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Asparagus

Vegetable

Asparagus

Asparagus is a nutrient-dense, low-calorie green vegetable packed with fiber, folate, and prebiotics.

Asparagus is a spring vegetable known for its tender, spear-shaped stalks and distinct, savory flavor. It is widely consumed grilled, roasted, or steamed as a side dish or salad ingredient.

high-volume low-calorie prebiotic vegetable

Typical serving · 134g

Common varieties · green asparagus, white asparagus, purple asparagus, wild asparagus

92health

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 carbHigh fiberLow glycemicWeight lossDiabetes-friendlyGut health

The story

What makes it unique

Asparagus is a low-energy-density food with a high water and fiber content, resulting in slow digestion and prolonged satiety. Its macronutrient profile is dominated by complex carbohydrates and fiber, with minimal fat. As a minimally processed whole food, it retains its full matrix of vitamins, minerals, and phytonutrients.

Varieties: green asparagus · white asparagus · purple asparagus · wild asparagus

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Per 100g

Nutrition breakdown

Macro balance and key metrics at a glance.

Energy

20kcal

Density 0.20 kcal/g

Protein

2.2g

Carbs

3.9g

Fat

0.1g

Fiber

2.1g

Sugar

1.9 g

Sodium

2 mg

Potassium

202 mg

Glycemic index

15

Glycemic load

1

Water content

93%

Standout compounds

Nutrient highlights

  • Folate

    high

    Essential for DNA synthesis and cell division, particularly important during early pregnancy.

  • Vitamin K

    high

    Critical for blood clotting and bone metabolism.

  • Inulin

    moderate

    A prebiotic fiber that promotes the growth of healthy gut bacteria.

  • Vitamin A

    moderate

    Supports immune function, vision, and skin health.

Wellness map

Health scores & processing

Weight loss
95
Satiety
85
Blood sugar
95
Gut health
90
Heart health
88
Fitness
75
Processing
100

NOVA processing scale

1
Min
2
3
4
Ultra

unprocessed · Whole food

Fresh asparagus is a whole, unprocessed plant food harvested directly from the ground with no alterations.

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.

  • Satietyexcellent
  • Blood sugarexcellent
  • Nutrient densityexcellent
  • Fitness fuelmoderate
  • Processing qualityexcellent

Eat with confidence

Food safety profile

Asparagus is generally very safe with low pesticide and contamination risks. Proper washing removes any residual soil or natural bacterial biofilm.

92safety

Evidence confidence 95%

  • Pesticideslow
  • Antibioticslow
  • Heavy metalslow
  • Contaminationlow

Watch for

  • soil residue
  • bacterial biofilm

Safer choices

Organic asparagus reduces already low pesticide exposure, but conventional is also very safe.

Prep tips

Rinse thoroughly under cold water and snap off the woody, fibrous ends before cooking.

Minimal. Asparagus frequently appears on the EWG Clean Fifteen list due to low pesticide residue detection.

Deep dive

Health analysis

How this food may fit different goals and preparation choices.

  1. Weight loss

    Extremely low energy density and high water content allow large portion sizes with minimal calories, promoting fullness.

  2. Blood sugar

    Very low glycemic index and load. Fiber slows glucose absorption, preventing blood sugar spikes.

  3. Fitness & energy

    Provides useful micronutrients for recovery but lacks the dense carbohydrates or protein needed as a primary workout fuel.

  4. Gut health

    Rich in inulin, a prebiotic fiber that selectively feeds beneficial Bifidobacteria and Lactobacilli in the colon.

  5. Processing quality

    Whole, unprocessed food with an intact nutritional matrix and no added chemicals.

  6. Food safety

    Very low risk for pesticides and pathogens. Ranks consistently as one of the cleanest conventional vegetables.

  7. Common mistakes

    Overcooking until mushy, which degrades vitamins and texture. Failing to remove the tough woody ends.

  8. Best preparation

    Roasting, grilling, or light steaming preserve nutrients and enhance natural flavors while maintaining a crisp texture.

Practical guide

Best use cases

When and how this food fits real eating patterns.

  • Low-calorie volume eating

    Add bulk to meals with minimal calories to increase satiety during weight loss phases.

  • Prebiotic fiber boost

    Feed beneficial gut bacteria by incorporating inulin-rich asparagus into your diet.

  • Pregnancy nutrition

    Supply high amounts of folate, which is crucial for fetal neural tube development during early pregnancy.

  • Low-carb side dish

    Replace starchy sides like potatoes or rice with roasted asparagus for a satisfying, low-glycemic alternative.

Balance sheet

Pros & cons

Upsides

  • Very low in calories and carbohydrates
  • High in satiety-promoting fiber and water
  • Rich source of folate and vitamin K
  • Contains prebiotic inulin for gut health
  • Quick and easy to prepare

Trade-offs

  • Causes sulfur-smelling urine in most people
  • Woody ends require trimming and are inedible
  • Becomes mushy and loses nutrients if overcooked
  • Relatively expensive when out of season

Fit check

Who is it for?

