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Green Bean

Vegetable

Green Bean

A low-calorie, high-fiber vegetable that supports blood sugar control and weight management.

Green beans are the unripe, young fruit of various cultivars of the common bean. They are harvested before the seeds inside have fully matured, making the entire pod edible. Known for their crisp texture and mild flavor, they are a staple side dish and a versatile ingredient in many cuisines.

high-volume low-calorie vegetable

Typical serving · 100g

Common varieties · string beans, haricots verts, snap beans, wax beans

85health

Overall context score across nutrition, safety, and diet fit

At a glance

Quick facts

Simple indicators based on nutrition, processing, and diet fit.

Low calorieLow carbLow glycemicWeight lossDiabetes-friendlyGut health

The story

What makes it unique

Green beans are low-energy-density foods composed mostly of water and complex carbohydrates. Their fiber content slows digestion, which moderates the glycemic response and promotes satiety. As a minimally processed whole food, they retain their natural micronutrient profile, particularly vitamins K and C.

Varieties: string beans · haricots verts · snap beans · wax beans

#greenbeans#lowcalorie#lowcarbvegetable#highfiber#diabetesfriendly#weightloss#nonstarchyvegetable#vitamink#ketovegetables#lectinfreecooked

Per 100g

Nutrition breakdown

Macro balance and key metrics at a glance.

Energy

31kcal

Density 0.31 kcal/g

Protein

1.8g

Carbs

7g

Fat

0.1g

Fiber

2.7g

Sugar

3.3 g

Sodium

6 mg

Potassium

209 mg

Glycemic index

15

Glycemic load

1

Water content

90%

Standout compounds

Nutrient highlights

  • Vitamin K

    high

    Supports bone health and normal blood clotting

  • Vitamin C

    moderate

    Boosts immune function and acts as an antioxidant

  • Fiber

    moderate

    Promotes digestive regularity and satiety

  • Folate

    moderate

    Essential for cell division and DNA synthesis

Wellness map

Health scores & processing

Weight loss
90
Satiety
72
Blood sugar
92
Gut health
75
Heart health
80
Fitness
55
Processing
95

NOVA processing scale

1
Min
2
3
4
Ultra

minimally processed · Whole food

Fresh or frozen green beans are whole, unprocessed foods. Canned versions may contain added sodium but remain mechanically processed rather than ultra-processed.

Diet compatibility

  • Weight loss
  • Muscle gain
  • Diabetes
  • Gut health
  • Low carb
  • High protein
  • Heart health

Relative standing

Food rankings

Qualitative ranks compared to similar whole foods.

  • Satietygood
  • Blood sugarexcellent
  • Nutrient densitygood
  • Fitness fuelmoderate
  • Processing qualityexcellent

Eat with confidence

Food safety profile

Generally safe, but conventional varieties often test positive for pesticide residues. Raw green beans contain lectins that can cause digestive distress, which are neutralized by cooking.

85safety

Evidence confidence 90%

  • Pesticidesmoderate
  • Antibioticslow
  • Heavy metalslow
  • Contaminationlow

Watch for

  • pesticide residues
  • phytohaemagglutinin

Safer choices

Organic green beans

Prep tips

Rinse thoroughly under running water and trim ends. Always cook before eating to destroy harmful lectins.

Conventional green beans frequently appear on agricultural watch lists for pesticide residues, though washing reduces surface exposure.

Deep dive

Health analysis

How this food may fit different goals and preparation choices.

  1. Weight loss

    Low energy density allows large portions for minimal calories, promoting fullness without exceeding daily limits.

  2. Blood sugar

    Very low glycemic load prevents blood sugar spikes, making them a safe carbohydrate source for diabetics.

  3. Fitness & energy

    Provides some complex carbs for sustained energy but lacks the protein needed for significant muscle recovery.

  4. Gut health

    Dietary fiber supports healthy bowel movements and feeds beneficial gut bacteria, though excessive raw consumption can cause bloating.

  5. Processing quality

    A whole food that retains all natural fiber and micronutrients when simply prepared.

  6. Food safety

    Pesticide residues are the primary agricultural concern; washing thoroughly or choosing organic mitigates this risk.

  7. Common mistakes

    Boiling them into mush destroys vitamin C and texture; overcooking significantly reduces their nutritional value.

  8. Best preparation

    Steaming, sautéing, or roasting preserves nutrients and crunch while ensuring lectins are destroyed.

Practical guide

Best use cases

When and how this food fits real eating patterns.

  • Low-calorie volume eating

    Fill up your plate with minimal calories to support a calorie deficit while staying satisfied.

  • Diabetes-friendly side dish

    A non-starchy vegetable that pairs well with lean proteins without spiking blood sugar.

  • Quick weeknight stir-fry

    Cooks quickly and adds crunch, color, and fiber to Asian-inspired dishes.

Balance sheet

Pros & cons

Upsides

  • Very low in calories and energy density
  • Excellent source of vitamin K
  • Low glycemic impact suitable for diabetics
  • Versatile and easy to prepare
  • Good source of dietary fiber

Trade-offs

  • Contains lectins that must be cooked out
  • Conventional crops often carry pesticide residues
  • Low in protein and healthy fats
  • Canned versions can be very high in sodium

Fit check

Who is it for?

