten as just the seed. That’s part of why green beans sit nutritionally between a true vegetable and a legume.

Is asparagus a good source of folate? Yes — asparagus is one of the better vegetable sources of folate, a B vitamin particularly important during pregnancy, alongside its long-standing reputation as a mild natural diuretic.

Nutrition values are USDA FoodData Central approximations — see our editorial approach for how we source and verify data.