Great match

  • low-carb diets
  • weight loss phases
  • pregnancy nutrition
  • gut microbiome support

Consider alternatives

  • high-calorie bulking diets
  • those sensitive to sulfur odors
  • strict zero-carb diets

Side by side

How it compares

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

  • Asparagus

    This food

    Asparagus

    VS90% alike
    Broccoli

    Compare with

    Broccoli

    Broccoli offers more vitamin C and protein, while asparagus is lower in calories and higher in folate.

    Broccoli provides more protein and vitamin C, while asparagus is lower in calories and richer in folate.

    Asparagus vs Broccoli
  • Asparagus

    This food

    Asparagus

    VS85% alike
    Green Beans

    Compare with

    Green Beans

    Green beans are slightly higher in carbs, while asparagus provides more prebiotic fiber and folate.

    Asparagus is lower in carbs and higher in folate, while green beans are slightly sweeter and crunchier.

    Asparagus vs Green Beans
  • Asparagus

    This food

    Asparagus

    VS80% alike
    Celery

    Compare with

    Celery

    Celery is lower in calories but asparagus is far richer in vitamins like folate and vitamin K.

    Celery is lower in calories, but asparagus provides significantly more nutrients and satiety per serving.

    Asparagus vs Celery
  • Asparagus

    This food

    Asparagus

    VS75% alike
    Spinach

    Compare with

    Spinach

    Spinach is higher in iron and vitamins A and K, while asparagus offers more distinct prebiotic benefits and a crunchier texture.

    Spinach is higher in iron and vitamin A, while asparagus provides more prebiotic fiber and a firmer bite.

    Asparagus vs Spinach
  • Asparagus

    This food

    Asparagus

    VS80% alike
    Zucchini

    Compare with

    Zucchini

    Zucchini is lower in calories but asparagus provides significantly more protein and fiber per serving.

    Zucchini is lower in calories, but asparagus offers more fiber and protein for better satiety.

    Asparagus vs Zucchini
  • Asparagus

    This food

    Asparagus

    VS70% alike
    Brussels Sprouts

    Compare with

    Brussels Sprouts

    Brussels sprouts are higher in calories and vitamin C, while asparagus is lighter and higher in folate.

    Brussels sprouts offer more vitamin C and fiber, while asparagus is lower in calories and higher in folate.

    Asparagus vs Brussels Sprouts
  • Asparagus

    This food

    Asparagus

    VS65% alike
    Artichoke

    Compare with

    Artichoke

    Artichokes are much higher in fiber, but asparagus is easier to prepare and lower in calories.

    Artichokes are higher in fiber and better for gut health, but asparagus is lower in calories and easier to prep.

    Asparagus vs Artichoke
  • Asparagus

    This food

    Asparagus

    VS80% alike
    Cauliflower

    Compare with

    Cauliflower

    Cauliflower is lower in calories and carbs, but asparagus provides more protein and folate.

    Cauliflower is lower in carbs, but asparagus provides more protein and folate for nutritional balance.

    Asparagus vs Cauliflower
  • Asparagus

    This food

    Asparagus

    VS75% alike
    Kale

    Compare with

    Kale

    Kale is a nutrient powerhouse with more vitamin A and C, while asparagus is milder in flavor and higher in folate.

    Kale provides more vitamins A and C, while asparagus is milder in flavor and richer in folate.

    Asparagus vs Kale
  • Asparagus

    This food

    Asparagus

    VS70% alike
    Bell Peppers

    Compare with

    Bell Peppers

    Bell peppers are much higher in vitamin C and sugar, while asparagus is lower in carbs and higher in B vitamins.

    Bell peppers are much higher in vitamin C, but asparagus is lower in sugar and higher in folate.

    Asparagus vs Bell Peppers

Common questions

FAQ

Answers aligned with how people search for this food.

  • Is asparagus good for weight loss?

    Yes, asparagus is excellent for weight loss. It is very low in calories and high in water and fiber, which helps you feel full without consuming excess energy.

  • Why does asparagus make urine smell?

    Asparagus contains asparagusic acid, which the body breaks down into sulfur-containing compounds. These compounds are excreted in urine, causing a distinct odor in most people shortly after eating it.

  • Can diabetics eat asparagus?

    Yes, asparagus is highly diabetic-friendly. It has a very low glycemic index and load, and its fiber content helps regulate blood sugar levels without causing spikes.

  • Is asparagus a prebiotic food?

    Yes, asparagus is a rich source of inulin, a type of prebiotic dietary fiber that feeds beneficial gut bacteria and supports a healthy microbiome.

  • How do you cook asparagus properly?

    Roasting, grilling, or steaming asparagus for 5 to 10 minutes until tender-crisp is ideal. Avoid overcooking, which makes it mushy and degrades its nutrients.

  • Can you eat asparagus raw?

    Yes, asparagus can be eaten raw. Shaving it thinly with a vegetable peeler makes it easier to chew and digest while retaining all its heat-sensitive nutrients.

  • Is asparagus keto friendly?

    Yes, asparagus is keto-friendly. It contains only about 1.8 grams of net carbs per 100 grams, making it easy to fit into a strict low-carb diet.

  • What are the health benefits of asparagus?

    Asparagus provides high levels of folate for cell function, vitamin K for bone health, and inulin for gut health, all while being low in calories and supporting blood sugar control.

Transparency

Data confidence

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

98

Nutrition data

95

Health analysis

95

Food safety

90

Comparisons