Great match

  • weight loss diets
  • blood sugar management
  • low-carb and keto diets
  • increasing daily vegetable intake

Consider alternatives

  • strict muscle-building diets without added protein
  • those with severe legume allergies
  • people avoiding fiber due to acute GI issues

Side by side

How it compares

Open the full head-to-head analysis for nutrition, safety, and practical tradeoffs.

  • Green Bean

    This food

    Green Bean

    VS85% alike
    Broccoli

    Compare with

    Broccoli

    Broccoli provides more vitamin C and protein per calorie, while green beans are slightly lower in overall calories and carbohydrates.

    Broccoli offers more protein and vitamin C, but green beans are slightly lower in calories and carbs for strict dieting.

    Green Bean vs Broccoli
  • Green Bean

    This food

    Green Bean

    VS80% alike
    Asparagus

    Compare with

    Asparagus

    Asparagus is richer in folate and acts as a natural diuretic, while green beans are lower in calories and more budget-friendly.

    Asparagus provides more folate and prebiotic fiber, while green beans are lower in calories and easier on the wallet.

    Green Bean vs Asparagus
  • Green Bean

    This food

    Green Bean

    VS75% alike
    Peas

    Compare with

    Peas

    Peas are much higher in protein and carbohydrates, making them more caloric, while green beans are a true low-carb vegetable.

    Green beans are much lower in carbs and calories than peas, making them better for keto, while peas offer more protein.

    Green Bean vs Peas
  • Green Bean

    This food

    Green Bean

    VS70% alike
    Spinach

    Compare with

    Spinach

    Spinach is significantly richer in iron, magnesium, and vitamins, but green beans offer more crunch and chewable volume for satiety.

    Spinach is a micronutrient powerhouse with more iron, but green beans provide more chewing volume and texture.

    Green Bean vs Spinach
  • Green Bean

    This food

    Green Bean

    VS65% alike
    Carrots

    Compare with

    Carrots

    Carrots are higher in sugar and vitamin A, whereas green beans are lower in carbohydrates and better for strict blood sugar control.

    Carrots are sweeter and richer in vitamin A, but green beans have fewer carbs and a lower glycemic impact.

    Green Bean vs Carrots
  • Green Bean

    This food

    Green Bean

    VS75% alike
    Zucchini

    Compare with

    Zucchini

    Zucchini is lower in net carbs and excellent for noodle substitutes, while green beans offer slightly more protein and fiber per serving.

    Zucchini is lower in carbs and perfect for noodles, while green beans provide slightly more fiber and protein.

    Green Bean vs Zucchini
  • Green Bean

    This food

    Green Bean

    VS60% alike
    Edamame

    Compare with

    Edamame

    Edamame is a high-protein, higher-calorie food rich in healthy fats, whereas green beans are a low-calorie, low-protein vegetable.

    Edamame is a protein-rich snack ideal for fitness, while green beans are a low-calorie side better for weight loss.

    Green Bean vs Edamame
  • Green Bean

    This food

    Green Bean

    VS60% alike
    Bell Peppers

    Compare with

    Bell Peppers

    Bell peppers are much higher in vitamin C and natural sugars, while green beans are lower in carbs and higher in vitamin K.

    Bell peppers offer a massive vitamin C boost and sweeter flavor, but green beans are lower in sugar and carbs.

    Green Bean vs Bell Peppers
  • Green Bean

    This food

    Green Bean

    VS70% alike
    Cauliflower

    Compare with

    Cauliflower

    Cauliflower is lower in net carbs and highly versatile as a rice substitute, while green beans provide more protein and iron.

    Cauliflower is lower in carbs and more versatile for substitutes, while green beans offer slightly more protein and iron.

    Green Bean vs Cauliflower
  • Green Bean

    This food

    Green Bean

    VS50% alike
    Corn

    Compare with

    Corn

    Corn is a starchy, high-carb vegetable providing quick energy, while green beans are non-starchy and far better for blood sugar control.

    Corn provides starchy energy for workouts, but green beans are far lower in carbs and better for weight loss and blood sugar.

    Green Bean vs Corn

Common questions

FAQ

Answers aligned with how people search for this food.

  • Are green beans good for weight loss?

    Yes, they are very low in calories and provide a good amount of fiber, which helps you feel full longer without consuming excess energy.

  • Can diabetics eat green beans?

    Yes, they have a very low glycemic index and load, meaning they will not cause blood sugar spikes and are safe for diabetic diets.

  • Are green beans keto-friendly?

    Yes, green beans are relatively low in net carbs and can easily fit into a well-formulated ketogenic diet.

  • Can you eat green beans raw?

    It is best to avoid eating them raw. Raw green beans contain lectins that can cause digestive upset; cooking neutralizes these compounds completely.

  • Are green beans a starch?

    No, they are considered a non-starchy vegetable, unlike potatoes or corn, making them much lower in carbohydrates.

  • Do green beans cause gas?

    They contain fiber and certain carbohydrates that can cause mild bloating or gas in some people if eaten in large quantities, especially if undercooked.

  • Are canned green beans healthy?

    Canned green beans retain most nutrients but are often very high in sodium. Look for no-salt-added varieties or rinse them before eating.

  • What is the healthiest way to cook green beans?

    Steaming or sautéing is the healthiest method, as it preserves the most vitamins while maintaining their crisp texture.

Transparency

Data confidence

Estimated confidence for nutrition data, interpretation, safety notes, and comparisons.

95

Nutrition data

90

Health analysis

85

Food safety

90

Comparisons